Science Castle

Science Castle Philippines 2026
2026.01.17 [SAT] - 18 [SUN]

Science Castle Philippines 2026

Mapúa University - Intramuros Campus Gymnasium

Welcome to Science Castle Philippines 2026!

Science Castle is a pioneering platform that empowers high school students to present their research and innovative ideas. 2012, it has since expanded across Asia-including Singapore, Malaysia, and the Philippines.

At its core, Science Castle focuses on science and technology, nurturing young minds to address real-world challenges through research and problem- At its core, Science Castle focuses on science and technology, nurturing young minds to address real-world challenges through research and problem- solving.

In 2025, Leave a Nest introduced the Science Castle Series, a regional initiative that connects student researchers across Asia. Leave a Nest's commitment to fostering a strong community of young researchers who can collaborate, grow, and lead in solving both local and global issues. .

In 2026, Science Castle will return to the Philippines as a vibrant, multidisciplinary research conference for high school students. 's program will highlight Research Presentations, Knowledge Sharing, Collaboration, and Partner Sessions-bringing together students, educators, industry professionals, as well as government and academic leaders. This year 's program will highlight Research Presentations, Knowledge Sharing, Collaboration, and Partner Sessions-bringing together students, educators, industry professionals, as well as government and academic leaders.

The program will also feature a Teacher Session, dedicated to educational best practices and collaborative discussions. The conference will culminate with a Recognition of Research, celebrating outstanding student achievements.

Science Castle Philippines 2026 continues to bridge the gap between science and society, empowering the next generation of researchers to shape a better future.

Event Name
Science Castle Philippines 2026
Date and Time
Saturday, January 17 - Sunday, January 18, 2026
Abstract Submission
APPLICATION CLOSED.

Results will be announced by November 17, 2025.
Kindly check your email, or visit the Leave a Nest Group or Science Castle Facebook page.
Venue
Mapúa University - Intramuros Campus Gymnasium
658 Muralla St., Intramuros, Manila 1002, Philippines ACCESS
Organizer
Leave a Nest Philippines
Participation Fee
Free-of-Charge
Target Participants
Applicants should be students enrolled in high school or equivalent secondary education programs; Accompanied by academic personnel (teachers, mentors, or school staff)

timetable

TIMELINE

Update from the organizing team: The following will serve as the final schedule for Science Castle Philippines 2026, from January 17 (Saturday) to The following will serve as the final schedule for Science Castle Philippines 2026, from January 17 (Saturday) to January 18 (Sunday).

Day 1 | January 17 (Saturday) 7:30 - 3:00 PM

Note: There will be no poster setup on Day 1, as the venue will be cleaned by the co-organizer team prior to the next event following Science Castle. Therefore, all teams are encouraged to print an A4 version of their poster for use during Day 1 of the program and to bring their A1 poster on the following day - Science Castle Day 2 for setup and posting.

 

Day 2 | January 18 (Sunday) 8:15 AM - 6:00 PM

NOTE: This is a two-day program, and attendance on both days is required to ensure a complete and meaningful experience. The activities are designed to build upon one another, and full participation across both days is essential for achieving the intended outcomes of the program.

VENUE

Please note that participants' movement is strictly limited to their assigned areas. For security and safety reasons, leaving the campus during the program proper is not permitted. The organizer, together with the co-organizer, requires everyone to wear their school ID at all times and to have their Leave a Nest QR ID ready upon entering the campus.

 

Mapúa University

Venue Map

Gymnasium

Workshop and Prayer Room at 3rd Floor

Announcement & Guidelines for All Registered Participants

The following information applies to ALL OFFICIAL REGISTERED team members, teachers, and guardians. As we move forward with the preparations, please take note of the following important reminders and requirements: .

Access to Essential Resources To ensure a smooth and organized experience, the organizing team has prepared a Linktree containing all essential links and resources. here:. https://linktr.ee/SCPH2026
Request for Official Letters If you require official endorsement or invitation letters, please access the templates available in the Linktree and carefully follow the provided instructions.
Join the WhatsApp Group For timely announcements and updates, each participating group must ensure that at least one (1) representative joins the official WhatsApp group. invitation link is available in the Linktree.
Orientation Materials Thank you to everyone who attended the orientation held on 24 November 2025. For those who were unable to attend, the orientation slides and meeting recording are now available for review. Please go through these materials carefully to ensure you receive all important information and align expectations.
LNEST ID Registration (Strictly Required) Deadline: 31 December 2025, 6:00 PM (PHT) - For safety, registration verification, and venue entry, all participants (INCLUDING OFFICIAL TEAM MEMBERS, TEACHERS AND GUARDIANS) are required to register for an LNEST ID to generate their QR code. https://global.lne.st/SCPH2026-LID

Failure to register may result in denied entry on the day of the event.
Presenter Code / Presentation Sequence Participating teams may check their Presenter Code and presentation sequence through the corresponding link in the Linktree.

 

Please ensure that all requirements are completed within the specified timelines. participation.

 

 

 

 

  • O-1 Philippines
    (Eastern Visayas Regional Science High School)

    Hybrid Physics-Informed And Statistical Spatiotemporal Modeling To Forecast Clear-Air Turbulence (CAT) In The Philippines

    MORE
    Clear-Air Turbulence (CAT) is a rising threat to aviation safety, creating various challenges for the industry. Due to its unexpected nature occurring of in clear skies with no visual warning, it is difficult to detect-making aircrafts prone to CAT-induced incidents. Incorporating it with the Kelvin-Helmholtz Instability and integrating it in Logistic Incorporating it with the Kelvin-Helmholtz Instability and integrating it in Logistic Regression and XGBoost, the hybrid model will be developed to identify atmospheric layers prone to instability and accurately model the spatiotemporal Ultimately, this study will establish a reliable and locally relevant foundation for clear-air turbulence (XGBoost). Ultimately, this study will establish a reliable and locally relevant foundation for clear-air turbulence (CAT) forecasting in tropical airspaces.
  • O-2 Philippines
    (Muntinlupa Science High School)

    Antihyperlipidemic Activity on Key Lipid Biomarkers of Gumamela (Hibiscus rosa-sinensis) on Diet-Induced Diabetic Silkworms (Bombyx mori L.)

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    H. rosa-sinensis (gumamela) is a plant known for its medicinal properties. this study evaluated its antihyperlipidemic potential using diet-induced This study evaluated its antihyperlipidemic potential using diet-induced diabetic silkworms (Bombyx mori), an emerging invertebrate model for metabolic research. 240 fifth-instar larvae were divided into 4 groups: standard -Diabetes was induced through a high-glucose diet, after which hemolymph samples were collected for lipid profiling. HDL, LDL, VLDL, triglycerides, and total cholesterol were measured using a lipid assay analyzer, with Friedewald Results showed significant improvements in HDL, reductions in LDL and total cholesterol, and dose- Findings suggest H. rosa-sinensis as a natural antihyperlipidemic agent and support silkworms as a viable alternative model.
  • O-3 Philippines
    (Valencia National High School)

    Characterization and Antibacterial Activity of Bacilli and Actinomycetes from Barobo Landfill

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    Antibiotic Resistance (ABR) urges exploration of new microbial sources. This study investigated landfill soil as a reservoir of bioactive organisms. Samples from Barobo Landfill were taken at a six-inch depth and analyzed by morphology and 16S rRNA sequencing. Antibacterial assays against Escherichia coli, Staphylococcus aureus, and Bacillus subtilis Nonetheless, results highlight microbial diversity and ecological roles of landfills. Optimizing isolation, media, and extraction may improve screening. Future MIC and synergy assays could reveal novel metabolites. Landfill microbes remain promising for therapeutic discovery and combating ABR.
  • O-4 Philippines
    (Tanza National Comprehensive Senior High School)

    Biowaste Valorization from Cow Manure and Ananas comosus Peel into Carbon Dots as Anode Protection and Biopolymer Separator in Aqueous Zinc -Ion Cells

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    The study explores eco-friendly Zinc-Ion Batteries (ZIBs) using cow manure and pineapple peels to create Carbon Dots (CDs) as sustainable alternatives to toxic Lithium-Ion Batteries. CDs from pineapple peels were used for cathode synthesis and anode protection, while cow manure served as a biopolymer separator. Using hydrothermal synthesis, PVA, and MnO₂, the battery's electrochemical performance was tested through cyclic Results showed 96-97% coulombic efficiency and a stable 300-cycle life, peaking at 1. 5667 V, indicating strong potential for safe, low-cost, and sustainable battery applications.
  • O-5 Philippines
    (Bansud National High School)

    SiO₂/Sodium Alginate-Xanthan Gum Double-Layer Hydrogel Photocatalyst Bio-Coating Integrated with Lantana camara-Derived g-C₃N₄ and Chlorella vulgaris Extract for Enhanced Photosynthetic CO₂ Sequestration

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    This study presents a double-layer hydrogel bio-coating integrating Lantana camara-derived graphitic carbon nitride (g-C₃N₄) and Chlorella XRD confirmed an amorphous g-C₃N₄ phase with broadened peaks, indicating superior visible-light absorption and charge separation. The silica-alginate base ensures strength and porosity, while the xanthan gum layer Expected results include strong adhesion, flexibility, moisture retention, and high chlorophyll fluorescence, highlighting the coating's potential as well as Expected results include strong adhesion, flexibility, moisture retention, and high chlorophyll fluorescence, highlighting the coating's potential as a stable, low-cost, and nature-driven system for urban air purification and environmental remediation.
  • O-6 Philippines
    (Central Mindanao University Laboratory High School)

    Orgafex-Kco: Banana (Musa Acuminata X Balbisiana) Pseudostems As A Green Source Of Potassium Carbonate For Type K Dry Fire Extinguishers

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    This study assessed banana pseudo-stems as a sustainable source of K₂CO₃ for Type K fire extinguishers. And findings show that banana-derived K₂CO₃ is an eco-friendly alternative and an effective fire suppression agent. And findings show that banana-derived K₂CO₃ is an eco-friendly alternative and an effective fire suppression agent.
  • O-7 Philippines
    (Trece Martires City National High School)

    Structural Performance of 3D House Frame Models using the Concept of Selected Conic Sections under Simulated Earthquake Conditions

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    This study examines the seismic performance of 3D house frame models using selected conic sections (circle and parabola) through SAP2000 simulations. Since earthquakes generate intense lateral and vertical forces that endanger Philippine structures, three models were developed and tested: square- Results show Model 1 produced the highest axial and shear Model 2 achieved balanced performance with improved energy dissipation yet showed torque sensitivity. Model 3 displayed the most realistic seismic response, though requiring higher beam reinforcement. The findings demonstrate that conic- based designs enhance structural resilience and support safer earthquake-resistant housing.
  • O-8 Philippines
    (Tanza National Comprehensive High School)

    Beyond the Outbreak: Hybrid Susceptible-Exposed-Infected-Recovered (SEIR) and Agent-Based Modeling (ABM) of Monkeypox Transmission

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    The re-emergence of monkeypox in May 2022 highlighted the need for reliable models to understand its spread. This study developed a Hybrid Susceptible -Exposed-Infectious-Recovered and Agent-Based Model (SEIR-ABM) for a more realistic Implemented in Python, the hybrid model combined SEIR equations with agent Simulations varied infection rate (β), recovery rate (γ), vaccination coverage, and population size. Results showed that the hybrid model produced higher total infections (mean = 166.7) with lower variability (CV = 11.4%) than the Increasing infection rate and population size raised spread Increasing infection rate and population size raised spread , while vaccination reduced it, making the hybrid framework a dependable tool for outbreak analysis and control.
  • O-9 Philippines
    (University of the Philippines High School in Iloilo)

    Number-Theoretic Analysis of Emirp Differences

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    Let 𝑝∈𝑍 be a prime such that its digit reversal 𝑞∈𝑍, with 𝑝≠𝑞, is also prime. Such pairs (𝑝,𝑞) are called emirps. This study examined the arithmetic difference 𝑝-𝑞 and formally established that 𝑝-𝑞≡0(mod18) for all such pairs. The result is proven The result is proven by corroborating divisibility by 2 via parity arguments and by 9 through digital sum congruences. This structural identity accentuates a regularity within emirps and opens further inquiry into their algebraic behavior and their relationship connections to other families of special primes.
  • O-10 Philippines
    (The Mabini Academy of Lipa, Batangas)

    BeeSION: A Real-time YOLOv8-Based AI Driven System for Early Detection of Varroa destructor in Honeybee Colonies with an Integrated 3D-Printed Encased Acaricidal Vaporizer Treatment

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    This study developed and evaluated BeeSION, an AI-driven device integrating early detection and direct treatment of Varroa destructor infestations in Using a YOLOv8-based CNN and embedded HD camera, the system achieved an [email protected] of 0.613, recall of 0.92, and precision of 1.00 for real-time mite detection. -Upon detection, an automated vaporization unit released citrus peel essential oils (CPEOs). Calamansi EO at 30 ppm showed the highest efficacy (96.8 ± 1.5% mortality). With a SUS score of 96%, it demonstrates excellent usability and strong potential for sustainable apiculture.
  • O-11 Philippines
    (NEHS Senior High School)

    TriFare: An Offline Hall Effect Sensor-Based Wheel Magnet and Piecewise Pricing System for Accurate Fare Collection in Urban Tricycle Transport

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    However, the LGU fare matrix is not strictly enforced, leading to inconsistent charges based on negotiation or fixed rates. To solve this, the study developed an offline, sensor-based fare calculator using a wheel magnet system. Three Hall effect sensors detect five neodymium magnets on the wheel to count revolutions and measure distance. A piecewise function, based on official fare rates, computes fares by distance and passenger type (regular or discounted). Fare and distance data, shown on an LCD, were tested for reliability and accuracy. A chi-square test produced a p-value of 1.0, confirming no significant difference between observed and accepted values and proving no significant difference between observed and accepted values. A chi-square test produced a p-value of 1.0, confirming no significant difference between observed and accepted values and proving the system's accuracy and effectiveness.
  • O-12 Philippines
    (San Pablo City Science Integrated High School)

    AURORA: Synthesis and Characterization of Zinc Oxide-Polyaniline (ZnO-PANI) Heterojunction Diode on Graphite Electrode with Potential Application as UV-Responsive Photodiode

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    In nearly all electronic fields, diodes are fundamental, yet their reliance on silicon and germanium often limits efficiency. AURORA, a zinc oxide-polyaniline (ZnO-PANI) heterojunction on 4B pencil graphite with potential UV sensitivity and stable performance. electrodeposited at 1000V for 10, 15, 20, 25, and 30 minutes, while six PANI variants, pure, ethanol-mixed, and HCl-doped, were dip-coated and air or FTIR confirmed the conductive emeraldine salt form of PANI. The 20-minute ZnO layer with air-dried HCl-doped PANI showed the most stable Under UV light, the heterojunction exhibited enhanced forward conduction and steady reverse photocurrent, highlighting AURORA Under UV light, the heterojunction exhibited enhanced forward conduction and steady reverse photocurrent, highlighting AURORA as an efficient diode alternative with UV-sensing capability.

Code

Country

School

Theme

Abstract
S-1 Malaysia Hulu Selangor Science School TERRALEATHER TerraLeather is a biodegradable bio-leather produced from orange peel, coconut oil, recycled egg trays, used cotton pads and tapioca starch is used as a natural binding agent. The innovation aims to reduce solid waste while offering a natural substitute for synthetic leather. The process entails formulation, drying, and test of strength, which has enormous promise in terms of durability and environmental footprint reduction.
S-2 Thailand Narathiwat School Development and Construction of an Autonomous UV-C Disinfection Robot for High-Efficiency Classroom Sterilization This project aims to design and develop an autonomous UV-C disinfection robot for classroom environments to reduce the spread of infectious agents in schools. The hypothesis states that UV-C radiation can effectively destroy microbial genetic material and reduce surface contamination. The disinfection test will be conducted It is expected that UV-C radiation emitted from the robot can significantly reduce bacterial The developed system shows potential to improve hygiene standards and minimize infection risks in classrooms. The developed system shows potential to improve hygiene standards and minimize infection risks in classrooms.
S-3 Malaysia SMK Bandar Baru Salak Tinggi Living bio-paste wall This project develops a living wall bio-paste with Haematococcus pluvialis to produce oxygen and absorb CO₂ in polluted areas. Early results show algae remain active, indicating potential for sustainable air-purifying surfaces.
S-4 Malaysia Hulu Selangor Science School Orenji-ticide This study explores the development of a sustainable rodent-control product, "Orenji-ticide," derived from agricultural The innovation seeks to replace synthetic chemical rodenticides with a natural, waste-based alternative that minimizes environmental harm and non-target toxicity. The innovation seeks to replace synthetic chemical rodenticides with a natural, waste-based alternative that minimizes environmental harm and non-target toxicity. The innovation seeks to replace synthetic chemical rodenticides with a natural waste-based alternative that minimizes environmental harm and non-target toxicity. This research aims to evaluate the product's efficacy, safety, and commercial viability as a biodegradable carrier. This research aims to evaluate the product's efficacy, safety, and commercial viability as a green rodent-control solution.
S-5 Malaysia SMK Sultan Abu Bakar BIOVOLT This project, called BioVolt, explores the use of wastewater as a source of clean electricity for smart farming. The objective is to generate power, create an automatic watering system, and reduce farming costs while protecting the environment. BioVolt uses a bio-electrochemical reaction with The objective is to generate power, create an automatic watering system, and reduce farming costs while protecting the environment. Results also showed healthier soil moisture balance and reduced water BioVolt proves that wastewater can be turned into energy, supporting eco-friendly and self sustaining farming.
S-6 Malaysia Sekolah Menengah Kebangsaan Bandar Puchong Jaya (A) Gamification as A Tool to Help Weak Students Master Mental Arithmetic in Basic Mathematics This project uses gamification to help students master basic arithmetic skills such as addition, subtraction, multiplication and division. Through interactive games developed using Scratch and based on surveys, the project aims to enhance students' interest, and performance. The combination of fun elements and repetition not only strengthens students' interest and performance. The combination of fun elements and repetition not only strengthens students' mastery of Mathematics but also fosters computational thinking. This project also supports the notion that gamification is an effective and efficient approach to reinforcing fundamental mathematical skills and serves as a method to address learning gaps among students.
S-7 Malaysia SM Sains Hulu Selangor BioMAP: Biodegradable Multi-Purpose Absorbent Paper from Organic Waste Our project develops BioMAP, a biodegradable multi-purpose absorbent sheet made from recycled cellulose fibres, cotton, coconut coir, and processed Our goal is to create a natural, chemical-free alternative to commercial absorbent sheets for oil, water, and skin sebum. We found that combining natural fibres with controlled porosity improves absorption while reducing waste. Our process includes fibre treatment, pulping, blending, sheet-forming, and thermal pressing. We prototype using natural drying and heat- pressing, and plan to scale using controlled oven-drying for consistent sterilization and industrial feasibility. Results show successful absorption of kitchen oil, cosmetic oil, and liquids, proving organic waste can be engineered into functional biomaterial.
S-8 Malaysia SMK Pusat Bandar Puchong 1 NephrIQ - AI-Enhanced Saliva and Breath Diagnostic System for Early Kidney Stress Detection NephrIQ is an AI- and biosensor-integrated diagnostic system designed for early detection of kidney stress using eco-friendly natural indicators. Turmeric, hibiscus, and red cabbage extracts act as natural biosensors that exhibit colorimetric changes in response to abnormal biochemical markers present in saliva or exhaled breath. A color sensor connected to an Arduino captures these changes and transmits data to an AI model for classification. NephrIQ is a portable, affordable, non-invasive solution that promotes early detection, accessibility, and This system demonstrates how nature-inspired materials and AI can converge to improve community-level kidney health monitoring.
S-9 Malaysia SBP Integrasi Gopeng Isolation and Characterization of Plastic-Degrading Bacteria from Malaysian Landfills This study aims to isolate and characterize bacteria from Malaysian landfill soil capable of degrading polyethylene terephthalate (PET). The hypothesis is that certain indigenous bacteria have evolved to metabolize plastic due to prolonged exposure. Preliminary results indicate bacterial growth and possible plastic degradation, observed through mass reduction and surface changes. If successful, this research could contribute to bioremediation strategies for plastic waste.
S-10 Malaysia Sekolah Menengah Kebangsaan Bandar Puchong Jaya (A) An Automated U-Turn Detection and Warning System for Accident Prevention in School Zones U-turns are one of the most frequent causes of road accidents, especially in school zones where the flow of vehicles and pedestrians is dense. This project presents an Automated U-Turn Detection and Warning System designed to improve safety by detecting risky driving maneuvers in real time. Once detected, it triggers a visual warning through an LED display showing messages The prototype was tested under real traffic conditions and The results show that the proposed system effectively reduces the likelihood of collisions and improves traffic discipline. This innovation supports the development of safer school zones and contributes to the broader advancement of Intelligent Transportation Systems (ITS).
S-11 Malaysia SMK Landas Formulation of Healthier Meatballs: Utilization of Pumpkin Seed Powder as a Fat Replacement This research aimed to formulate healthier meatballs by partially replacing animal fat with pumpkin seed flour (PSF) derived from Cucurbita moschata. It is hypothesized that PSF could improve the nutritional quality of meatballs by reducing saturated fat and enhancing protein, fiber, and antioxidant content without compromising sensory properties. Results showed that PSF substitution increased protein and fiber levels while lowering fat and The study concluded that PSF-enriched meatballs offer a nutritious, functional, and sustainable alternative to conventional products, supporting health, food innovation, and waste reduction.
S-12 Malaysia Sekolah Menengah Kebangsaan Bandar Puchong Jaya (A) Pahlawan Hijau: Enhancing Environmental Awareness through Interactive 3D Simulation Game Development using Roblox Studio. This project aims to raise awareness about the importance of protecting the environment through an engaging and interactive 3D video game. Hijau: The Eco Warriors allows players to become eco-heroes tasked with saving a polluted city by collecting trash, recycling waste materials, and Each mission focuses on different city zones such as forests, beaches, and industrial areas. The game combines entertainment and education, encouraging students to learn The game combines entertainment and education, encouraging students to learn about pollution, recycling, and environmental responsibility in a fun and meaningful way.
S-13 Malaysia SM Sains Hulu Selangor INKUVERA This project presents the formulation of a long-lasting, skin-safe, and antibacterial natural marker ink made from eco-friendly and non-toxic The base of the ink utilizes aloe vera gel for its soothing and moisturizing properties, while glycerin ensures smooth ink flow and prevents drying. Natural colorants such as cosmetic-grade mica powder or botanical dyes provide safe pigmentation suitable for skin contact. The inclusion of essential oils (tea tree, lavender, or rosemary) serves a dual purpose - providing natural fragrance and offering antibacterial, antifungal, and mild preservatives. Optional ingredients like xanthan gum enhance texture and consistency. This formulation results in a durable, moisture-rich ink that is safe for both the skin and the environment, maintaining usability for up to six months. The product emphasizes sustainability, safety, and creativity in natural ink innovation.
S-14 Malaysia SMKA Sheikh Hj Mohd Said PeeloWrap Non-biodegradable waste pollutes soil, water, and air. Meanwhile, agricultural waste like fruit and vegetable peels is often discarded or burned. To solve this, we created Peelowrap, a biodegradable food wrapper and polybag made from potato, mango, banana, orange, watermelon, and mangosteen peels. Potato and banana peels provide starch to form the structure, while others add benefits. Mango's polyphenols act as antioxidants and insect repellents, mangosteen's xanthones give antimicrobial effects, orange's limonene repels insects, and watermelon Tests showed Peelowrap is strong, biodegradable, and effective proving its potential as a sustainable Peelowrap is strong, biodegradable, and effective proving its potential as a sustainable plastic alternative.
S-15 Malaysia SM Sains Hulu Selangor Simmi-Away Human-wildlife conflicts, particularly monkey attacks, pose a significant threat to public safety, agricultural yield, and urban harmony. product is a non-lethal, intelligent monkey deterrent system designed to prevent aggressive encounters while ensuring animal welfare. Utilizing a combination of ultrasonic sound waves, motion detection, and species-specific deterrents, the device effectively repels monkeys without causing It adapts to different environments, making it suitable for residential areas, farms, and tourist sites. With its solar-powered and weather- resistant design, the system provides a sustainable, low-maintenance solution to mitigate monkey-related disturbances, protecting both humans and wildlife.
S-16 Philippines Bansud National High School - Regional Science High School for MIMAROPA AMPHIBOT: An Electrostatic Amphibious Machine for Microplastic Identification and Recovery in Sand and Water Microplastic pollution has become a defining environmental issue of the 21st century. The aim of this study is to develop a The aim of this study is to develop a system that integrates electrostatic separation, mechanical sieving, and Near-Infrared (NIR) spectroscopy to be deployed in the field for real-time Amphibot has the potential to combine robotics and electrostatics for efficient environmental cleanup and data- logged monitoring while addressing the Sustainable Development logged monitoring while addressing the Sustainable Development Goals pertaining to clean water, life below water, and life on land.
S-17 Philippines Bansud National High School - Regional Science High School for MIMAROPA Dance of the Hexagons: Exploring the Hidden Geometry in Bee Communication and Urban Greening Strategies Honeybees (Apis mellifera) are renowned for their ecological role and geometric precision in hive construction. This study explores the relationship between hexagonal cell structure and waggle dance activity. Using Python-based computational tools, a total of 25 waggle dance recordings and high-resolution hive Results reveal that larger cell walls promote higher dance activity, while irregular or highly circular cells reduce accuracy. Results reveal that larger cell walls promote higher dance activity, while irregular or highly circular cells reduce accuracy and precision, highlighting geometry's vital role in bee communication.
S-18 Philippines Bansud National High School In Silico and In Vitro Evaluation of Marine-Derived Bioactive Compounds from Acanthaster planci as Potential Antiviral Agents Against SARS-CoV-2 This study investigates marine-derived bioactive compounds from Acanthaster planci as potential antiviral agents against SARS-CoV-2 through We aim to identify compounds with strong antiviral potential using in silico and in vitro analyses. MS profiling, molecular docking, and ADME predictions, selected compounds showed high binding affinity and good pharmacokinetic properties. These findings suggest that A. planci metabolites may serve as These findings suggest that A. planci metabolites may serve as promising leads for antiviral drug development while supporting sustainable marine resource use.
S-19 Philippines Tanauan City Integrated High School DETECTION OF CROWN-OF-THORNS STARFISH (Acanthaster planci) BY UTILIZING YOLOv5 MODEL The Crown-of-Thorns Starfish (Acanthaster planci) significantly threatens coral reefs through its destructive population outbreaks. To solve this, the study developed an automated CoTS detection system using the The model is flexible and can run on various devices such as laptops, Raspberry Pi, and other portable devices. It was tested through image assessments and live It was tested through image assessments and live trials, showing that the system is lightweight, reliable, and portable-useful for large-scale coral reef monitoring and conservation.
S-20 Philippines Central Mindanao University Laboratory High School Fire Retardant and Mechanical Properties of Bamboo (Dendrocalamus asper Schultz.) via Low-Vacuum (~400 Pa) Plasma Surface Modification The growing demand for sustainable and fire-resistant building materials has led to exploring plasma treatment to enhance bamboo's properties. This study investigated low vacuum plasma surface modification at 5, 10, and 15 seconds on Dendrocalamus asper. Using five treatments including Using five treatments including untreated, varnish-treated, and three plasma exposures, the 15-second treatment (T3) showed the best overall results: highest strength and density, delayed ignition, reduced smoke, flame production, and char formation. ANOVA confirmed significant differences. Plasma treatment, especially T3, improves bamboo's durability and fire resistance effectively.
S-21 Philippines University of the Philippines High School in Iloilo MangroveMatch: A GIS-Based Web Tool for Identifying Mangrove Restoration Sites and Suitable Species in Iloilo City Mangrove restoration often fails due to poor site and species selection, with survival rates of only 10-20%. MangroveMatch, a GIS-based website, identifies suitable locations and evaluates species compatibility for mangrove reforestation in Iloilo City. Thematic maps of key factors needed to be considered for successful mangrove rehabilitation (soil salinity, soil type, land cover, slope, elevation, proximity to rivers and roads) MangroveMatch provides a mangrove suitability map, species- Results show 2.96 km² suitable and 0.11 km² perfectly suitable areas, mainly along Iloilo River, La Paz, and José Luis de la Paz, but also along Iloilo River, La Paz, and José Luis de la Paz, and along José Luis de la Paz. The generated species-specific and mixed-species maps improve biodiversity and species matching accuracy. study showcases the utility of a GIS framework as an effective decision support tool for potential mangrove rehabilitation projects.
S-22 Philippines Muntinlupa Science High School Green-Synthesis of Zinc-Ferrite (ZnFe₂O₄) Nanoparticles from Sampaguita (Jasminum sambac) Extract: In Silico Evaluation of Angiosuppressive Potential via VEGFR-2, PI3Kβ, RAGE, EGFR Docking and Dynamics Angiogenesis is crucial for forming new blood vessels. However, when it goes wrong, it can lead to diseases like cancer and heart problems. This study looks at the potential of green-synthesized zinc ferrite (ZnFe₂O₄) nanoparticles made from Jasminum We created three molar ratios (1:1, 1:2, 2:1) and characterized them using SEM, EDX, FTIR, and ImageJ, which confirmed the formation of nanoparticles that Docking and dynamics tests showed strong interactions, especially between VEGFR-2 and Docking and dynamics tests showed strong interactions, especially between VEGFR-2 and Excoecariatoxin, as well as PI3Kβ and Excoecariatoxin, suggesting inhibition potential. angiogenesis, the limitations in size and drug-like properties need further improvement.
S-23 Philippines San Pablo City Science Integrated High School LUMINARICE: COMPARATIVE MULTIVARIATE COMPUTATIONAL MODELING OF F1 HYBRID RICE (Oryza sativa L.) YIELDS LEVERAGING QUANTITATIVE PHENOTYPIC PARENTAL TRAIT PROFILES Rice (Oryza sativa L.) is the staple food of over half the global population, yet its production faces challenges from climate change, limited land, and high input costs. This study applied machine learning to predict F₁ hybrid rice yield using five parental phenotypic traits. Eight regression models were tested on 110 hybrid combinations, with the Multilayer Perceptron (MLP) achieving the highest accuracy (R²=0.8810). The MLP model was deployed as LuminaRice, a web-based platform that enables yield prediction and trait analysis, supporting data-driven rice breeding and food security in the Philippines. and food security in the Philippines.
S-24 Philippines Trece Martires City National High School InForMa: An Innovative Forest Maintenance Drone developed through an IoT-based Raspberry Pi System with Heat Sensors and AI-driven Sound Detection to Address Illegal Logging and Forest Fire complications Built on a DJI Matrice 300 RTK with integrated sensors and an AI model (InForMaX), the system hypothesizes that combining UAV mobility, IoT, and AI can enhance early Field tests using fire simulations and chainsaw sound playbacks showed high accuracy in fire detection with no false positives and strong recall in sound Overall, InForMa demonstrated fast response, reliability, and cost Overall, InForMa demonstrated fast response, reliability, and cost- effective potential for scalable forest monitoring and conservation.
S-25 Philippines Muntinlupa Science High School Spatiotemporal Mathematical Modeling of Breast Cancer Tumor Growth Dynamics Under Varying Hypoxia Levels Using Logistic Growth Equation, Gompertz Model, and Michaelis-Menten Kinetics Tumor growth is influenced by biological, spatial, and temporal factors like oxygen levels, cell communication, treatments, and surrounding tissue. To study this, a computer model combining Logistics Growth, Gompertz, and Michaelis-Menten kinetics was created to simulate tumor behavior at oxygen Results show severe hypoxia (1-4%) causes rapid cell death, moderate hypoxia (4-7%) induces quiescence, and After 1000 MCS, cell numbers stabilize around 220, mimicking real avascular tumors. This model aids understanding and treatment design by predicting tumor responses to oxygen variations.
S-26 Philippines Eastern Visayas Regional Science High School Shield: Smart-Helio Indicator for Exposure and Light Danger The study developed and tested SHIELD (Smart-Helio Indicator for Exposure and Light Danger), a solar-powered smart light pole that monitors UV radiation and provides real-time warnings through color-coded LEDs and SMS alerts. Conducted at Eastern Visayas Regional Science High School, the project used a developmental-experimental method and received very good to excellent ratings from experts and teachers for functionality, Students found SHIELD effective and easy to use, promoting sun safety awareness and protective behaviors. Overall, SHIELD proved to be a reliable, sustainable, and educational tool that supports public health efforts against Overall, SHIELD proved to be a reliable, sustainable, and educational tool that supports public health efforts against harmful UV exposure.
S-27 Philippines Bansud National High School - Regional Science High School for MIMAROPA Evaluate Magnetic Chitosan Beads Synthesized From Black Sea Urchin Shells Infused With Fe₃O₄ Nanoparticles for the Adsorption of Cu(II) In Wastewater This study synthesizes and evaluates magnetic chitosan beads (MCBs) derived from black sea urchin shells infused with Fe₃O₄ nanoparticles for Cu(II) It aims to create an eco-friendly, low-cost, and sustainable adsorbent that utilizes marine waste. Laboratory tests on chitosan extraction, bead Laboratory tests on chitosan extraction, bead formation, and batch adsorption confirmed that MCBs effectively removed copper ions, showing improved performance over pure chitosan and offering a Laboratory tests on chitosan extraction, bead formation, and batch adsorption confirmed that MCBs effectively removed copper ions, showing improved performance over pure chitosan and offering a green solution to both water pollution and marine waste.
S-28 Philippines Mariveles National High School - Camaya Bio-Based Anti-Corrosive Coating from Tamarindus indica L. Leaf Extract Enriched with Tartaric Acid for Iron Oxidation Treatment We explore the potential of tamarind leaves, a locally available and often discarded natural resource, as a sustainable source of corrosion- Through extraction, formulation, and efficiency testing, the study aims to evaluate the coating's ability to form Through extraction, formulation, and efficiency testing, the study aims to evaluate the coating's ability to form a protective barrier that minimizes rust formation and enhances metal durability under corrosive conditions. The results are expected to demonstrate that tamarind leaf extract enriched The results are expected to demonstrate that tamarind leaf extract enriched with tartaric acid provides an eco-friendly, cost-effective, and efficient alternative to synthetic rust Ultimately, this research promotes environmental sustainability, resource utilization, and innovation in green materials science for industrial applications.
S-29 Philippines Muntinlupa Science High School Green Valorization of Rice (Oryza sativa L.) Husk-Based Biocomposite Substrates via Water-Based Diazonium Chemistry and Polyvinyl Alcohol (PVA) Cross-Linking for Potential Hydroponic System Applications Rice (Oryza sativa L.) is one of the most extensively cultivated crops globally, generating substantial agricultural residues, with rice husks (RH) being a predominant by-product. This study investigates the valorization of rice husk as a sustainable biocomposite substrate for hydroponic systems via green chemistry. RH underwent hot water leaching pretreatment and were functionalized using water-based diazonium chemistry with sulfanilic acid RH underwent hot water leaching pretreatment and were functionalized using water-based diazonium chemistry with sulfanilic acid as a bifunctional linker to enhance compatibility with polyvinyl alcohol (PVA). PVA to Reactive rice husk (RRH) were combined at mass ratios of 2:5, 3:5, and 4:5 and compared with coco peat. Physicochemical properties, including pH, electrical conductivity, total dissolved solids, water retention, bulk density, and C/N ratio, were analyzed. ATR-FTIR confirmed successful Among all, 2:5 exhibited comparable performance, underscoring valorized rice husk's potential Among all, 2:5 exhibited comparable performance, underscoring valorized rice husk's potential as a sustainable hydroponic biocomposite substrate.
S-30 Philippines Tanauan City Integrated High School INTEGRATIVE LIPIDOMIC-DRIVEN METABOLOMICS ANALYSIS OF SURVIVAL RATES AND PREDICTIVE OUTCOMES OF TYPE 2 DIABETES MELLITUS USING DEEP LEARNING MODELS and cox proportional hazard regression networks Type 2 Diabetes Mellitus (T2DM) remains a major worldwide health problem, with traditional methods falling short in predicting outcomes and survival rates. The primary objective of this study is to enhance prediction using lipidomic-metabolomic data using hybrid deep learning models, specifically Hybrid Long Short-Term Memory (LSTM) with Dense Multi-Layer Perceptron (MLP) and Cox Proportional Hazards Regression Network (CPHRN). The Hybrid LSTM + Dense MLP achieved 97% accuracy, whereas CPHRN had a C-index of 0.762. These findings demonstrate that integrating deep learning enhances precision, survival analysis, and personalized T2DM treatment.
S-31 Philippines University of the Philippines High School in Iloilo Multiple Ligand Docking of Selected Kamias (Averrhoa bilimbi L.) Flavonoids as Potential Synergistic Inhibitors to Alzheimer's Disease Alzheimer's Disease (AD) remains an urgent global challenge, with existing treatments offering limited efficacy and high costs. study investigates eight flavonoids from Averrhoa bilimbi L., namely myricetin, luteolin, quercetin, dihydromyricetin, catechin, apigenin, and epicatechin, as potential synergistic inhibitors of AD kaempferol, and epicatechin, as potential synergistic inhibitors of AD's major targets: acetylcholinesterase (AChE), beta-secretase 1 (BACE1), and beta-amyloid (Aβ). Using in silico multiple ligand docking and ADMET profiling, this study assesses their therapeutic potential. By integrating computational precision with a locally abundant plant, this research presents an innovative and cost-effective strategy toward multi-targeted, plant-based treatments that By integrating computational precision with a locally abundant plant, this research presents an innovative and cost-effective strategy toward multi-targeted, plant-based treatments that bridge scientific innovation and accessibility in the fight against neurodegeneration.
S-32 Philippines Bansud National High School - Regional Science High School for MIMAROPA Synergistic Anticancer Potential of Lantana camara and Doxorubicin on MCF-7 Cells: Targeting ERα, PI3K pathway, and CDK4/6 with Integrated Toxicity Profiling Among all cancer types, breast cancer is the most frequently diagnosed cancer worldwide and a major cause of cancer-related mortality in women. This research aimed to evaluate the anticancer potential of Lantana camara methanolic leaf extract against MCF-7 breast cancer cells. Key results showed promising cytotoxicity, effective molecular docking with ERα, PI3K/ Key results showed promising cytotoxicity, effective molecular docking with ERα, PI3K// AKT/mTOR, and CDK4/6 targets, and acceptable biosafety in brine shrimp and Allium cepa assays. The study highlights the potential of locally sourced phytochemicals in enhancing chemotherapy and reducing treatment costs.
S-33 Philippines Muntinlupa Science High School An In Ovo Evaluation of the Angiogenic Inhibition Activity of Avocado (Persea Americana) Seed Extract Using Duck Chorioallantoic Membrane (CAM) Assay Despite major advancements in the field of medicine, cancer remains a global health challenge, with angiogenesis serving a critical role in tumor This study investigated the anti-angiogenic effect of Persea americana (Avocado) seed extract through a Chorioallantoic Membrane (CAM) Varying concentrations (25%, 50%, 75%, 100%) of the extract were applied alongside negative ( Results demonstrated a clear reduction in blood vessel formation, with the highest concentration of P. Americana exhibiting in Results demonstrated a clear reduction in blood vessel formation, with the highest concentration of P. Americana exhibiting inhibition activity comparable to that of celecoxib, a standard anti-angiogenic drug. Americana extract possesses significant potential as a natural anti-angiogenic agent.
S-34 Philippines Southville International School and Colleges Amberlyst-15 as a Green Catalyst in Aspirin Synthesis: Replacing Sulfuric Acid This study investigates the use of bio-glycerol, a renewable by-product of biodiesel production, as a sustainable alternative to sulfuric acid in the synthesis of aspirin (acetylsalicylic acid). This study investigates the use of bio-glycerol, a renewable by-product of biodiesel production, as a sustainable alternative to sulfuric acid in the synthesis of aspirin (acetylsalicylic acid). The research compares the effects of bio-glycerol and conventional acid catalysts on pH, percentage yield, reaction rate, and product purity. Experimental results indicate that bio-glycerol achieved yields and purities comparable to traditional methods while producing less acidic waste and These findings suggest that bio-glycerol can serve as an efficient, non-toxic, and eco-friendly catalyst, supporting These findings suggest that bio-glycerol can serve as an efficient, non-toxic, and eco-friendly catalyst, supporting the advancement of green chemistry and sustainable pharmaceutical manufacturing practices.
S-35 Philippines Muntinlupa Science High School Bee-Inspired Thermal Protection System: Thermo-Structural Analysis of 30 Honeycomb Structures Using ANSYS Honeycomb sandwich panels, which serve as the thermal and structural support for spacecraft, buildings, and the automotive industry, are continuously Through the use of ANSYS software, this research analyzed the thermal and structural behaviors of 30 existing honeycomb structures using transient thermal analysis and static structural analysis. Through the use of ANSYS software, this research analyzed the thermal and structural behaviors of 30 existing honeycomb structures using transient thermal analysis and static structural analysis. The results show that changes in geometrical The results show that changes in geometrical arrangements affect the overall thermal and structural behavior of the entire honeycomb panel. Moreover, the presence of weak bonds and thin arrangements causes the structure to have a weak structural performance. This study recommended the best-fit honeycomb structures for specific applications.
S-36 Philippines Bansud National High School - Regional Science High School for MIMAROPA HAGLOCER: Anti-proliferative and Anti-migratory Effects of Chromolaena odorata Leaf Extract on HCT-116 Colorectal Cancer Cells via In Vitro and In Silico Analyses Colorectal cancer (CRC) remains a major health concern, driving the search for plant-derived therapeutics. This study assessed the anti-cancer potential of Chromolaena odorata (Hagonoy) ethanolic leaf extract against HCT116 colorectal cancer cells. MTT, wound healing, and DPPH assays evaluated its anti-proliferative, anti-migratory, and antioxidant effects, while molecular docking predicted phytochemical- and The extract showed dose-dependent cytotoxicity (IC₅₀ = 35.57 µg/mL), 78.4% reduced viability, 32.7% wound closure Docking revealed strong affinities (-8.3 to -10.5 kcal/mol), suggesting C. odorata as a potential multi-target anti-cancer agent.
S-37 Philippines University of the Philippines High School in Iloilo In silico screening and molecular docking of physalis angulata L. flavonoids as potential xanthine oxidase inhibitors for antihyperuricemic activity Hyperuricemia is a metabolic disorder characterized by elevated uric acid levels and is closely linked to gout and other chronic health conditions. Conventional treatments involve xanthine oxidase inhibitors (XOIs), such as allopurinol, which may cause adverse effects with long-term use. This research aims to examine whether flavonoids found in Physalis angulata L., a medicinal plant, exhibit inhibitory potential against xanthine oxidase. To address this, the study will employ in silico methods, including pharmacokinetic screening, toxicity prediction, and molecular docking. tools such as SwissADME, ProTox 3.0, and AutoDock Vina, we will evaluate selected flavonoids for drug-likeness and binding affinity.
S-38 Philippines Bansud National High School - Regional Science High School for MIMAROPA Kinetic In situ Characterization of a Composite Cathode and Anode Materials Derived from Musa textilis (Abaca) Fibers and Carbonized Perna viridis ( Green Mussel) Shells in Coin-Cell-Based Applications This study investigates biomass waste, carbonized green mussel shells and abaca fibers, as electrode layers for CR2032 coin-cells. The composite showed superior electrochemical performance. Cyclic voltammetry revealed improved redox GEIS confirmed lower charge transfer resistance for the composite at 34.7 Ω vs 49.2 Ω for abaca Chronoamperometry showed a higher discharge capability of 5.6 mA, vs 3.2 mA and 2.1 mA. OCV testing showed enhanced energy retention These findings show the potential of sustainable biomass for enhanced energy storage.
S-39 Philippines Samar National School LEAKTRONIC: Wireless Transmitter-Receiver Based Liquefied Petroleum Gas Leak Detection System Gas leaks, particularly those involving Liquified Petroleum Gas (LPG), pose significant safety risks in both residential and commercial settings. the Philippines, recurring incidents of LPG leaks have led to property damage, fatalities, and injuries, highlighting the urgent need for reliable This study addresses this need by proposing the development and optimization of an advanced gas leak detection system. Drawing from previous research highlighting the causes and consequences of gas leaks, as well as the limitations of existing detection methods, the study employs an The design considerations include addressing environmental factors affecting sensor performance. considerations include addressing environmental factors affecting sensor performance and integrating modern communication networks for real-time The design considerations include addressing environmental factors affecting sensor performance and integrating modern communication networks for real-time alerts.
S-40 Philippines Palawan National School AGOS, agricultural gate and oversight system: Developing an Automated Water Redirection Device for Efficient Rice Farm Irrigation In the Philippines, rice cultivation depends on flooded paddies requiring continuous irrigation, yet systems often suffer from uneven water To address these, the study developed AGOS, an automated irrigation gate system that calculates To address these, the study developed AGOS, an automated irrigation gate system that calculates irrigation time (IRT) based on crop water requirements (WR) from variables like farm size, soil type, rice growth stage, and flow rate. setup simulated the design using an Arduino Nano, YF-S201 flow sensor, MG996R servo motor, GSM SIM800L V2, and a solar-powered 12V battery. Testing showed a 4.95-second gate response, 3.39-second SMS delay, and 86.73% flow accuracy. AGRIFlow operates continuously for two hours without malfunction, improving efficiency and reducing labor-showing promise for large-scale canal application.
S-41 Philippines Brooke's Point National High School SafeTurn: Solar-Powered Smart Blind Curve Warning System Road accidents from limited visibility on blind curves remain a major safety concern. This study developed SafeTurn, a solar-powered smart warning system that detects approaching vehicles and alerts oncoming drivers through synchronized visual signals. Palawan, the system achieved 100% detection for cars and trucks, 93% for tricycles, and 80% for motorcycles, with activation times of 0.26 -User evaluation yielded a 3.94 weighted mean and 98.35% efficiency rate, confirming its effectiveness in improving driver awareness. SafeTurn proves to be a reliable, eco-friendly, and low-cost innovation for enhancing road safety, with future improvements focused on small-vehicle detection and extended range.
S-42 Philippines San Pablo City Science Integrated High School KaBOTech: A SMART MUSHROOM CULTIVATION SYSTEM WITH AN AUTOMATED ENVIRONMENTAL CONTROL AND YOLOV11-BASED GROWTH STAGE MONITORING This study developed KaBOTech, a smart mushroom cultivation system integrating automated environmental control and YOLOv11-based growth stage monitoring. Utilizing a Raspberry Pi 4 Model B, BME280 sensor, and relay-controlled actuators, the system autonomously maintains optimal conditions while performing real-time image analysis. Experimental results showed mean errors of -0.10 °C and +0.13% RH, with 100% actuator The findings demonstrate KaBOTech's precision, stability, and feasibility as an IoT -AI-driven approach for sustainable mushroom production in controlled environments.
S-43 Philippines Southville International School and Colleges Evaluating the Effect of Propeller Material and Throttle Level on the Thrust Efficiency of Drone Propellers This study aims to evaluate how propeller material and throttle level affect the thrust efficiency of drone propellers. Specifically, it investigates Specifically, it investigates the relationship between thrust, power consumption, and overall efficiency when using carbon fiber and plastic propellers at various throttle levels ( Specifically, it investigates the relationship between thrust, power consumption, and overall efficiency when using carbon fiber and plastic propellers at various throttle levels ( 40%, 70%, and 100%). The hypothesis suggests that carbon fiber propellers will generate higher thrust with lower power consumption, resulting in greater efficiency. Experimental data are being collected using a thrust stand equipped with a digital scale and power meter. Preliminary findings indicate that carbon fiber propellers are more efficient at medium throttle levels. This research contributes to optimizing drone performance by identifying material and operational conditions that improve aerodynamic and energy efficiency.
S-44 Philippines Top Link Global College, Inc. FRANCIS: Futuristic Robot for Assisting, Navigation, Care, Interaction and Support Project FRANCIS is an assistive home robot created for Filipino families to help ease caregiving fatigue and make daily living safer. Designed with care at its core, it uses solar power with sunlight tracking, a wireless charging dock, and energy-saving features to lessen dependence on non-renewable energy. It supports SDGs 12, 13, and 15 through eco-friendly components and sensors for smoke, heat, and water leaks. FRANCIS also provides reminders, heartbeat monitoring, remote-controlled navigation, a camera for live streaming, and a motion detector for added home security.
S-45 Philippines Malayan Science High School
P-1 Philippines Bansud National High School - Regional Science High School for MIMAROPA Analysis on the Biodegrading Ability of the Mealworm (Tenebrio molitor) in Degrading LDPE (Low-density polyethylene), PET (Polythylene terephthalate), EPS (Expanded polystyrene), and PLA (Polylactic acid) This study investigates the biodegrading ability of mealworms (Tenebrio molitor) on LDPE, PET, EPS, and PLA plastics. It aims to measure plastic It aims to measure plastic consumption, observe effects on mealworm growth, and confirm biodegradation using FTIR analysis of frass. The hypothesis suggests no significant Results are expected to show measurable plastic loss, presence of oxygen functional groups, and C=O bond The research highlights mealworm's potential as a sustainable biological tool for The research highlights mealworm's potential as a sustainable biological tool for reducing plastic waste.
P-2 Philippines Muntinlupa Science High School Comparative Phytoremediation Efficiency of Water Hyacinth (Pontederia crassipes), Water Lettuce (Pistia stratiotes), and Duckweed (Lemna minor) in Comparative Phytoremediation Efficiency of Water Hyacinth (Pontederia crassipes), Water Lettuce (Pistia stratiotes), and Duckweed (Lemna minor) in the Rhizofiltration of Copper (I) Oxide (Cu₂O Toxic heavy metals from water pollution endanger both the environment and human health. Experiments with varying Cu₂O levels showed all plants absorbed it, with water hyacinth being the most effective, offering an eco-friendly and affordable cleanup. Experiments with varying Cu₂O levels showed all plants absorbed it, with water hyacinth being most effective, offering an eco-friendly and affordable cleanup method.
P-3 Philippines MIMAROPA Regional Science High School CartiLikha: Injectable Hydrogel-Based Articular Cartilage Regeneration for Osteoarthritis using Polyvinyl Alcohol (PVA) and Sodium Alginate (SA) Combined with Takip-kuhol (Centella asiatica) Extracts This study investigates the development of injectable PVA-SA hydrogels incorporated with C. asiatica bioactive compounds for potential cartilage regeneration applications. The formulation aims to provide anti-inflammatory and tissue-repair for osteoarthritis. The resulting hydrogels were evaluated through The resulting hydrogels were evaluated through phytochemical, mechanical, biocompatibility, and molecular docking to determine their suitability for cartilage repair and osteoarthritis therapy. Phytochemical screening and in silico studies revealed that C. asiatica contains bioactive metabolites exhibiting significant anti-inflammatory, and regenerative activities, supporting its potential and regenerative activities, supporting its potential use in tissue engineering.
P-4 Philippines Naguilian National High School Controlled Hot-Air Extrusion (CHAE) for Rapid, On-Demand Fabrication of Thermoplastic Test Specimens and Molds This study focuses on developing a Controlled Hot-Air Extrusion (CHAE) system that uses a heat gun to melt recycled plastic bottles for molding new products. By controlling heat and extrusion flow, the system efficiently shapes melted plastics into usable test specimens and molds. provides a simple, low-cost, and eco-friendly way to recycle plastic waste while demonstrating how controlled extrusion technology can support rapid and sustainable fabrication.
P-5 Philippines Tanauan City Integrated High School Integrating Self Supervised Vision Transformers with Deep Neural Networks as a Diagnostic Tool for Cytomorphology-Based Detection of Acute Myeloid Leukemia and Prediction of NPM1 Mutation Status. An advanced diagnostic framework integrating Self-Supervised Vision Transformers (DinoBloom) with Deep Neural Networks was developed to detect The objective was to create a clinically reliable system capable of identifying subtle cytomorphological variations with minimal expert annotation. The objective was to create a clinically reliable system capable of identifying subtle cytomorphological variations with minimal expert annotation. The model achieved 98% accuracy, supported by statistical treatments, including error, calibration, and validation analyses. The model achieved 98% accuracy, supported by statistical treatments, including error, calibration, and validation analyses confirming its reliability, robustness, and readiness for diagnostic application, advancing AI-driven hematologic diagnostics with clinical significance and integration potential.
P-6 Philippines Central Mindanao University Laboratory High School Banana (Musa acuminata x balbisiana) Peel Powder as Bio-Coagulant for Turbidity Mitigation in Lake Pinamaloy, Don Carlos, Bukidnon This study evaluated the utilization of banana (Musa acuminata × balbisiana) peel powder (BPP) as a bio-coagulant for mitigating turbidity in Lake Seven treatments include: Untreated water sample as control, modified and non-modified BPP (200 mg, 400 mg, 600 mg) were tested. All treatments effectively mitigated turbidity, with the modified 600 mg (T6) treatment achieving the best performance, lowering Statistical analysis (ANCOVA, Quade's test) confirmed significant differences, establishing BPP as the best performance, lowering turbidity from 53.6 to 25.8 NTU and improving pH, temperature, and dissolved oxygen. confirmed significant differences, establishing BPP as an efficient, sustainable, and eco-friendly alternative to chemical coagulants for BPP as an efficient, sustainable, and eco-friendly alternative to chemical coagulants for enhancing water quality.
P-7 Philippines University of the Philippines High School in Iloilo Moribang: Development of a Collagen-Based Hydrogel from Milkfish (Chanos chanos) Skin, Scales, and Bones Enhanced with Moringa (Moringa oleifera) Leaf Extract as a Wound Dressing This study develops a collagen-based hydrogel from milkfish (Chanos chanos) skin, scales, and bones, enhanced with Moringa oleifera extract to support Addressing both aquaculture waste and limited rural healthcare access, the hydrogel is evaluated for swelling capacity, water content, viscosity, spreadability, pH, and pH. We hypothesize that Moringa's bioactive compounds will enhance the hydrogel The expected outcome is a natural, non-toxic alternative with efficacy comparable to commercial products, offering a The expected outcome is a natural, non-toxic alternative with efficacy comparable to commercial products, offering a sustainable solution for underserved communities.
P-8 Philippines Mariveles National High School - Poblacion PROJECT PITIK: The Synthesis of Chitosan-Based Wound Dressings from Exoskeletons of Mantis Shrimps (Stomatopoda) as an Alternative to Commercial Gauze This study turns mantis shrimp shells into chitosan-based wound dressings as a sustainable alternative to gauze. The shells undergo pre-treatment, then demineralization, deproteinization, bleaching, and deacetylation to extract chitosan. These films are tested for antimicrobial activity, flexibility, and healing efficiency. The study hypothesizes that Stomatopoda chitosan dressings can equal or surpass gauze while reducing waste and supporting eco-friendly healthcare.
P-9 Philippines Trece Martires City National High School ACCUARIS: Autonomous Coconut Coir-based Unibuoy for Absorption and Oil Spill Remediation with Integrated Smart Navigation ACCUARIS is an Autonomous Coconut Coir-based Unibuoy designed for sustainable, low-cost diesel oil spill cleanup. -It uses coconut coir sheets -natural, hydrophobic, and biodegradable-as the primary absorbent. The device features an MQ-9 gas sensor for contamination detection, an Arduino Uno microcontroller, and a GSM-IR retrieval system for smart navigation and autonomous return. Testing in a simulated spill showed ACCUARIS efficiently reduced diesel concentration from 220-300 ppm to 100-130 ppm in an average of 100 seconds. Its retrieval function returned the device to the user in about 19.6 seconds. ACCUARIS offers an efficient, eco-friendly, and autonomous alternative to traditional marine pollution control methods.
P-10 Philippines San Pablo City Science Integrated High School BIOCONTROL AND BIOSTIMULANT EFFICACY OF ALGINATE AND PECTIN BASED ENCAPSULATION OF Trichoderma longibrachiatum AGAINST Rhizoctonia solani, THE CAUSAL PATHOGEN OF RICE SHEATH BLIGHT: IN VITRO AND IN VIVO INVESTIGATION Rice (Oryza sativa L.), the country's main staple, is highly susceptible to sheath blight caused by Rhizoctonia solani. This study investigated the biocontrol and biostimulant potential of Trichoderma longibrachiatum encapsulated in pectin-sodium alginate beads Dual culture assays showed that direct and 1:3 encapsulation ratios achieved the highest inhibition of R. solani. Treated seedlings showed 83.11% germination and a vigor index of 599.96, comparable to Serenade. reduced sheath blight severity observed from lesion lengths, demonstrating efficacy as green alternatives for chemical fungicides.
P-11 Philippines MIMAROPA Regional Science High School Non-invasive Ag/AgI-Gated Organic Electrochemical Transistor with Graphite Electrodes and 3D-printed Well for Salivary Iodide-based Intraoral Iodine Monitoring as an Electrochemical Biosensor Iodide ions play an important role in human development. Excessive or inadequate intake may lead to irreversible changes. Iodine level monitoring relies mostly on urinary iodine concentration, which requires heavy laboratory instruments that may be unavailable for underprivileged areas. Organic electrochemical transistors (OECTs) are devices which use ionic and electronic charges to transduce biological signals into an electronic output. This study couples the iodide ion-sensitive Ag/AgI gate with an OECT to detect changes in iodide concentration through an aqueous electrolyte. Iodide concentration in the electrolyte shifts the gate potential which changes the voltage applied to the semiconductor channel, leading to Iodide concentration in the electrolyte shifts the gate potential which changes the voltage applied to the semiconductor channel, leading to measurable electronic changes, opening doors for future medical use.
P-12 Philippines MIMAROPA Regional Science High School CalciGrow: Development and Evaluation of an Antibiotic-Infused Lyophilized Biodegradable Bone Scaffold from Agarose, Chitosan, and Eggshell- Derived Nano-Calcium Carbonate Osteogenesis, the process of bone formation, is a major focus in tissue engineering due to the limitations of conventional grafts, which often cause immune rejection, high costs, and poor accessibility in countries like the Philippines. This study developed CalciGrow, a biodegradable and This study developed CalciGrow, a biodegradable and antibiotic-infused bone scaffold composed of agarose, chitosan, and eggshell-derived nano-calcium carbonate (ACE). Two formulations were produced with varying chitosan and CaCO₃ levels. Setup 2 exhibited superior porosity, pore interconnectivity, and stability, highlighting its potential as a sustainable and Setup 2 exhibited superior porosity, pore interconnectivity, and stability, highlighting its potential as a sustainable and biocompatible scaffold for bone regeneration.
P-13 Philippines Colegio De San Juan De Letran Bataan - SHS Faculty AIMED: Intelligent Detection and Recognition of Observed Kinetic Facial Expressions The study presents AIMED, an AI system that detects early warning signs of medical emergencies like strokes and seizures through facial expression It generates rapid diagnostic reports, allowing first responders and clinicians to make accurate decisions without continuous monitoring. The study confirms AIMED's computational framework, which includes the system's architecture, the accuracy of its Expert evaluations and model training show enhanced reliability and speed. AIMED's innovative on-demand design has potential integration with emergency response systems, offering a practical, data-driven tool to improve medical diagnostics and support life-saving decisions.
P-14 Philippines Tanza National Comprehensive High School "Watts up, Hya!": Green Synthesis and Characterization of Carbon Dots (CDs) from Water hyacinth (Eichhornia crassipes) leaves for Enhancing Zinc-ion Battery (ZIB) Performance Water hyacinth (Eichhornia crassipes), an invasive aquatic plant, poses ecological challenges but contains high zinc levels and lignocellulosic This study investigates its potential as a sustainable carbon dot (CD) source to enhance Zinc- Ion Battery (ZIB) performance by analyzing photoluminescence, capacity, cycle life, and efficiency-transforming an ecological The cathode was composed of MnO₂ (0.03 g), PVA (1 g), and carbonized water hyacinth leaf powder (1 g) using CDs were produced via vacuum filtration and hydrothermal processing. performance was evaluated using charge-discharge cycles, cyclic voltammetry, and EIS. ANOVA revealed significant differences among three CD-based ANOVA revealed significant differences among three CD-based ZIBs, with the best achieving 1.5685 V, 273-cycle life, and 96% coulombic efficiency.
P-15 Philippines Narra Integrated School THERMOGEN- WASTE HEAT RECOVERY POTENTIAL FOR POWER GENERATION OF GASIFIER STOVE USING TEG (THERMOELECTRIC GENERATOR) This study, titled "THERMOGEN - Waste Heat Recovery Potential for Power Generation of Gasifier Stove Using Thermoelectric This study titled "THERMOGEN - Waste Heat Recovery Potential for Power Generation of Gasifier Stove Using Thermoelectric Generator," explores the use of thermoelectric generators (TEGs) to convert waste heat from commercial Kalan into electricity. Results showed voltage and current The study highlights how utilizing excess stove heat can improve energy efficiency, reduce fuel use and greenhouse gas emissions, and provide additional power for small devices, supporting sustainable household energy practices.
P-16 Philippines Central Mindanao University Laboratory High School Combined Effects of Lactobacillus spp., Bacillus spp., Saccharomyces sp., Aspergillus sp. in the Gastrointestinal Tract of Sprague Dawley Rats:A Novel Multi-Microbial Probiotic. This study examined the effect of multi-strained probiotic supplementation in rats, assessing clinical health, sub-acute oral toxicity, and The hypothesis was that probiotics, despite health benefits, may have underappreciated risks when multiple strains are combined. After 14 days, rats receiving probiotics showed mild to moderate coat, respiratory, and behavioral changes versus controls, with the test Histology revealed gut lining damage and inflammation in probiotic groups, especially T1. The results showed that the need for rigorous safety evaluation and careful formulation of probiotic products to prevent adverse health effects is high.
P-17 Philippines Malabon National High School Synthesis of Cu-BDC Metal-Organic Framework (MOF) from PET-Recovered Terephthalic Acid (TPA) for Malachite Green Dye Adsorption Malachite Green (MG) is a toxic, persistent dye widely used in industries, while polyethylene terephthalate (PET) bottles contribute to plastic This study presents a sustainable approach by synthesizing copper benzene-1,4-dicarboxylate (Cu-BDC) metal- organic frameworks (MOFs) using terephthalic acid (TPA) recovered from PET bottles and testing their adsorption of MG. FTIR confirmed copper -carboxylate coordination, and batch adsorption reduced MG concentration by ~16.6% (p < 0.01). PET-derived Cu-BDC MOFs show potential as eco-friendly adsorbents for wastewater treatment.
P-18 Philippines Nueva Ecija Senior High School Development of Coconut (Cocos nucifera) Shell Husk Fiber and Biochar-reinforced Concrete: Potentially Mechanically Augmented Construction Material for CO₂ Sequestration and Sound Absorption This study developed an eco-friendly concrete reinforced with coconut husk fiber and coconut shell biochar to mitigate CO₂ and noise pollution. Results showed that biochar effectively sequesters CO₂, while coconut fiber enhances sound absorption and compressive strength. Statistical analysis revealed no significant difference in strength among the treatments. The experimental concrete proved to be 95.7% cheaper than commercial concrete, making it a sustainable and cost-efficient The experimental concrete proved to be 95.7% cheaper than commercial concrete, making it a sustainable and cost-efficient construction material.
P-19 Philippines Central Mindanao University Laboratory High School Optimizing the Germination of Rice (Oryza Sativa) through Polarity-oriented Magnetopriming This study explored how magnetic polarity affects the germination of rice (Oryza sativa). Four treatments were tested: untreated seeds (T-), chemically treated seeds (T+), and magnetoprimed seeds exposed to South-North (T1) and North-South (T2) magnetic orientations. -Results showed that magnetoprimed seeds, especially under the North-South polarity, had the Results showed that magnetoprimed seeds, especially under the North-South polarity, had the highest germination rate, fastest germination time, and longest root and shoot growth. The findings suggest that magnetic fields can be a simple, sustainable alternative to chemical treatments in improving rice germination and early growth.
P-20 Philippines Quirino High School Project IrrigaTech: Evaluating The Response Time of an Automated Irrigation System in Various Soil Types and Humidity This study investigates an Arduino-based automated irrigation system that optimizes water use through real-time soil moisture monitoring. The objective was to evaluate its response time across loam, sandy, and clay soils under varying humidity. Results show rapid activation in loam (1.3s) and sandy (1.13s Higher humidity also slowed activation. The system effectively conserves water and reduces labor, with future work focusing on improving sensor accuracy and predictive irrigation control.
P-21 Philippines Muntinlupa Science High School AgriShield EcoGrain: Neem (Azadirachta indica) and Guava (Psidium guajava) Leaf Powder as a Natural Bioprotectant Against Rice Weevil (Sitophilus oryzae) oryzae) Infestation This study intends to combat rice weevil infestation by assessing the efficacy of combined neem (Azadirachta indica) and guava (Psidium guajava) leaf Rice grains (100 g each) were treated with varying ratios of guava (Psidium guajava) leaf powder in mitigating rice weevil infestation using the mortality rate of weevils and weight loss of rice (Oryza sativa) as a metric. ) were treated with varying ratios of neem and guava powder, with a total of 20 rice weevils each setup and analyzed over 15 days using ANOVA. The 4g Neem : 6g The 4g Neem : 6g Guava notably recorded the highest mortality rate (80%) and lowest grain weight loss (0.30%) among all the treatments. Succinctly, neem and guava leaf powder ratio did exhibit a significant effect on the mortality rate of rice weevils and weight loss of rice and indicated its efficacy in Succinctly, neem and guava leaf powder ratio did exhibit a significant effect on the mortality rate of rice weevils and weight loss of rice and indicated its efficacy in mitigating rice weevil infestation.
P-22 Philippines Tanauan City Integrated High School In Vitro Investigation of the Molluscicidal Activity of Blumea balsamifera (Sambong) Ethanolic Extracts on Pomacea canaliculata (Golden Apple Snails ) This study evaluated the molluscicidal potential of Blumea balsamifera (sambong) ethanolic leaf extracts against Pomacea canaliculata (golden apple snails). It hypothesized that higher extract concentrations would yield greater mortality. Controlled bioassays were conducted using varying concentrations It hypothesized that higher extract concentrations would yield greater mortality. Results showed a significant dose-dependent increase in mortality, with 75% and 100% concentrations showing effects comparable to niclosamide, indicating sambong's potential as Results showed a significant dose-dependent increase in mortality, with 75% and 100% concentrations showing effects comparable to niclosamide, indicating sambong's potential as an eco-friendly, sustainable molluscicide.
P-23 Philippines Trece Martires City National High School Bio-Modified Concrete: The Physicochemical Effects of Waste Green Mussel (Perna viridis) Chitosan Incorporated to Fly Ashcrete Green Mussel (Perna viridis) is abundant seafood in tropical areas especially in the Philippines. The researchers aimed to produce a bio-modified fly ashcrete incorporated with chitosan extracted from waste green mussel The researchers aimed to produce a bio-modified fly ashcrete incorporated with chitosan extracted from waste green mussel shells and fly ash to enhance the existing composition of Ordinary Portland Cement (OPC) to be tested for their Workability, Density, Compressive As for the expected results, the bio-modified fly ashcrete is expected to have enhanced composition and performance As for the expected results, the bio-modified fly ashcrete is expected to have enhanced composition and performance compared to ordinary concrete.
P-24 Philippines Samar National School P.E.N. (Producing, Eco-Friendly, and Natural Ink): Feasibility of Guava Leaves (Psisidium guajava L.) and Coffee (Coffea arabica) Extract as an Alternative Highlighter Ink This study investigates guava leaf and coffee extracts as natural alternatives to synthetic highlighter inks. The research evaluates their visibility, stability, and usability, showing promising potential for eco-friendly school and The research evaluates their visibility, stability, and usability, showing promising potential for eco-friendly school and office use while supporting sustainable education and responsible consumption goals.
P-25 Philippines Malabon National High School Enhanced Degradation of Polyethylene Using Citrus × sinensis Peels and Fenton's Reagent with Docking Analysis of Enzyme Interaction This study explored enhanced polyethylene (PE) degradation using orange (Citrus sinensis) peel extract combined with Fenton's reagent. We hypothesized that pectin, citric acid, and flavonoids accelerate oxidative degradation via hydroxyl radical generation. Treated PE showed strong oxidative activity (UV-Vis λ = 421.83 nm) and a Carbonyl Index decrease from 0.93 to 0.53 (FTIR), indicating polymer fragmentation. Docking revealed hesperidin and citric acid strongly bind Alkane Monooxygenase, Laccase, and Hydrolase (-7.6 to -9.3 kcal/ This eco-friendly method offers sustainable plastic degradation.
P-26 Philippines Malabon National High School Immunomodulatory Effects of Muntingia calabura on Lactate Dehydrogenase (LDH) and Procalcitonin (PCT) Levels in an E. coli (USTCMS 1030)-Induced Cytotoxic Stress Model: An In Vitro and In Silico Analysis This study evaluated the immunomodulatory and cytoprotective effects of Muntingia calabura leaf extract against E. coli-induced Phytochemical screening revealed flavonoids, saponins, and tannins. Molecular docking showed rutin strongly binds TLR4 -MD-2 (-10.8 kcal/mol) and COX-2 (-11.3 kcal/mol). ADMET profiling indicated favorable drug-like properties, supporting its potential as a natural anti-inflammatory and cytoprotective agent.
P-27 Philippines MIMAROPA Regional Science High School In Vitro, In Silico, and In Vivo Analysis of Tinospora crispa Stem Extract Targeting Parkinson's Disease Pathways This research studies the protective effects of Tinospora crispa stem extract against Parkinson's disease. Computer-based docking and ADMET profiling identified compounds that interact well with Parkinson's target proteins. Fruit fly experiments tested the extract Results suggest that T. crispa has strong neuroprotective and antioxidant effects, showing promise as a natural and affordable treatment. Results suggest that T. crispa has strong neuroprotective and antioxidant effects, showing promise as a natural and affordable treatment option.
P-28 Philippines Bansud National High School - Regional Science High School for MIMAROPA N2Neuro: In Silico, In Vitro, and In Vivo Evaluation of Chrysopogon aciculatus Compounds Against Post-Stroke Neuronal Damage Targeting BDNF-TrkB,. NMDA, and SOD This research investigates the neuroprotective potential of Chrysopogon aciculatus (Amorseco) against oxidative and hypoxic post-stroke neuronal damage through in silico, in vitro, and in vivo approaches. Molecular docking identified key bioactive compounds interacting with BDNF-TrkB, NMDA, and SOD targets, supported by antioxidant and anti-inflammatory Drosophila and Daphnia models confirmed protective effects. Results suggest that Amorseco may serve as an accessible, plant-based neuroprotective candidate for stroke recovery.
P-29 Philippines Bansud National High School - Regional Science High School for MIMAROPA CORTEXIS: EEG-Controlled Exoskeleton for Hand Rehabilitation in Post-Stroke Patients Using NeuroSky MindWave for Real-Time Brain- Computer Interface and Personalized Motor Recovery This study presents CORTEXIS, a low-cost neuroadaptive exoskeleton for post-stroke hand rehabilitation using real-time EEG-based control. system utilizes the NeuroSky MindWave headset and 3D-printed components for affordable neural-actuated motion. Experiments confirmed stable EEG band-power across Alpha-Gamma ranges (p > 0.05, d < 0.2) and consistent response latency across trials (F(9,1190)=0.831, p=.587) with Further trials are expected to achieve higher activation accuracy, latency below 40 ms, and enhanced Further trials are expected to achieve higher activation accuracy, latency below 40 ms, and enhanced usability, establishing CORTEXIS as an efficient and accessible neurorehabilitation platform.
P-30 Philippines Tanauan City Integrated High School Deep Neural Network for Cognitive Behavioral Therapy Utilizing Text-to-Speech and Speech-to-Text Program This study developed a cognitive assessment machine using Deep Neural Networks to evaluate stress, depression, and anxiety, encouraging users to seek The system integrates a camera, Speech-to-Text, and Text-to-Speech modules to detect emotions through facial and voice analysis. It achieved 89.9 percent accuracy, a processing time of 0.42 seconds per statement, and a usability score rated "Good. A secure web interface ensures confidentiality, while the integration of emotion recognition and Cognitive Behavioral Therapy This machine introduces a novel approach for early detection and real-time intervention in mental health detection and real-time intervention in mental health monitoring.
P-31 Philippines Bansud National High School - Regional Science High School for MIMAROPA Development of Katmon Leaf Extract-Infused Cryogels for Arterial Wound Healing This study focuses on the use of Katmon (Dillenia philippinensis) leaf extract cryogel tissue scaffolds for healing arterial wounds. FTIR, SEM, Swelling Ratio test, In vitro Anti-Microbial Assay, Blood Clotting Time Assay, In Vitro Scratch Assay and in silico Molecular Docking properties were evaluated. The compounds such as alkaloids, flavonoids, tannins, saponins, and terpenoids were confirmed to be positive through phytochemical screening. The results showed antimicrobial action and promoted faster clotting and tissue repair. This highlight Katmon's potential as a natural bioactive agent for wound care applications.
P-32 Philippines San Pablo City Science Integrated High School REHABITAT: SMART COMPUTER VISION AND COMPUTATIONAL GEOMETRY FOR ANGLE-BASED AUTOMATION OF POST-STROKE MOTOR FUNCTION ASSESSMENT USING YOLOV11 Stroke is a major cause of illness and the second leading cause of death in the Philippines, with about 87,402 deaths yearly. This study introduces ReHabitat, an automated system that uses computer vision and computational This study introduces ReHabitat, an automated system that uses computer vision and computational geometry to assess upper-extremity motor function in post-stroke patients through angle-based Fugl-Meyer Assessment (FMA) scoring using YOLOv11 Developed in Flutter, the system applies angle optimization at a 95% confidence interval. 90% reliability, while validation with a physical therapist achieved 100% accuracy in shoulder abduction and similarly high performance across other exercises, proving ReHabitat's accuracy and accessibility.
P-33 Philippines Eastern Visayas Regional Science High School CEURA-LPN: Centralized Environment for Unified Resource Allocation as a Localized Pooling Network This study designed and evaluated CEURA-LPN, a modular offline relay system enhancing data sharing in rural Philippine communities. Built on delay- tolerant networking and store-carry-forward principles, it enables secure file exchange without internet using an Orange Pi One H3, TP-Link CPE205, solar-powered TalentCell, and AES-256 encryption. Employing a developmental and quasi-experimental method with 180 participants, results showed a CEURA-LPN proves effective, energy-efficient, and scalable- bridging the digital divide and promoting CEURA-LPN proves effective, energy-efficient, and scalable- bridging the digital divide and promoting sustainable, inclusive connectivity.
P-34 Philippines Bongabon Senior High School AERIS: An Atmospheric Electrostatic Fog-to-Water and Air Management System with Integrated Distillation, Humidity Control, TVOC Detection, and IoT- Based Hazardous Gas Detection for Sustainable Water and Air Quality Solutions Air and water quality continue to decline, especially in the Philippines due to poor resource management, population growth, and climate shifts. This study developed AERIS, a system designed to reduce humidity, detect hazardous gases, and convert fog to clean water through distillation. The process involved material preparation, construction, coding, testing, and quantitative evaluation. Three trials measured temperature, humidity, absolute humidity, eCO₂, and TVOC, while dehumidification and distillation efficiency were assessed. Results showed fast gas detection, humidity reduction from 84% to 62.8% in 50 minutes, and 92-98% TDS removal, producing potable water. and water generation, offering a sustainable solution to environmental quality challenges.
P-35 Philippines Trece Martires City National High School - Main SIGHTS (Smart Imaging and General Health-Tracking Software): Utilizing Machine Learning Algorithms for the Detection of Ocular and Nonocular diseases using Retinal Images Rising ocular and systemic diseases in remote areas, like in the Philippines, demand accessible, non-invasive diagnostic tools, as traditional methods are expensive and require skilled professionals. This study develops a CNN and Faiss Python powered software for fast, accurate diagnosis using retinal images. It analyzes retinal blood vessels and tissues to detect diabetic retinopathy, hypertension, and macular degeneration. disease datasets, the model was 99% accurate with training images, but less so with external images, especially for diabetic retinopathy. Diagnosis time ranged from 7.18 to 15.57 seconds. This fast, affordable, and reliable software could significantly improve early disease detection globally, reducing late diagnosis risks.
P-36 Philippines Muntinlupa Science High School NichroDry: Energy-Efficient Small-Scale Paddy Dryer with Nichrome Coil Heating Element and Innovative Rotating Cylindrical Drum Technology Rice harvesting plays a vital role in the Philippines' food security and economy. The designed system integrates a nichrome coil heating element and a rotating cylindrical drum to ensure uniform, controlled drying. The designed system integrates a nichrome coil heating element and a rotating cylindrical drum to ensure uniform, controlled drying. Built using locally available materials, it was Built using locally available materials, it was tested at 35°C, 40°C, and 45°C using 10 kg of paddy grains at 23% moisture. -The prototype proved cost-effective, safe, and reliable, demonstrating its potential to replace traditional sun drying. The prototype proved cost-effective, safe, and reliable, demonstrating its potential to replace traditional sun drying and improve productivity for small-scale farmers while promoting sustainable post- harvest practices.
P-37 Philippines Naguilian National High School Arduino-Based Smart (Hemo) Typing: Designing a Portable Automatic Blood Type Identifier This study aims to develop a portable Arduino-based device that can automatically determine blood type using sensor technology. It addresses the need for fast and accessible diagnostics in emergency and rural settings where laboratory tools are limited. The system integrates a microcontroller, sensor array, and display module to detect antigen-antibody reactions and output ABO and Rh results. Testing will compare device data with hospital This innovation envisions a low-cost, automated solution for safer transfusions and improved healthcare access. This innovation envisions a low-cost, automated solution for safer transfusions and improved healthcare access.
P-38 Philippines Muntinlupa Science High School VANGUARDS: Vector-Mapping Alert Navigator with Gas Detection for Urgent Aid, Rescue, Delivery and Search Earthquakes cause major damage and threaten lives, making fast rescue vital. Tested for mapping, obstacle navigation, and battery life, it achieved 90% accuracy, cleared 8 mm Results show VANGUARDS is an effective and reliable tool for disaster response.
P-39 Philippines Samar National School HerbaPop: Development and Evaluation of Herbal Lollipops Formulated with Lagundi (Vitex negundo), Yerba Buena (Clinopodium douglasii), and Lemon ( Citrus limon) for Natural Cough Relief This study, HerbaPop: Development and Evaluation of Herbal Lollipops Formulated with Lagundi (Vitex negundo), Yerba Buena (Clinopodium douglasii), and Lemon (Citrus limon) for Natural Cough Relief, aims to create a natural, low-sugar alternative to synthetic cough medicines. Using coconut sugar as a sweetener, HerbaPop combines the natural, low-sugar alternative to synthetic cough medicines with the natural, low-sugar alternative to synthetic cough medicines. The study evaluates the product's sensory qualities-taste The study evaluates the product's sensory qualities-taste, aroma, texture, and color-and its effectiveness in easing cough and throat Results show that HerbaPop offers a palatable, sustainable, and accessible herbal remedy that promotes traditional medicine through an Results show that HerbaPop offers a palatable, sustainable, and accessible herbal remedy that promotes traditional medicine through an innovative, child-friendly form.
P-40 Philippines Valencia National High School Development of a Digital Twin Simulator Through AI Analytics and IoT Integration for Smart Management in Rice Fields Rice farming faces rising threats from climate variability, water scarcity, and decision-making issues that demand urgent action towards smarter solutions. This study aims to develop a Digital Twin Simulator for Rice Field Management that models rice growth, environment, and resource use through We hypothesize that a data-driven digital twin using AI analytics, differential equations and fuzzy logic The system features adaptive learning, cost-benefit and The project aims to enhance agricultural productivity, reduce resource waste, and promote sustainable rice farming. The project aims to enhance agricultural productivity, reduce resource waste, and promote sustainable rice farming in the Philippines.
P-41 Philippines Trece Martires City National High School FLOW (Flexible Low-cost Optimized Water Turbine): Development of a Low-Cost Turbine System for a Small-Scale Electricity Production Over 700 million people still live without electricity, especially in remote areas. Many rely on costly and harmful sources like diesel or biomass, which increase inequality, harm the environment, and affect health. FLOW aims to create a low-cost prototype made from simple materials to generate electricity from river currents. It uses an undershot turbine and a rechargeable lithium-ion battery. Tests showed it can produce 3.3V at 1 m/s, 12V at 1.5 m/s, and 28V at 2 m/s. This makes it useful for both weak and strong FLOW is a massive step toward affordable, sustainable energy for rural communities with limited electricity access
P-42 Philippines Nueva Ecija Senior High School CropSense: Intelligent Plant Health Analyzer Application This study developed CropSense, an intelligent mobile app for crop disease detection using YOLOv11 and TensorFlow Lite for real-time, offline Trained on 25,564 PlantVillage images across corn, apple, tomato, and potato, the model achieved over 96% accuracy with balanced precision, recall, and F1-scores. CV values below 3% showed stable predictions, while Cohen's Kappa (0.888 -Overall, CropSense proved accurate, consistent, and reliable, providing farmers with a practical, data-driven tool for Overall, CropSense proved accurate, consistent, and reliable, providing farmers with a practical, data-driven tool for early disease detection and crop management.
P-43 Philippines Eastern Visayas Regional Science High School AgriListo: Development of a Solar-Powered and Level-Based Flood Sensor System Utilizing Electrical Conductivity with Website Integration and CallMeBot-Enabled Early Warning Alert Food security and agricultural productivity remain at risk from flooding, especially in rural areas with limited real-time monitoring systems. study designed, developed, and evaluated AgriListo, a solar-powered flood sensor system using electrical conductivity to detect water levels and send Evaluated under ISO/IEC 25010:2011 standards, AgriListo achieved "Very Good" to "Excellent" ratings in accuracy, reliability, and usability, proving its effectiveness as an affordable, sustainable flood warning system that enhances local resilience and disaster preparedness.
P-44 Philippines San Pablo City Science Integrated High School LIFEBRIDGE: DEVELOPMENT AND EVALUATION OF IOT-BASED AND FUZZY LOGIC ALGORITHM-INTEGRATED WEARABLE PLATFORM USING ESP32C3 MICROCONTROLLER FOR REAL- TIME PATIENT STRATIFICATION AND EMERGENCY TRIAGE This study developed LifeBridge, an IoT-based wearable triage platform integrating a MAX30102 pulse oximeter, MLX90614 infrared temperature sensor, and ESP32-C3 microcontroller with a fuzzy logic algorithm for real-time patient stratification. Objectives included prototype development, dashboard and mobile app integration, and accuracy validation. Thirty supervised trials across three patients showed a 95-98% Simulated datasets confirmed fuzzy logic classifications matched expected clinical interpretations. The Flutter-based app provides patient history and portfolio via a local server. Evaluation by 30 healthcare-related respondents rated the system Excellent in accuracy, validity, usability, and reliability, and
P-45 Philippines Bongabon Senior High School GABY25: A Solar Powered, IoT-Controlled Automated Feeding Device with Water Quality Monitoring Sensor for the Rearing of Tilapia Fingerlings ( Oreochromis Niloticus) Food security is one of the world's urgent problems, and aquaculture is among the most promising solutions, being the fastest-growing food In the Philippines, aquaculture is vital to the economy, serving as a key food source. In the Philippines, aquaculture is vital to the economy, serving as a key food source and income for rural communities. Manual methods cause uneven feed distribution, reducing efficiency and water quality. This study introduces GABY25: A Solar-Powered, IoT-Controlled Automated Feeding Device with Water Quality Monitoring for Rearing Tilapia Fingerlings. Fifty fingerlings were stocked per tank and monitored for 25 days. functioned effectively, producing higher growth (6.42 g vs. 4.07 g; 5.20 cm vs. 3.71 cm) and survival (90% vs. 56%). It is recommended to waterproof the device, add a turbidity sensor, and conduct three trials.
P-46 Philippines Colegio De San Juan De Letran Bataan - SHS Faculty MiAid: Development and Evaluation a Mental Health Conversational AI Chatbot for High School Students Based on the Perceptions of Selected Guidance Counselors High school students increasingly use AI chatbots for mental health due to their accessibility and nonjudgmental nature. This study developed MiAid, a chatbot providing cognitive and emotional support while assisting guidance counselors. MiAid begins with screening questions to differentiate students needing Evaluations by selected counselors indicated it is effective and reliable, supporting its feasibility as a complementary Evaluations by selected counselors indicated it is effective and reliable, supporting its feasibility as a complementary mental health tool in schools.
P-47 Philippines Narra Integrated School Research Title: LOBLURE: A Lobster Trap Device Utilizing Solar-Powered Submersible LED Lights The study developed LOBLURE, a solar-powered lobster trap with submersible LED lights that mimic natural bioluminescence to attract lobster Traditional traps are inefficient and rely on non-renewable battery lights. The research compared blue, green, and yellow LEDs, finding that green light attracted the most fingerlings, followed by blue, while yellow was least The study concludes that LOBLURE provides a sustainable, efficient, and eco-friendly The study concludes that LOBLURE provides a sustainable, efficient, and eco-friendly fishing method that can enhance harvests, reduce labor, and improve the livelihoods of local lobster harvesters.
P-48 Philippines Gov. Efren B. Pascual Sr. Orani Integrated Central School BIODEGRADABLE SEEDLING TRAY FROM SUN-DRIED MANGO (Mangifera Indica l.) LEAVES WITH BANANANA (Musa Acuminata) PEELS, CORNSTARCH, AND USED COOKING OIL ADDITIVES Plastic pots are widely used in gardening but cause severe pollution since they are non-biodegradable. To address this, the study " Biodegradable Planting Pot from Sun-Dried Mango Leaves with Banana Peels, Cornstarch, and Used Cooking Oil Additives" developed an eco- The materials were blended, molded, and coated for waterproofing. Tests showed that the pot with balanced proportions had the best texture, durability, and water resistance, maintaining strength and smoothness after 14 days .
P-49 Philippines The Mabini Academy of Lipa, Batangas HELIX: A Novel In-situ Automated Responsive Spray System for Controlled Release of Citrus Peel Essential Oils in the Sustainable Management of Cacao Mirid Bug (Helopeltis bakeri Poppius) in Cacao (Theobroma cacao) Plantations HELIX is an Arduino-based automated responsive spray system designed for the controlled release of citrus peel essential oils (CPEOs) as a sustainable The study aimed to determine infestation conditions, assess toxicity and repellency. The study aimed to determine infestation conditions, assess toxicity and repellency of CPEOs, and evaluate HELIX's field efficiency. Results showed CPEOs achieved 92-96% mortality and up to 94.8% repellency without genotoxic effects. populations by 86-92%, proving its potential as an eco-friendly, smart pest management solution for cacao plantations.
P-50 Philippines San Pablo City Integrated High School SIGN-it: An AI-Based Gesture Recognition Language Learning Assistant Tool for Sign Language Users Sign language is a difficult language to learn due to its many gestures, its structure which is different to that of written languages, and its many Learners often find challenges when learning sign language, which is why the researchers created a program to help in learning the gestural SIGN-it (Self-paced Instruction groundwork for Gesture Newcomers) will cover both American Sign Language (ASL) and Filipino Sign Language ( FSL). It will undergo a developmental process consisting of collecting data, prototyping, app developing, and testing, in which its functionality, accuracy The program's results showed it to be functional, accurate, and quick when it comes to its features. The implications of this study is to teach individuals American Sign Language and Filipino Sign Language through a gamified way. easier and more comprehensive.
P-51 Philippines Valencia National High School Development of an Arduino-based Monitoring System for Spoilage Detection and Shelf Life Prolongation of Broccoli The study, "Development of an Arduino-Based Monitoring System for Spoilage Detection and Shelf Life Prolongation of Broccoli (Brassica oleracea var. italica)," aims to design and implement a microcontroller-based post-harvest preservation system that autonomously The study, "Development of an Arduino-Based Monitoring System for Spoilage Detection and Shelf Life Prolongation of Broccoli (Brassica oleracea var. italica)," aims to design and implement a microcontroller-based post-harvest preservation system that autonomously regulates and monitors storage parameters. In the Philippines, much produce is wasted due to oversupply, poor storage, and temporary methods like ice. The system integrates temperature, humidity, and color sensors, a thermoelectric cooling module, and an LCD interface to The system integrates temperature, humidity, and color sensors, a thermoelectric cooling module, and an LCD interface to maintain optimal conditions (0-2 °C, 95-100% RH). By detecting early spoilage and regulating conditions automatically, it helps reduce post-harvest losses, extend shelf life, and support sustainable and support sustainable farming.
P-52 Philippines Morong National High School - Senior High School Eco-Sentreenel: Arduino-Powered Tree Tilt Sensor with Light and Sound Monitoring System in Morong, Bataan Due to increasing tree fall incidents during typhoons in Morong, Bataan, the Eco-Sentreenel was developed to detect tree tilt and provide early warnings through light and sound alarms. Using an Arduino Uno R3, tilt ball sensor, LED, and buzzer, the system was hypothesized to be a cost-effective and Experimental trials evaluated six parameters: tilt accuracy, response time, sensitivity, light & sound range, and battery life. Results confirmed its effectiveness, especially in Scenarios A and B, though Scenario C showed variability. The system proves reliable, offline-capable, and practical for local implementation, with potential for improvement and wider application in disaster-prone areas.
P-53 Philippines Novaliches High School Optimizing Mechanical Strength in Bioconcrete through Polyethylene terephthalate (PET) and Lysinibacillus sphaericus Integration This study aimed to optimize the mechanical strength of bio-concrete by integrating Lysinibacillus sphaericus and 5% shredded PET to enhance It was hypothesized that this combination would improve concrete Results showed a 7.43% increase in compressive strength and a 20.481TP Findings highlight that PET reuse and bacterial self-healing can extend service life, reduce waste, and advance ecology. life, reduce waste, and advance eco-efficient infrastructure.
P-54 Philippines Mariveles National High School - Camaya Campus TALA: Terrain-Analyzing and Land-appraising Automation Our research aims to develop TALA, a low-cost soil-testing robot designed to measure pH, moisture, and NPK in deforested mountain areas. Early tests show noticeable differences in soil quality across locations, supporting this idea. We expect that TALA's real-time data will help identify areas that are more suitable for planting. study discusses how accurate soil testing can guide better reforestation planning and improve the success of future planting efforts.
P-55 Philippines Morong Senior High School PlaX: Polylactic Acid Bioplastic Material Production from Xanthan Gum and Eggshells for Plastic Pollution Reduction This research is focused on the creation of PlaX, a biodegradable bioplastic made from xanthan gum, vinegar, and eggshell waste, as a greener alternative to petroleum-based plastics. It was evaluated in terms of tensile strength, hydrophilicity, heat resistance, and biodegradability. Results revealed that PlaX had superior tensile strength, higher biodegradability, no The discussion put emphasis on how such traits make PlaX a more durable and sustainable bioplastic, supporting waste reduction. The discussion put emphasis on how such traits make PlaX a more durable and sustainable bioplastic, supporting waste reduction and environmental protection.
P-56 Philippines Bayambang National High School Hydrothermal Synthesis of Carbon Quantum Dots (CQD) Derived from Rice Husks (Oryza sativa L.) Extract Loaded in Polyvinyl Alcohol (PVA) for White Light Production Rice husks, abundant agricultural waste in the Philippines, were used to synthesize Carbon Quantum Dots (CQDs) via hydrothermal processing. Undoped, boron-doped (B-CQDs), and phosphorus-doped (P-CQDs) variants were blended to achieve white-light emission under UV. The optimized 1.0:0.5:1.5 blend showed the highest photoluminescence (≈8300 a.u.) at 444 nm, with balanced optical properties (VLT 62%, UVR 90%, IRR 29%). Statistical analysis (r = -0.93, R² = 0.87, p = 0.029) confirmed composition affects color stability, demonstrating rice husks can be Statistical analysis (r = -0.93, R² = 0.87, p = 0.02) confirmed composition affects color stability, demonstrating rice husks can be converted into photostable CQDs for sustainable white-light applications.
P-57 Philippines Morong National High School Agosentry: Life-saving overflow detection system with integrated whistle and floater for emergency response Philippines ranked second among countries most at risk of natural disasters. Heavy rain causes rivers to overflow that leads to floods and results to drowning or even death. This study aimed to develop Agosentry, a device that uses ultrasonic sensor to detect river overflow and activates the alarm that This study aimed to develop Agosentry, a device that uses ultrasonic sensor to detect river overflow and activates the alarm that indicates that the river is overflowing, Arduino uno for the program, and floater and whistle as a life-saving equipment. Results showed perfect in the parameters proving that AgoSentry is an effective river overflow indicator. Results showed perfect in the parameters proving that AgoSentry is an effective river overflow indicator.
P-58 Philippines San Carlos School of Cebu Cognitech: Development of an EEG-Based Wheelchair for Thought-Activated Mobility This study presents the design and development of a brainwave-controlled wheelchair prototype that responds to alpha brainwave activity, forming the The prototype employs a NeuroSky MindWave EEG headset to capture real-time alpha wave The Arduino processes the data and directs the wheelchair When the user maintains a relaxed and calm mental state, indicated by elevated alpha wave levels, the wheelchair moves forward; when the wheelchair moves forward The results demonstrate the feasibility of using The results demonstrate the feasibility of using alpha-wave-based control for assistive mobility, contributing to ongoing advancements in Brain-Computer Interface (BCI) applications for individuals with physical impairments.
P-59 Philippines Acelo C. Badelles Memorial High School W.I.S.E . F.L.O.W ( Water Inspection, Sensor Evaluation, Filtration Linking Operation and Water Automation) The WISE-FLOW system is an affordable IoT-based water filtration and monitoring solution developed to improve drinking water safety in rural communities, particularly Barangay Abuno, Iligan City. It uses TDS and pH sensors placed before and after filtration, an LCD display, and an online dashboard for real-time monitoring. Water passes through natural media and an ion-exchange cartridge, while an automatic solenoid valve shuts off flow Field data and user feedback indicated recurring water-related discomfort and distrust in local sources. Preliminary trials showed significant TDS reduction and successful pH stabilization, supporting the hypothesis that a low- Preliminary trials showed significant TDS reduction and successful pH stabilization, supporting the hypothesis that a low- cost, automated system can enhance access to safe drinking water and empower communities through smart, practical, and sustainable water management.
P-60 Philippines Jimenez National Comprehensive High School AQUAREV: A Solar-Powered Aquaponics System Integrating Automated Feeding, Smart Watering, and Rainwater Utilization for Sustainable Urban Agriculture. AquaRev addresses global food and water scarcity by developing a low-cost, solar-powered vertical aquaponics system for electricity-dependent urban areas. The main objective is to design and evaluate a sustainable Arduino Uno-based system that autonomously manages power, plant watering, and fish feeding. The hypothesis states that integrating smart rainwater harvesting and automation enhances water quality and boosts productivity of Tilapia Results show up to 90% water use efficiency, stable pH, TDS, and temperature, and increased yield. sustainability, automation, efficiency, and replicability for resilient urban agriculture.
P-61 Philippines Valencia National High School Development of an Aerial Surveillance Drone for Crowd Monitoring in High-Density Venues This study focuses on the development of an Aerial Surveillance Drone for Crowd Monitoring in High-Density Venues to enhance public safety through real- time data collection. The research aims to design a prototype capable of mapping, real-time monitoring, and crowd density estimation. Moreover, the study proposes that AI-powered drones can outperform traditional crowd monitoring methods limited by human fatigue. It is expected to develop a fully functional prototype that can accurately detect crowd movement and density, improving situational awareness and supporting local law enforcement in maintaining safety and efficient crowd control.
G-1 Philippines Valencia National High School SmartMed Drone: AI-Enabled Biodegradable Medical Courier Access to healthcare in remote areas is a significant challenge, often leading to delayed treatment. To solve this, we propose the SmartMed Drone, an AI-enabled, biodegradable medical courier. This system uses artificial intelligence for autonomous navigation and optimized routing while its frame is constructed from The drone is equipped with an array of sensors-including GPS for geolocation, ultrasonic sensors for obstacle detection, and a navigation system that uses artificial intelligence for autonomous navigation and optimized routing while its frame is constructed from biodegradable materials to minimize environmental impact. The drone is equipped with an array of sensors-including GPS for geolocation, ultrasonic sensors for obstacle detection, and temperature and humidity sensors to protect sensitive payloads like vaccines. expected to significantly reduce delivery delays, improve the reliability of medical logistics during disasters, and provide a scalable, eco- This innovation is expected to significantly reduce delivery delays, improve the reliability of medical logistics during disasters, and provide a scalable, eco-
G-2 Philippines Pagalanggang National High School SALIPAWIKAN: A Biomimetic Amphibious Drone Module for Enhanced Search and Rescue in Coastal and Flooded Environments The increasing frequency of coastal and flood disasters highlights the limits of current unmanned aerial vehicles (UAVs) in search and rescue (SAR), particularly their weakness against strong winds, rain, and water. This study presents SALIPAWIKAN, a detachable biomimetic UAV module inspired by the Made with a lightweight carbon fiber shell and foam- Flaps and fins mimic flippers for gust rejection and control, while its waterproof, self-righting panels, it reduces drag, enhances crosswind stability, and shields electronics. Equipped with LiDAR, an AI camera, and an optional magnetometer, SALIPAWIKAN combines aerial efficiency and aquatic adaptability. Equipped with LiDAR, an AI camera, and an optional magnetometer, SALIPAWIKAN combines aerial efficiency and aquatic adaptability, offering a scalable, low-cost SAR solution for disaster-prone areas. Amphibious drone, Biomimicry, Disaster response, Crosswind stability, AI vision, Flood resilience.
G-3 Philippines Bansud National High School - Regional Science High School for MIMAROPA TESSERACT: Textile-based Sweat-Powered Self-Recharging Device using Cotton-blended Golden Torch Fibers with PANi/MWCNTs & Graphite Coating Thus, this study aimed at developing an supercapacitor with a Zn-air battery-like configuration that is sweat-powered and self-recharging. Thus, this study aimed at developing an supercapacitor with a Zn-air battery-like configuration that is sweat-powered and self-recharging. Preliminary investigation reveals that the produced electrode components from coated Golden-torch fibers has notable conductivity of 0.009-0.018 s/cm suggesting potential in A PVA-NaCl gel electrolyte will be coupled with the textile electrodes to produce a flexible and biocompatible A PVA-NaCl gel electrolyte will be coupled with the textile electrodes to produce a flexible and biocompatible device and its electrochemical performance will be assessed.

 

 

 

 

 

 

 

 

 

 

 

 

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