Digital Commons Network^™

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 …

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 …

Beyond Borders: Exploring The Diversity, Practices, And Influences Of Feminism In Contemporary Society, Naedaly Balagot David, Patricia Josh Fate Alcantara, Alyza Faye Balbas Cutit, Clint Yuan Vista Castro, Asher Luis Cunan Badecao Iv, Francesco Riane Bareng Pineda

DLSU Senior High School Research Congress

Historical research documents feminism's evolution from 19th century suffrage movements to modern intersectional approaches. Though, there are gaps in understanding how personal experiences and contexts, such as cultural and socio-economic, influence current feminist practice. This study investigates how lived experiences shape contemporary feminist engagement in Baguio City, Philippines. Using a descriptive phenomenological analysis of face to face interviews with diverse participants, the study identifies the following; results reveal generational divides, with younger participants developing progressive, digitally-informed feminist consciousness, while economic realities constrain activist participation for marginalized groups. Practical manifestations of feminism emerge through four daily practices: (1) conscious use of …

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 …

Discrepancy Of Task Allocation With Job Description In Connection To Key Performance Indicators (Kpis) Of A Selected Cooperative In Valenzuela City, Rhenjie N/A Jusoy N/A, Lowella Grace Ibañez, Sarah S. Molina

DLSU Senior High School Research Congress

Task allocation discrepancy in employees job description has become a critical concern in modern workplaces, particularly when it is linked in the management’s Key Performance Indicators (KPIs). In response to that, this study explored how employees perceive the effects of the occurrence of task allocation discrepancy on workplace productivity as this aimed to explore the reasons and the effects behind these occurring issues in order to address these gaps and generate solutions, by focusing on key themes such as adaptability, workplace acknowledgment, skill development opportunities, and work motivation. Through the use of phenomenological research design, the study employed open-ended surveys …

Robbing The Cradle: Georgia's Battle To Enact "Raise The Age" Legislation Through Hb 462, Elizabeth Hammond

Georgia Criminal Law Review

In the state of Georgia, seventeen-year-olds are not old enough under the law to vote or consume alcohol and tobacco products. Despite this, they are old enough to be criminally tried as adults. Georgia is one of three states that continues to process seventeen-year-old juvenile offenders through the criminal justice system instead of juvenile court. In September 2023, forty-five juveniles were prosecuted as adults and incarcerated in Georgia prisons. This is significant because juvenile offenders experience better outcomes when they are processed through the juvenile court system because juvenile courts account for a youth’s “naturally high capacity for change and …

The Shadow Pandemic: The Response To Domestic Violence In The Wake Of Covid-19 And What We Can Carry Forward, Presley Sneed

Georgia Criminal Law Review

When the COVID-19 virus brought the pandemic to the United States in March of 2020, the legal system was not prepared for the increase in domestic and intimate partner violence that would follow. The United Nations (UN) later identified this social phenomenon as a second pandemic, a “shadow pandemic” that resulted from an increase in stay-at-home orders and a decrease in support services for victims. By the end of 2021, forty-five percent of women globally reported either they themselves or a woman they know had experienced some form of domestic or intimate partner violence since the emergence of COVID-19. One …

Time To Put Down Iq Testing: Analyzing The Unreliability Of Iq Testing In Capital Offenses, Nik Giyanani

Georgia Criminal Law Review

Georgia sentences individuals with intellectual disability (“ID”) to death at an alarming rate. As a result, Georgia has likely executed individuals with ID in violation of the United States Constitution already. These unjust executions are a result of the impossibly high “beyond a reasonable doubt” burden of proof that capital defendants in only Georgia must meet to prove they are intellectually disabled. One large hurdle for defendants attempting to meet this standard is the unreliability of IQ testing. IQ testing, a soft science, provides inconsistent results due to ever-changing variables in the testing process. Additionally, the generally accepted threshold IQ …

Misreading The Federal Child Pornography Statutes, Owen Senders

Georgia Criminal Law Review

For the past 40 years, federal courts have committed two grievous textual errors in interpreting the federal child-pornography statutes and sentencing guidelines. These errors have caused hundreds of wrongful convictions—many the bases for decades-long sentences—and have produced a body of caselaw that is profoundly incoherent and in direct conflict with basic tenets of First Amendment doctrine. They have also likely endangered children. This article identifies these errors, surveys their consequences, and suggests legal arguments for people charged or convicted under the child-pornography statutes.

The first error impacts the application of all of the federal child-pornography statutes and sentencing guidelines. These …

Enhancement Of Phenolic, Flavonoid, And Biological Activi-Ties In Fermented Pea (Pisum Sativum) Extracts Via Frac-Tionation, Anastasia Fitria Devi, Euis Filailla, Setyani Budiari, Hani Mulyani, Nina Artanti

Karbala International Journal of Modern Science

In this study, peas were fermented for 24 h using either Rhizopus oligosporus or Aspergillus oryzae. The resulting fermented peas, along with unfermented peas, were extracted using either methanol or water. The methanol extracts showed greater improvements following fermentation compared to the water extracts, as shown by the IC₅₀ values, which progressed from >500 to ≤200 µg/mL, as determined via the 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) method. Consequently, further fractionations focused on the methanol extracts of the fermented peas. Six bands were resolved on thin-layer chromatography plates for each extract. Their positions demonstrated significant effects (p < 0.05) on bioactivity. The bottom band (i.e., Band 1) exhibited approximately 70% inhibition, as determined via the 2,2-diphenyl-1-picrylhydrazyl (DPPH) method and 35% inhibition according to the ABTS method, while the other bands displayed lower to negligible inhibition. Band 5 displayed 85–97% cytotoxicity, while Band 1 did not show any cytotoxicity. The total phenolic content (TPC) of Band 1 and the total flavonoid content (TFC) of Band 6 increased 4.4- and 8.9-fold, respectively, compared to those of the unfractionated extracts. Furthermore, a correlation analysis revealed a strong correlation between TFC and the three observed bioactivities. The different cultures significantly (p < 0.05) affected the antioxidant activity of either the fermented pea extracts or the resulting bands, as determined via the DPPH method. These results indicated that fermentation enhanced the antioxidant activity of peas. Subsequent fractionations separated and concentrated compounds from the fermented peas, improving the bioactivities, TPC, and TFC of the resulting fractions.

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 …

The Impact Of Microplastics On Water Quality, Heavy Metals, And Health Risks In Bioflocbased Tilapia Farming Systems, Dian Rizky Afriani, Deswati Deswati, Rahmiana Zein, Putri Ramadhani

Karbala International Journal of Modern Science

Along with microplastics, pollution of heavy metals, including iron (Fe), zinc (Zn), and copper (Cu), in freshwater ecosystems poses a serious environmental threat that can adversely affect human health. This study investigates the use of biofloc technology to reduce microplastic and heavy metal contamination while improving water quality. By utilizing microbial aggregates that capture microplastic and heavy metal particles through flocculation and biosorption processes, four experimental treatments were applied, i.e.: A (without biofloc and microplastics); B (with biofloc, without microplastics); C (with biofloc and low-density polyethylene microplastics); and D (with biofloc and high-density polyethylene microplastics). The results indicate that fish …

Small Potatoes, Big Dreams, Sarah Moss

The Voice

No abstract provided.

Perfect Acceptance Rate, Joya Breems

The Voice

No abstract provided.

Local Roots, Sarah Moss

The Voice

No abstract provided.

Dordt University: An Aromatic Outpost, Erik Hoekstra

The Voice

No abstract provided.

A Case Of Class Iii Malocclusion With Obstructive Sleep Apnea Treated By Orthodontic Treatment Combined Two-Jaw Orthognathic Surgery, Chao-Yu Lu, Yu-Feng Chen, Yu-Chuan Tseng

Taiwanese Journal of Orthodontics

This case report presents a successful treatment outcome of a 24-year-old male patient who was diagnosed with moderate type of obstructive sleep apnea (OSA) (AHI, 22.8). Cephalometric analysis demonstrates skeletal Class III jaw relation with mandibular prognathism, hyperdivergent facial pattern, Angle’s Class III malocclusion, and anterior cross-bite. Treatment intervention included orthodontic treatment combined with two-jaw orthognathic surgery and genioglossus advancement (GGA). In total treatment period of 14 months, the patient was satisfied with not only the improvement of facial profile and occlusion, but also his sleep quality.

Orthodontic Management Of Angle Class I Malocclusion With Unilateral Mandibular First Molar Loss And Generalized Gingival Recession, Ming-Che Wu, Hsin-Yi Lo, Ming-Ju Lee

Taiwanese Journal of Orthodontics

This case report presents the treatment of Angle Class I malocclusion in a 28-year-old female patient with a missing right mandibular first molar and generalized gingival recession. The treatment plan involved whole-arch distalization in the upper dentition, relief of crowding under the condition of pre-existing gingival recession, space closure of the right mandibular first molar area, with substitution of teeth 47 and 48 for better final occlusion. Anchorage strategies included sequential distalization of upper buccal segment with the aid of temporary anchorage devices before anterior alignment. The closure of the right mandibular first molar space was achieved with uprighting and …

Moving A Maxillary Incisor Across The Midline For Substitution Of Contralateral Missing Incisor In A Multiple Anterior Teeth Missing Patient, Ling-Yu Huang, Chun-Liang Kuo, Chun-Hsiu Yang, Ting-Wei Liu

Taiwanese Journal of Orthodontics

Loss of permanent maxillary incisor causes a significant esthetic problem, and there are various treatment options for rehabilitation. Moving the contralateral tooth across the facial midline for substitution of missing tooth is a possible treatment alternative for closing the maxillary anterior space.

This report presents an unusual treatment for a bimaxillary protrusion patient who typically requires premolar extraction to improve the convex profile. However, due to multiple missing anterior teeth, the left maxillary central incisor was moved across the facial midline to substitute the absent contralateral tooth, resulting in an improved profile after treatment.

The case was an 18-year-old female …

Establishment Of Cephalometric Norms Using Tetragon Analysis In Nepali Adults With Normal Skeletal Relationship, Rashmi Bhattarai, Rabindra Man Shrestha, Jyoti Dhakal

Taiwanese Journal of Orthodontics

Introduction: Cephalometric analysis is a cornerstone in orthodontic diagnosis and treatment planning, enabling precise evaluation of craniofacial structures. Among the various methods, Tetragon analysis offers a unique visual approach to evaluate the maxillo-mandibular relationship. This is based on two geometric constructs, the tetragon representing the maxillo-dento-mandibular complex and the trigon, a complimentary triangle situated above it. Considering the significant genetic and environmental variations in craniofacial development, cephalometric norms established for one population may not be applicable to others.

Objective: This study aimed to establish normative cephalometric values for Tetragon analysis among Nepali adults with normal skeletal relationships.

Materials and Methods: …

Comparative Evaluation Of Trueness And Precision Of Intraoral Scanners For Maxillary Casts In Cleft Lip And Palate: A 3d Study, Rattiya Chuacharoen, Prajak Jariyapongpaiboon, Kaviya Kanokpongsak

Taiwanese Journal of Orthodontics

Objectives: The purpose of this study was to compare the trueness and precision of 5 different intraoral scanning devices in maxillary cleft lip and palate (CLP) models. Material and Methods: One complete unilateral and one complete bilateral CLP model were each scanned by TRIOS E4, a laboratory scanner, and recorded in a standard tessellation language (STL) file as a reference scan. These models were then scanned using five different intraoral machines: TRIOS 4; Straumann Virtuo Vivo; Medit i500; Aoralscan 3; and Panda P2. Each CLP model was scanned 10 times, and the files were saved as test scans. …

Rebooting A Foundational Reading Program With Recent Evidence From The Science Of Reading, Kate Franz, Bong Gee Jang

The Language and Literacy Spectrum

The Science of Reading (SOR) movement has reshaped literacy education, emphasizing evidence-based instructional materials and practices. School districts have been propelled to evaluate existing instructional materials and to consider adopting new reading programs. This article examines how Road to Reading (RTR), an evidence-based program that aligns with the SOR focus on phonics and word recognition, can be updated to reflect newer research. Rather than a full overhaul, this paper proposes a “reboot”— targeted updates that refine the five-step lesson structure. Key improvements include expanded assessments, phonemic awareness integration, motivational supports, and instructional scaffolds to better meet diverse learner needs.These targeted …

Using Facebook To Discuss The Science Of Reading, Erica Barnes, Jaime Puccioni, Abigail Ferris

The Language and Literacy Spectrum

Students in U.S. elementary schools continue to experience difficulty learning to read, with some attributing these difficulties to a lack of alignment with the Science of Reading (SOR). Social media plays a prominent role in disseminating information about the SOR, serving as a platform for discussion and debate that reflects many tenets of effective online professional development (OPD). The current study examines how one group of educators on social media sought out and discussed information related to the SOR. Content analysis was utilized to determine how contributors engaged with the group and what pedagogical content knowledge and SOR topics were …

Strategic Considerations For Integrating Digital Technology And Literacy Learning, Christine N. Green

The Language and Literacy Spectrum

In an era of rapidly advancing technology, integrating digital tools into literacy instruction has become a vital component of effective educational practice. This article presents findings from a case study examining how digital technology was incorporated into the literacy block of a first-grade classroom. Through sixteen hours of classroom observation and three teacher interviews, four key strategic considerations emerged for planning literacy activities that utilize educational technology. These activities enriched student learning by encouraging engagement through multiple modes of literacy. These strategic considerations include building digital connections that complement instructional goals, strategically adding digital tools, allowing students to lead, and …