Digital Commons Network^™

Breakout Session: Circularity In Logistics, Imhrc Scientific Committee

International Material Handling Research Colloquium

Editors:

Fabio Sgarbossa, NTNU (Conference Chair)

David Porter, Oregon State University (Conference Co-Chair)

Manjunath Kamath, Oklahoma State University

Shanthi Muthuswamy, Northern Illinois University

Jennifer Pazour, Rensselaer Polytechnic Institute

Testing The Effectiveness Of Mango (Mangifera Indica) And Apple (Malus Pumila) Peels As An Active Ingredient In A Corrosion Inhibitor Spray For Galvanized Iron Pipes, Sheikh Mahrufa C. Islam, Tom Iric C. Donato, Charlie Mark E. Bumanglag, Nigel Red M. Lopez, Cye Guiller S. Evangelista

DLSU Senior High School Research Congress

Corrosion in galvanized iron pipes (GIPs) poses significant challenges to water distribution systems, leading to structural degradation and public health risks. This study developed and assessed the efficacy of Mangifera indica (mango) and Malus pumila (apple) peel extracts as active ingredients in a corrosion inhibitor spray for galvanized iron pipes, using maceration to prepare 70% concentration extracts and testing them on GIPs immersed in 3 M hydrochloric acid for eight days. Results showed the combined extract exhibited the highest inhibition efficiency (27.71%), lowest thickness loss (1.449 × 10⁻³ cm), and minimal discoloration, outperforming individual extracts (apple: 23.76%; mango: 10.87%) and …

Development And Performance Evaluation Of Eco-Floor Tiles Made From Avocado (Persea Americana) Seeds, And Mango (Mangifera Indica) Seeds And Peels, Mark Dominique P. Mendoza, Kristine Cassandra T. Cacapit, Zion Ezekiel Micaiah Navia, Stephanie Anne A. Lim, Dominique Mae R. Gobaton, Jace Earl P. Gabitan, Gasper Juleo L. Otgalon, Josh Ryley C. Angeles, Hanz Mikkel A. Arnuza, Gwynette R. Legaspi

DLSU Senior High School Research Congress

The growing demand for sustainable construction materials has led to increased interest in utilizing agricultural wastes as eco-friendly alternatives. This study examines the potential of Avocado Seeds (AS), Mango Seeds (MS), and Mango Peels (MP) as additives in eco-floor tile production, incorporating them into cement mixtures through a quasi-experimental design. Various proportions of these agricultural by-products, collectively termed as Seeds and Peels Mixtures (SPM) were evaluated for compressive strength, flexural strength, and water absorption. A One-Way Analysis of Variance (ANOVA) was conducted to assess the effects of different additive ratios. Results revealed that compressive strength peaked at 49.40 MPa with …

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 …

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 …

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. …

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 …

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 …

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 …

Development Of An Mhealth Application To Be Used In Assisting Caregivers, Samantha Lianne Lim Cheong, Sofia Margarita Sison Cristobal, Precious Channe Esther Santiago Dioquino, Matteo Gonzalez Guanzon, Kyle Ian Jeffrey Lim Lim, Judith J. Azcarraga

DLSU Senior High School Research Congress

Assistive technology refers to any product, device, or system that helps individuals with their care and aids with tasks that have become difficult due to physical, cognitive, or sensory limitations. Within the scope of assistive technology are mobile health (mHealth) applications, which utilize mobile devices to provide healthcare services and information. Due to the mHealth applications' implementations on mobile devices, their adaptability is universal and accessible. This research aims to develop a mHealth application that is primarily accessible and designed specifically for caregivers by using their recommendations as the main references alongside literature reviews. It explores the features of mHealth …

Keynote Speaker: Research-Driven Insights For The Academic Community, Michael Mikitka

International Material Handling Research Colloquium

No abstract provided.

Welcome And Introductions, Fabio Sgarbossa, David Porter

International Material Handling Research Colloquium

No abstract provided.

Synthesis Of Gold Nanoparticles Using Hordeum Vulgare Leaf Extract And Their Antibacterial Activity, Mohamed M. Sehree, Shakir Ghazi Gergees, Pakhshan A. Hassan

Karbala International Journal of Modern Science

Plant extracts and gold nanoparticles are promising alternatives for combating antibiotic resistance in light of the increasing bacterial resistance. Leaf extract of barley was used to synthesize gold nanoparticles (AuNPs). Barley gold nanoparticles (BL-AuNPs) were produced by adjusting some reaction parameters. These BL-AuNPs were characterized through employing the UV-visible spectroscopy technique, the scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FTIR), and energy dispersive X-ray spectroscopy (EDX). BL-AuNPs were tested for antibacterial efficacy against two strains of Gram-negative bacteria, clinically isolated and considered as multidrug-resistant pathogens, Acinetobacter baumannii and Salmonella typhi. The antimicrobial efficiency of the compounds was evaluated …

Small Potatoes, Big Dreams, Sarah Moss

The Voice

No abstract provided.

Thriving In The Field, Jennifer Vermeer

The Voice

No abstract provided.

An Artist Takes Flight, Sarah Moss

The Voice

No abstract provided.