Digital Commons Network^™

Asclepad: Synthesis Of A Sustainable Bio-Wound Dressing Pad Using Chitosan And Vitamin C Infused Milkfish (Chanos Chanos) Skin For Advanced Wound Care, Diether Mark A. Lucero, Ramon Jacob L. Caluag, Juan Miguel M. Elayda

DLSU Senior High School Research Congress

Medical waste is an overlooked issue posing a significant environmental and public health threat, with 4.7 billion tons generated annually, accounting for 3% of overall waste, and wound dressing pads being a major contributor. Vitamin C, involved in all phases of wound healing, demonstrates synergy with Chitosan, a polysaccharide ideal for medical and cosmetic applications. Milkfish (Chanos chanos) skin, a dominant commercial fish in the Philippines, shows synergy with Chitosan and Vitamin C in wound healing. Thus, aligning with SDGs 3, 12, and 13, this study aims to synthesize and evaluate AsclePad, a sustainable wound dressing pad infused …

Iah-Net (Informative Air Quality And Heat Index Network): Drone-Assisted System For Real-Time Air Quality And Heat Index Monitoring, Brent Breo B. Magbanua

DLSU Senior High School Research Congress

Air pollution and rising temperatures threaten public health and safety, necessitating advanced monitoring solutions. This study developed a drone-assisted system for autonomous air quality and heat index monitoring, ensuring real-time alerts even without human presence. By integrating the K-Nearest Neighbors (K-NN) machine learning algorithm, the system provides an innovative and cost-effective approach to identifying environmental risks and raising awareness. The system consists of a Drone system, ESP32, MQ-135 gas sensor, and DHT11 temperature and humidity sensor for data acquisition. Software development includes implementing the K-NN algorithm and calibrating sensors to enhance classification accuracy. The system categorizes air quality as SAFE, …

Love Across Borders: A Qualitative Exploration Of Cultural Dynamics In The Romantic Relationships Of Foreign Students And Their Filipino Partners, Charlene Lorraine Posadas Jandoc, Katrizza Tabangcura Pingil, Gabrielle Malig Dayoan, Frances Niña Gaffud Co, Rhiezhan Ghael Espiritu Jamorabon, Simon Sebastian Tampoc Hiyadan

DLSU Senior High School Research Congress

Globalization has significantly impacted education in the Philippines, notably with the influx of international students coming into the country for educational opportunities. This phenomenon has led to numerous studies examining the various aspects of their experiences, such as their cultural adaptation processes, academic difficulties, and economic contributions. However, their interpersonal relationships, particularly their more intimate connections, have been largely overlooked. This study aims to probe into this, focusing on the dynamics, navigation strategies, and external influences that shape these relationships. Utilizing both online and face-to-face interviews, as well as online surveys, the experiences of nine (9) intercultural couples, each of …

Evaluating The Absorption Capacity And Ph Level Properties Of Varying Ratios Of Garlic (Allium Sativum) And Onion (Allium Cepa) Peels For The Absorbent Core Of Sanitary Napkins, Rhys Mari C. Cortezano, Jezreel Keren C. Manait, Avryl Charlizze P. Sampan, Alyannah Dennise C. Castro, Isabelle C. Romero, Denise Diosa P. Dela Peña, Denisse C. Delfin, Fresie Camille O. Abonal, Samantha Louisse M. Sarmiento, Kenneth Andre E. Pascual

DLSU Senior High School Research Congress

Considering the need for sustainable and enhanced menstrual hygiene products, this study aimed to assess the absorption capacity and average pH value of varying ratios of onion (Allium cepa) and garlic (Allium sativum) peels in developing an eco-friendly absorbent core for sanitary napkins. Employing a pre-experimental one-shot case design, the experimental group is subjected to pH and absorbency tests. The evaluation focused on measures of absorbency and pH levels of the sanitary napkin cores made from three different fiber ratios: 6g onion-4g garlic, 4g onion-6g garlic, and 5g onion-5g garlic, each combined with 10g of organic cotton. Results indicated that …

Just B, Lance Matthew G. Sanico, Emiel Shayleigh V. Balais, Kim Angeline A. Mendoza, Iris Casey E. Pabilona

DLSU Senior High School Research Congress

Formed by Ohana in May 2024, Just B provides quality gadget sleeves to the market. The business began promoting through an introductory post on its Facebook and Instagram pages. Currently, Just B is at the stage of product commercialization, serving in the technology accessory industry. Several prominent features of its products are customizability, durability, and compactness. Simultaneously, Just B owns business rights to its brand logo, tagline, and name. Ohana functions as a sole proprietorship organization due to its advantages, such as minimal startup requirements. Behind Ohana are Chief Executive Officer Lance Sanico, Chief Marketing Officer Emiel Balais, Chief Logistics …

Customer Satisfaction On Self-Ordering Kiosk, Aubrae Frances E. Bannawi, Shanlyn D. Licpaen, Rochelle T. Dinayugan, Melgien F. Saspa, Sharla Angeline M. Ababulon, John Ethaniel C. Arnaiz, Katharine Althea J. Campos

DLSU Senior High School Research Congress

This study investigated the impact of self-ordering kiosks on customers' satisfaction in two fast-food chains in Baguio City, focusing on three aspects: user-friendliness, screen design, and technical issues. Technologies like self-ordering kiosks are becoming more popular than the previous years. Thus, restaurants are implementing them to improve restaurant operations and service. Self-ordering kiosks have a large touchscreen that allows customers to place orders, customize, and pay for their meals with minimal or no employee involvement. A descriptive research design was employed, and data were gathered from 473 customers using survey questionnaires. The data gathered is analyzed using the weighted mean …

South’In, Sa’Tin: Satin-Lined Caps To Counter Hair Thinning, Gian Dormido, Ethan Rafael F. Navarra, Alyana Isabel B. Acuña, Sofia Angela M. Ordoña, Franzin Esra R. Quintana, Generie M. Manuel

DLSU Senior High School Research Congress

Founded in May 2024 to address scalp and hair health issues common among Gen Zs, South’In was organized by five De La Salle University SHS ABM students. The group conceptualized and crafted a bull cap brand that innovates traditional headwear through satin-lined caps. With an investment of ₱25,000.00, the venture initially earned ₱6,002.50 in net profit during its initial launch. Operating as a sole proprietorship with a functional structure, South’In offers its distinct fusion of satin’s hair and scalp benefits with everyday cap comfort, making it unique both in purpose and product. The cap design comes with three interchangeable fins …

Urbancycle, Yeoj Fidel M. De Vera, Mark Angelo M. Aristorenas, Edsel Colin F. Natividad, Kyle Nathan M. Marzo, Ethan Cade A. Saquilabon

DLSU Senior High School Research Congress

Founded in 2024, UrbanCycle is a student-led business that aims at sustainability through the upcycling of discarded denim into practical, stylish, and multi-functional tote bags. It is a sole proprietorship for hassle-free registration with Angelo Aristorenas as its owner, assisted by managers who are in product development and design, marketing, finance, and customer relations. With big-name and local brands as its competition in the bag industry, the brand makes its edge by standing out with its ‘every bag is unique’ concept and its strong commitment to sustainability. Its marketing strategy, especially on TikTok, has received massive engagement, wherein one post …

Archer Snaps By Blessing In These Guys, Varren Coehn L. Gan, Enzel Hansburg S. Khee, Darrion Kyler C. Lim, Paul Ryan L. So, Jeffrey S. Xu

DLSU Senior High School Research Congress

Archer Snaps was established on July 24, 2024, by five (5) senior high school students from De La Salle University-Manila (DLSU) with the goal of capturing meaningful student experiences through a personalized photo booth service. Inspired by the slogan, “You will never realize the value of a moment until it becomes a memory,” Archer Snaps turns everyday campus moments into lasting memorabilia that celebrate Lasallian pride. Launched as a sole proprietorship during the DLSU ABM Bazaar, the business offered photo strips with exclusive DLSU-themed borders explicitly designed for the Lasallian community. Within its first two (2) months, Archer Snaps sold …

Skitchi, Julianne Danielle C. Briones, Chester A. Del Rosario, Spyrus A. Garcia, Megan Samantha L. Te, Kristine Nicole Q. Vila

DLSU Senior High School Research Congress

Skitchi is a bag business established in 2024 by five students from De La Salle University-Manila’s Accountancy, Business, and Management strand, namely Kristine Vila, Megan Te, Julianne Briones, Chester Del Rosario, and Spyrus Garcia. Operating under a sole proprietorship, the team shares a unified vision of promoting sustainability through practical, affordable, and stylish canvas bags with patches crafted from “katsa” or recycled sackcloth. In response to the growing issue of fabric waste, Skitchi sources leftover katsa from local stores in Marikina. The bags are produced in Bulacan, with patches sewn by Marikina seamstresses, demonstrating the company’s commitment to sustainable practices …

From Forest To Table: A Meta-Analysis On The Native Fruit Food Resources Of The Philippines, Gwyneth Anne G. Taban, Jonathan B. Gutierrez, Jocelyn Louise S. Gan, Patricia Elizabeth Y. Yu

DLSU Senior High School Research Congress

The Philippines boasts a rich plant biodiversity as it is located in the tropical region of the Earth. This opens up many opportunities for ethnobotanical research, which studies the many practical and cultural aspects of the plants present within a region. Native fruits are fruits grown in a specific region that have been neglected by the country’s market, as it prioritizes industrialization over cultural and native traditions and practices. As a result, research on native fruits is becoming few and far between. The researchers see this as a missed opportunity to widen and enrich both the country’s biodiversity and culture. …

In The Hood, Arvie Gonzales Alignay, Chloe Sofia Margaret Caribo Llamas, Adrian Carlo Gomez Mariano, Juliana Adrienne Monta, Jaerus Aloysius Balani Panganiban

DLSU Senior High School Research Congress

In The Hood, founded in July 2024, is an outdoor apparel brand offering comfortable, functional, stylish, and affordable wear suited for the Philippines’ wet and dry climate. It is a sole proprietorship owned by Ms. Juliana Monta, assisted by a management team composed of Mr. Arvie Alignay as head of operations, Mr. Adrian Mariano as head of marketing, Mr. Jaerus Panganiban as head of finance, and Ms. Chloe Llamas as head of human resources. The management executives contribute specialized expertise based on their functional areas, enabling effective organizational oversight and decision-making. Operating within the highly saturated outdoor apparel market, In …

Florencia, Selina Samanta Lopez Chua, Denise Ysabel Poleño Cosio, Marian Aleia Patricio Gonzales, Jane Lyndi Mendiola Gutierrez

DLSU Senior High School Research Congress

Florencia, established in May 2024 as part of a business simulation project, is a business enterprise specializing in handmade, nature-inspired jewelry made from preserved flowers encased in resin. The business concept was developed after identifying a market gap, wherein such products are either limited in availability or positioned as high-priced items. Florencia seeks to address this by offering hypoallergenic, sustainable necklaces that reflect elegance while remaining accessible to a broader market. Florencia initially focuses on sales through bazaars at De La Salle University and online orders via Jotform. Marketing efforts include social media campaigns targeting consumers who value affordable and …

Effects Of Subliminal Advertising As Emotional Marketing Used By Coffee Shops To The Consumer Behavior Of Students From De La Salle University, Ivymae Joy A. Macatiag, Lia Amor V. Dait, Antoine Li Nikolai L. Soliman

DLSU Senior High School Research Congress

This study analyzes the influence of subliminal advertising as a form of emotional marketing on the consumer behavior of students from De La Salle University. It examines how subtle, subconscious advertising techniques used by coffee shops can affect purchasing decisions and emotional connections with brands. The research aims to: (1) analyze the effects of subliminal advertisement on consumer behavior, (2) examine their emotional impact on students aged 18–24, and (3) identify which emotions are most effective in promoting customer engagement and repurchasing. Using a quantitative method, data was gathered through a survey. Findings reveal that among emotions such as love, …

Instructor Evaluation Of Alchemi: An Immersive Serious Game For Teaching Chemistry, Kyra Shanelle Martinez Velez, Joshua Logdat Tan, Jedrik James Morales Gayamat, Evan Panugot Gerarcas

DLSU Senior High School Research Congress

The Philippine science education faces challenges, including low student achievement. This study explored Alchemi, a novel immersive serious game (visual novel format), designed to enhance chemistry laboratory learning. Alchemi integrates Game-Based Learning (GBL) and Strategic Intervention Material (SIM) principles. Six chemistry instructors evaluated Alchemi's effectiveness using the MEEGA+ Game Quality Scale, assessing player experience and usability. Results showed highly positive instructor perceptions of Alchemi's engagement (high median scores for focused attention, challenge, social interaction, confidence, perceived learning), fun (median 4.25), relevance (median 4.75), and satisfaction (median 4.5). Usability aspects (learnability, operability) also scored highly (median 4.5) and aesthetics …

Penju: Smell Good, Cuddle Hard, Bernadine Grey Crisostomo Castro, Sam Arbelle Caoili Santos, Ryianne Nicole Gueriña Sta Ana, John Rafael Nash Macahis Borromeo, Kimberly Landayan Dela Cruz

DLSU Senior High School Research Congress

Formed in 2024, Penju was conceptualized by four senior high school students as a response to rising levels of stress, anxiety, and sleep deprivation, especially among Gen Z. Penju offers a unique plush toy infused with aromatherapy, combining comfort and wellness. The business is currently developing, with prototype testing and early marketing activities such as social media promotion, school-based pre-orders, and community outreach already initiated. Penju operates within the health and wellness sector, focusing on stress relief and sleep improvement. Its innovation lies in integrating calming scents into a cuddly plush toy, supported by research on the impact of aromatherapy …

An Intersectional Textual Analysis Of Lesbian Representation In Baka Bukas And Si Chedeng At Si Apple, Sofia Lorraine V. Dela Peña, Mikaela Zaira V. Aguilar

DLSU Senior High School Research Congress

Media plays a crucial role in shaping public perceptions of gender and sexuality, yet representations of queer female characters in Philippine cinema remain underexplored. While portrayals of bakla characters have been widely studied, lesbian narratives often remain sidelined or framed through limited, stereotypical lenses. This lack of nuanced representation perpetuates narrow understandings of queer identity and reinforces gendered power structures within Philippine society. This research examines lesbian characters in the films Baka Bukas (2016) and Si Chedeng at Si Apple (2017), using Herman’s Narrative Framework and Intersectionality Theory. The study found that both films construct lesbian identities within specific socio-cultural …

Age And Susceptibility: The Impact Of Age On The Cyberattack Susceptibility Of Parañaque Citizens, Clisha Rae V. Batangan, Jana Dorathy O. Loyola, Mark Kenneth D. Cabaccan, Carlos Jordan A. Datu, Joseph A. Espiritu, Roberto Romano G. Lim

DLSU Senior High School Research Congress

Throughout the years, multiple studies have been conducted to determine the impact of age on cybersecurity; however, their results were contradictory. To clarify the answer, this study examined how being a part of different age generations (Generation Z, Millennials, Generation X, and Baby Boomers) affects cybersecurity awareness, behavior, and susceptibility to cyberattacks among Parañaque citizens. The objective is to identify the susceptibility levels of each generation and to determine whether there is a significant difference between them. A total of 134 participants answered the questionnaire about their cybersecurity attitudes, knowledge, and practices. Using statistical tools such as General Weighted Mean …

Assessing The Antimicrobial Activity Of Avocado (Persea Americana) Peel Extract: Microbial Load Inhibition On Chicken Meat, Geneva Gloelle S. Tejada, Prescious Ñina S. Quinan, Chloie Marjorie D. Ganggangan, Angelica M. Nadonga

DLSU Senior High School Research Congress

Bacterial contamination of chicken meat poses significant health and economic risks globally. This study explored the potential of Avocado Peel Extract (APE) as a natural antimicrobial agent to inhibit microbial load. Raw chicken meat samples were treated with varying APE concentrations (10%, 1%, 0.1%) and a negative control. Microbial Load Count (MLC), measured in colony-forming units per gram (CFU/g) via Aerobic Plate Count (APC) after 24-hour incubation at 37°C showed the following mean values: Control (1.73E+09 CFU/g), 10% APE (1.83E+09 CFU/g), 1% APE (3.03E+09 CFU/g), 0.1% APE (2.17E+09 CFU/g). One-way Analysis of Variance (ANOVA) revealed no statistically significant difference (p=0.149). …

Cytotoxicity Of Glucosinolates Extracted From Green Cabbage (Brassica Oleracea Var. Capitata), Albert Ii G. Gonzales, John Henrick M. Monotilla, Andrea Vera D. Hellera, Julia Alexa T. Reyes, Empress Kharen M. Villena, Suzzeth U. Dizon

DLSU Senior High School Research Congress

Cancer is a large group of diseases characterized by the uncontrolled growth of abnormal cells, which can invade any organ or tissue. According to WHO (2025), cancer is the leading cause of death worldwide, accounting for nearly 10 million deaths in 2020, or approximately one in six deaths. Despite significant advancements in cancer treatments over the years, such as radiation and chemotherapy, commonly used post-surgical complementary therapies can cause adverse side effects, including nerve damage, fatigue, and chronic pain. Glucosinolate (GSLs) is a naturally occurring compound found in cruciferous vegetables, such as green cabbage. GSLs produce metabolites exhibiting anticancer properties …

Development Of “Defaketicon” An Educational Deepfake Awareness Website For Senior High School Stem-Technology Students, Killua Andrei S. Nava, Trisha Nicole E. Sese, John Carlo A. Tan, Juan Antonio D. Gulles, Princess Angel E. Miraflores, Christine Rae T. Hecto

DLSU Senior High School Research Congress

This study addresses the increasing threat of deepfake media by developing “Defaketicon” an educational website designed to raise awareness among senior high school STEM-Technology students at Adamson University. The primary objective is to evaluate the students’ perceptions towards the website in terms of performance expectancy, effort expectancy, social influence, and facilitating conditions. Using a convergent mixed-method approach, the researchers conducted a non-experimental descriptive design for the quantitative data and a narrative inquiry for the qualitative aspect. A total of 117 students participated through simple random sampling, while 8 were purposively selected for in-depth qualitative analysis. Findings from the quantitative data …

Effect Of Cooking Methods On Lead (Pb) In Pasig River-Sourced Tilapia (Oreochromis Niloticus), Rhian Joy M. Romero, Mary Rosendahl D. Monteverde, Francesca Simone A. Remorozo, Lizel P. Bonifacio

DLSU Senior High School Research Congress

Once declared biologically dead, the Pasig River now shows signs of aquatic life but remains heavily polluted with heavy metals like lead (Pb), which accumulate in fish and pose health risks. Despite this, many communities still rely on the river for food, particularly tilapia. This study addresses public health concerns by evaluating whether common cooking methods—frying, grilling, and steaming can reduce Pb levels in tilapia (Oreochromis niloticus) from the Pasig River to safe levels for consumption. A total of 107 tilapia samples were collected from Barangay Hulo, Mandaluyong City. The fish were cleaned, grouped, and cooked for 25 minutes using …

The Effect Of Tropical Temperature Conditions On Salmonella Typhimurium Growth, Elyza Dionne A. Constantino, Anastasia Charlotte D.C. Pabriga, John Vergel Pamintuan, Mark Daniel A. Velasco

DLSU Senior High School Research Congress

Salmonella contamination remains a significant health concern, particularly in environments where temperature fluctuations influence bacterial survival. While previous studies have identified temperature as a key factor in microbial growth, the specific effects of varying heat levels on Salmonella enterica serovar Typhimurium concentration require further investigation, particularly in the context of the Philippines. This study examined bacterial concentration across different temperatures by assessing S. typhimurium under controlled laboratory conditions at 37 °C, 42 °C, and 47 °C. Microbiological analysis quantified bacterial colonies (CFU/mL), revealing a decreasing trend in S. typhimurium concentration as temperature increased. The highest concentration was observed at …

Beyond The Dark Hours: A Qualitative Exploration Of The Experiences, Coping Strategies, And Workplace Dynamics Of Graveyard Shift Workers, Jerelie Robert Muyalde Alcause, Rhuss Maico Mangahas Bartolome, Arbee Ray Tokyas Akit, Ian Patrick Pedro Aquino, Salvador Franz Niño Vargas Aquino, Jayvee Ysulan Bagaporo

DLSU Senior High School Research Congress

Graveyard shifts are often correlated with poor working hours and may lead to a reduced level of cognitive and emotional function. Current studies focus on the physical effects of this schedule but often overlook the unique challenges of maintaining a work-life balance under such conditions. Through in-depth interviews, this study explores the psychological and emotional impact of long-term graveyard shifts, along with the coping mechanisms workers use to balance their work and personal lives. The findings of this study reveal that graveyard shift workers commonly experience social isolation, often distancing themselves from friends and family. Emotionally, they report feelings of …

A Vector Autoregressive (Var) Model For The Hourly Forecasting Of Climatological Data In General Santos City, Jezzu Morrisen C. Quimosing, Feevol S. Into, Ayeesha Kate N. Castro, Criss Allyn C. Hongoy, Bai Ashfahana A. Abdullah, Ma. Sofia Franchesca P. Dizor, Leo James M. Podador, Joshua Caleb G. Pagalan

DLSU Senior High School Research Congress

Through multivariate time series exploration, the Vector Autoregressive (VAR) model was developed to predict marked climatological data for General Santos City, Philippines. The dataset, which covered the period from January 01, 2001, until June 30, 2024, was obtained from the NASA POWER API and included crucial variables: surface pressure, specific humidity, wind speed, air temperature, precipitation, and UV irradiance. The study recorded significant diurnal and seasonal trends, which could be observed in the surface pressure, specific humidity, air temperature, and UV irradiance that displayed the predictable cycles. Precipitation demonstrated limited seasonality, as it represented the localized tropical rain patterns. The …

Shades And Shapes: Intersectional Perspectives On Filipino Women’S Skin Color And Body Build, Aliah Jazz G. Alonte, Kelly Nyle M. Baligod, Mi Tang, Yuzhu Zhao, Liezl Rillera Astudillo

DLSU Senior High School Research Congress

This study examines how Filipino women evaluate physical attractiveness, likeability, and social competence based on variations in skin color and body build—traits shaped by colonial legacies and reinforced by contemporary media. A 2×2 factorial experimental design was used, involving 180 female college students (ages 18–25), who rated target images that varied by skin color (light vs. dark) and body build (slim vs. large). While neither skin color nor body build alone had a significant main effect on perceptions of attractiveness, a significant interaction emerged: slim, dark-skinned individuals were rated more attractive than their light-skinned counterparts, whereas light-skinned individuals were preferred …

Plastilapia: Potential Of Tilapia (Oreochromis Niloticus) Scales For Creating Bioplastics, Rain Andrea Q. Matilde

DLSU Senior High School Research Congress

Plastic waste is a global problem affecting General Santos City (GenSan). Though brown paper bags are alternatives, they tear easily and may cause deforestation. South Cotabato, including GenSan, produces large amounts of tilapia. Their discarded scales contain collagen that can be used to create sustainable biopolymers. This study explores the potential of tilapia scales for creating bioplastics, focusing on tensile strength and biodegradability as eco-friendly alternatives to plastics.

For this study, one kilogram of raw tilapia fish scales was used. The scales were cleaned, oven-dried at 60°C for three hours, ground, and soaked in a 0.1N sodium hydroxide solution for …

Optimization Of Iron (Iii) Removal Using Mango (Mangifera Indica) Peel Activated Carbon Biosorbent With Varying Adsorbent Dosage, Contact Time, And Temperature, Enzo Damian Berosa Magbatoc, Janssen Cahayon Mendoza, Pierre Cyrus Austria Obando, Fiona Bianca Tabares Saulon

DLSU Senior High School Research Congress

In local communities, limited access to piped water services leads to reliance on natural sources such as lakes and rivers. However, these sources are increasingly polluted by industrial effluents, agricultural runoff, and improper waste management, posing significant threats to ecosystems, public health, and community well-being. This study explores the utilization of Mango Peel Activated Carbon (MPAC), derived from ripe mango (Mangifera indica) peels, as a biosorbent for removing Iron (III) from aqueous solution, which underwent a sequence of physical and chemical activation processes. This examined key parameters such as A: adsorbent dosage (0.025–0.1 g/L), B: contact time (15–35 …

Evaluating The Mechanical Performance Of Eco-Fiberboards Made From Varying Ratios Of Water Hyacinth (Eichhornia Crassipes) And Laundry Lint Microfibers, Iommi M. Vacaro, Joaquin Vielle D. Palomo, Denise Rose D. Verzosa, Russel Bien C. Alcaraz, Kenneth V. Botor, Charls Oliver D. Duka, Udelle Y. Establecida, Justin Rayven P. Fajutagana, Sean Lawrence T. Isidro, Julian Kyle E. Mandia, Jhelo Kaye E. Miro, Dylan Justin G. Reyes, Ma. Annie Bien M. Sumague

DLSU Senior High School Research Congress

This study explored the viability of hybrid eco-fiberboards as an alternative to commercially available fiberboards. It aimed to evaluate the mechanical performance of water hyacinth (WH) and laundry lint (LL) microfibers, bound within a high-density polyethylene (HDPE) matrix to create a sustainable fiberboard. Three experimental groups with varying fiber ratios were tested for tensile and flexural strength. The results were then compared to medium-density commercial fiberboards (Positive Control), which served as a benchmark. The flexural test showed that the experimental group with the highest LL content had a maximum strength of 35.13 MPa, comparable to the control group, indicating that …

Identification Accuracy Of Cost-Effective Visible (Vis) To Near-Infrared (Nir) Sensor As7265x On Plastic Waste In The Philippines, Ma. Tricia Jasmin M. Ocho, Chloe Lizanne R. Bravo, Jennika Love R. Loyola, Kierra Jamielle V. Taroma, Leianne Nina Arabelle E. Lampayan

DLSU Senior High School Research Congress

In the Philippines, plastic waste persists as a significant issue caused by the widespread use of single-use plastics and the lack of recycling systems. The lack of proper systems made waste segregation and identification inefficient and disorganized. Past studies explain the use of VIS/NIR in plastic segregation and potential of spectral frequencies. However, there is limited investigation of the AS7265x sensor’s consistency when integrated with machine learning to further improve detection reliability; thus, the study evaluates the effectiveness of the AS7265x triad spectroscopy sensor, incorporated with machine learning algorithms. An experimental setup was created using the AS7265x sensor and Arduino …