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Aerodynamics And Heat Transfer In Polymer Blown Film Processing: Experimental And Numerical Investigation, Mohammad Luqman Zulbakri, Nur Atiqah Mat. Rautin, Raa Khimi Shuib, Ku Marsilla Ku Ishak, Auratus Zuratul Ain Abdul Hamid, Mohamad Danial Shafiq, Mohamad Yusof Idroas, Muhammad Khalil Abdullah Dec 2025

Aerodynamics And Heat Transfer In Polymer Blown Film Processing: Experimental And Numerical Investigation, Mohammad Luqman Zulbakri, Nur Atiqah Mat. Rautin, Raa Khimi Shuib, Ku Marsilla Ku Ishak, Auratus Zuratul Ain Abdul Hamid, Mohamad Danial Shafiq, Mohamad Yusof Idroas, Muhammad Khalil Abdullah

Makara Journal of Technology

The effects of airflow dynamics, heat transfer, and mechanical properties on the HDPE blown film extrusion process were examined using a single-lip air ring with a fixed compressed-air valve opening angle of 10°. Reynolds numbers ranging from 9175 to 25911 were analyzed to understand their impact on cooling efficiency, bubble morphology, and film properties. Numerical simulations employing the Standard k−ω turbulence model in ANSYS FLUENT v2023, with mesh refinement achieving y+ ≈ 1, captured detailed flow and heat transfer behavior. Results showed that higher Reynolds numbers significantly enhanced the heat transfer coefficient, with values increasing from 1096 W/m²·K at Reynold …


Prediction Of Maximum Local Scour Depth Due To Horizontal Jets Of Flushing Gate Using Artificial Neural Network, Adhy Kurniawan, Muhammad Sulaiman, Agus Maryono, Bambang Agus Kironoto, Amalia Ula Hazhiyah Dec 2025

Prediction Of Maximum Local Scour Depth Due To Horizontal Jets Of Flushing Gate Using Artificial Neural Network, Adhy Kurniawan, Muhammad Sulaiman, Agus Maryono, Bambang Agus Kironoto, Amalia Ula Hazhiyah

Makara Journal of Technology

Local scour is a serious concern for hydraulic engineers. To maintain the reservoir capacity, flushing accumulated sediment is necessary, resulting in a turbulent and scouring jet from the flushing gate. Predicting the maximum scour depth from these water jets is crucial for civil engineers. Despite many proposed equations, one have shown consistent applicability due to the complex nature of the process. Ensuring accurate prediction between hydraulic parameters and the geometry of the scour hole in prototype experiments remains a key issue. To address this issue, this paper examines the use of artificial neural network (ANN) analysis as a computing device …


Dual-Interface Wifi Packet Sniffer System Using Esp32-Cam With Real-Time Pcap Generation For Iot Network Analysis, Boy Setiawan Boy, Maghfiroh Maulani, Zico Pratama Putra, Muhammad Senoyodha Brennaf Dec 2025

Dual-Interface Wifi Packet Sniffer System Using Esp32-Cam With Real-Time Pcap Generation For Iot Network Analysis, Boy Setiawan Boy, Maghfiroh Maulani, Zico Pratama Putra, Muhammad Senoyodha Brennaf

Makara Journal of Technology

This study focuses on designing and implementing a cost-effective and energy-efficient WiFi packet sniffer system using the ESP32. The ESP32-CAM module, which combines WiFi, Bluetooth, and microSD support, is used to capture IEEE 802.11 frames in real-time via promiscuous mode. Packets are stored in packet capture format, which is compatible with tools such as Wireshark and Scapy. Developed using the official ESP-IDF, it offers low-level control and high performance. Two user interfaces were implemented: a UART-based text menu and a web-based HTTPS menu hosted on the ESP32 itself. Functional and performance evaluations were conducted with a focus on capturing broadcast …


When Delivery Matters: Diffuse Coronary Vasospasm With Continuous, But Not Bolus, 5-Fu Infusion, Muhammad Sabri, Zinya Talukder, Angad Bedi, Sung-Hae Cho Dec 2025

When Delivery Matters: Diffuse Coronary Vasospasm With Continuous, But Not Bolus, 5-Fu Infusion, Muhammad Sabri, Zinya Talukder, Angad Bedi, Sung-Hae Cho

Division of Internal Medicine Faculty Papers & Presentations

5-Fluorouracil (5-FU) is a fluorinated pyrimidine chemotherapy analogue used to treat various gastrointestinal solid malignancy. It is known to be associated with cardiotoxicity. Here, we present a case of 58-year-old male with mucinous adenocarcinoma of the sigmoid colon who experienced global coronary vasospasm in setting of continuous 5-FU infusion refractory to prophylactic antianginal treatment. However, he was asymptotic when given bolus of 5-FU. Our case highlights the difference in toxicity between continuous and bolus 5-FU therapy and emphasizes the need for further research in the pathophysiology and treatment of cardiotoxicity related to 5-FU therapy.


Digital Twinning To Advance Effluent Water Treatment For Pulp And Paper Mills: A Data-Driven Approach For Process Optimization, Fatima Iqbal, Fatemeh Naeijian, Christopher Page, George Fu, Francisco Cubas-Suazo, Stetson Rowles Dec 2025

Digital Twinning To Advance Effluent Water Treatment For Pulp And Paper Mills: A Data-Driven Approach For Process Optimization, Fatima Iqbal, Fatemeh Naeijian, Christopher Page, George Fu, Francisco Cubas-Suazo, Stetson Rowles

Civil Engineering & Construction: Faculty Publications

The pulp and paper industry is the third largest freshwater consumer and faces pressure to minimize water usage and environmental impact. Aerated stabilization basins (ASBs) play a crucial role in treating their wastewater, yet existing open-source models often fail to accurately predict treatment efficiency across varying conditions. This study addresses this gap by advancing ASB modeling for ultimate oxygen demand prediction. Specifically, we improved accuracy with variable temperature corrections and incorporating uncertainty to capture the variability in outputs. The models demonstrated strong predictive performance for ultimate oxygen demand (mainly carbonaceous and nitrogenous biochemical oxygen demand) with R2 values ranging from …


Inflammatory Co-Regulation Of Voltage-Gated Sodium Channels And Na,K-Atpase In Metastatic Breast Cancer, Steven D. Scahill, Kelly Jean Sherman, Dennis Paul Dec 2025

Inflammatory Co-Regulation Of Voltage-Gated Sodium Channels And Na,K-Atpase In Metastatic Breast Cancer, Steven D. Scahill, Kelly Jean Sherman, Dennis Paul

School of Graduate Studies Faculty Publications

Sodium regulation is a potentially major driver of cancer metastasis. Voltage-gated sodium channels (VGSCs) and Na,K-ATPase are sodium transporters that are upregulated in many advanced carcinomas and are implicated as metastatic drivers. However, little is known about what drives this overexpression, how these proteins influence metastatic behavior, or whether these complementary sodium transporters are co-regulated in cancer. Using sodium transporter regulation in healthy neurons as a model, the present study demonstrated that the inflammatory mediator tumor necrosis factor alpha (TNFα) affects the expression of VGSCs and Na,K-ATPase in an in vitro model of metastatic breast cancer. Acute TNFα challenge increased …


Relationships Between Larval Fish Drift, Time Of Day And Discharge In An Ozark Stream, Daniel D. Magoulick, Christy L. Graham Dec 2025

Relationships Between Larval Fish Drift, Time Of Day And Discharge In An Ozark Stream, Daniel D. Magoulick, Christy L. Graham

Biological Sciences Faculty Publications and Presentations

We examined the relationship between larval fish numbers and discharge during a high flow event in Bear Creek, Arkansas, a small Ozark stream. Additionally, we examined the relationship between fish numbers and time of day, and the spatial distribution of families and size classes. A total of 3,083 fish from five families were collected. Leuciscidae was the dominant family collected, followed by Percidae, and Catostomidae. Larval fish in Bear Creek were not susceptible to increased discharge from the flood event, as all three families exhibited strong significant negative relationships to discharge at night when discharge began to decline. Larval fish …


The Role Of Fuzzy Logic In Cost-Volume-Profit Analysis, Ahmed Imad Abed Al-Atabe, Mohammed Wafi Abbas Al-Shammar Dec 2025

The Role Of Fuzzy Logic In Cost-Volume-Profit Analysis, Ahmed Imad Abed Al-Atabe, Mohammed Wafi Abbas Al-Shammar

Muthanna Journal of Administrative and Economics Sciences

Cost-volume-profit analysis (CVP) is one of the most important basic tools in management accounting. It enables understanding the relationship between three key elements: costs, volume, and profit level. The problem with this research is that this type of analysis, in its traditional form, uses clear and fixed data, such as the variable cost per unit, total fixed costs, selling price, or sales volume, which can be accurately determined. However, these assumptions do not accurately reflect practical reality, which is often characterized by uncertainty and fluctuations. The research aims to utilize an artificial intelligence tool, fuzzy logic, as a more flexible …


Career Development And Its Role In Organizational Commitment: An Analytical Survey Of The Opinions Of A Sample Of Employees At Al-Zahrawi Surgical Hospital/Maysan, Salem Haider Resen Dec 2025

Career Development And Its Role In Organizational Commitment: An Analytical Survey Of The Opinions Of A Sample Of Employees At Al-Zahrawi Surgical Hospital/Maysan, Salem Haider Resen

Muthanna Journal of Administrative and Economics Sciences

The research aims to reveal the role of career development in its dimensions (training, promotions, career planning) in enhancing organizational commitment, as the research problem was embodied in knowing the role played by career development in the organizational commitment of employees at Al-Zahrawi Surgical Hospital/Maysan? To achieve this, the research relied on a main hypothesis that (there is no statistically significant correlation or effect between career development and organizational commitment). The importance of the research is highlighted by its contribution to the development of human resources strategies to achieve organizational stability at the level of the Iraqi environment. On the …


The Impact Of Strategic Mindset On Competitive Pressures A Field Study At The Kronje Beverage Group, Dalal Salih Mahdi, Qadisiya Said Jabr Dec 2025

The Impact Of Strategic Mindset On Competitive Pressures A Field Study At The Kronje Beverage Group, Dalal Salih Mahdi, Qadisiya Said Jabr

Muthanna Journal of Administrative and Economics Sciences

This research examines the impact of the strategic mindset (systems thinking, reframing, and deep thinking) on competitive pressures In the Kronje Group for beverage production. The descriptive analytical approach was adopted, collecting data using a questionnaire and analyzing it to express the opinions of a sample of leaders in the Kronje Group, which produces various beverages. The data was collected using a questionnaire based on a five-point Likert scale. A purposive sample of (60) managers was selected to represent the original population of (92) managers. The focus was on senior management leaders, including managers, assistants, and heads of departments, divisions, …


The Impact Of Implementing Good Governance Principles On The Quality Of University Education: An Analytical Study Of The Opinions Of A Sample Of Employees At Sawa Private University, Thanaa Hussein Jalil Al-Khuzaie Dec 2025

The Impact Of Implementing Good Governance Principles On The Quality Of University Education: An Analytical Study Of The Opinions Of A Sample Of Employees At Sawa Private University, Thanaa Hussein Jalil Al-Khuzaie

Muthanna Journal of Administrative and Economics Sciences

This study aims to analyze the impact of applying good governance principles—such as transparency, accountability, participation, and the rule of law—within higher education institutions on the quality of university education, by examining the relationship between these principles and academic and administrative quality indicators. The study population comprised academic and administrative staff at Al-Sahel Private University. A stratified random sample of 75 participants was selected from the university. Data were analyzed using descriptive statistics (mean, standard deviation), Pearson correlation coefficient, and coefficient of variation. The instrument’s reliability was assessed using Cronbach’s alpha, and factor analysis was conducted. Hypotheses were tested using …


The Impact Of Using Management Information System On Enhancing Intelligent Organizations: An Exploratory Study Of The Opinions Of A Sample Of Faculty Members At The College Of Administration And Economics – University Of Mosul, Ali Jasim Shalash Dec 2025

The Impact Of Using Management Information System On Enhancing Intelligent Organizations: An Exploratory Study Of The Opinions Of A Sample Of Faculty Members At The College Of Administration And Economics – University Of Mosul, Ali Jasim Shalash

Muthanna Journal of Administrative and Economics Sciences

The present study seeks to investigate the effect of the dimensions of the Management Information System (MIS) on fostering intelligent organizations, through analyzing the relationship between the system’s components (organization, human resources, information technology, and data/information) and the level of organizational intelligence. The research employed a descriptive–analytical methodology, with data collected from a sample of 88 faculty members at the College of Administration and Economics, utilizing a scientifically designed questionnaire. The results indicated a strong and statistically significant correlation between all MIS dimensions and the development of intelligent organizations, with the system accounting for 43.3% of the variance in organizational …


The Role Of Expert Systems In Enhancing Organizational Performance In Hotel Organizations A Descriptive–Analytical Study Of The Opinions Of A Sample Of Managers And Employees In First-Class Hotels In Erbil Governorate, Dr. Hassan Odah Ghdaab Dec 2025

The Role Of Expert Systems In Enhancing Organizational Performance In Hotel Organizations A Descriptive–Analytical Study Of The Opinions Of A Sample Of Managers And Employees In First-Class Hotels In Erbil Governorate, Dr. Hassan Odah Ghdaab

Muthanna Journal of Administrative and Economics Sciences

The study aimed to identify the role of expert systems as an independent variable with its dimensions (hardware, software, knowledge engineer) in enhancing organizational performance as a dependent variable. The research problem emerged through the need to determine the role of expert systems in improving organizational performance if adopted by managers and employees in the surveyed hotel organizations. A hypothetical model was presented to test the main and sub-hypotheses and to answer the research questions. The study focused on five-star hotels, with the research population consisting of managers and employees in hotel organizations in Erbil Governorate, specifically: (Erbil Quartz Hotel, …


“Blessings Or Burdens”: Perceived Values And Disvalues Of Children Among Married Filipino Millennials, Althea Jeanne S. Asuncion, Martin Oliver G. Cabalona, Elijah De Guzman, Randelle Kirsten Hipolito, Stella P. Go Dec 2025

“Blessings Or Burdens”: Perceived Values And Disvalues Of Children Among Married Filipino Millennials, Althea Jeanne S. Asuncion, Martin Oliver G. Cabalona, Elijah De Guzman, Randelle Kirsten Hipolito, Stella P. Go

Sinaya: A Philippine Journal for Senior High School Teachers and Students

Children are perceived to carry meanings that either enrich or burden the lives of their parents, but limited studies have examined the perceived values and disvalues of children in the contemporary Filipino context. To address this gap, a survey was conducted among a hundred married Filipino millennials recruited through various social media platforms. The study investigated whether there were significant differences in child-related values and disvalues based on marital role (husbands or wives), parental status (with or without children), and parenting efficacy (moderate or high). Hotelling’s T2 results revealed no significant differences between husbands and wives in their combined scores …


“Kailan Ka Magkakaanak?” Understanding The Rise Of The Dual Income And No Kids (Dink) Families In The Philippines, Maria Veronica Y. Cervantes, Lucille Beatrice P. Casipit, Stephanie Marie D. Jacob, Sabrina Yunis C. Obispo, Marie_Valen N. Cortez Dec 2025

“Kailan Ka Magkakaanak?” Understanding The Rise Of The Dual Income And No Kids (Dink) Families In The Philippines, Maria Veronica Y. Cervantes, Lucille Beatrice P. Casipit, Stephanie Marie D. Jacob, Sabrina Yunis C. Obispo, Marie_Valen N. Cortez

Sinaya: A Philippine Journal for Senior High School Teachers and Students

The Dual Income, No Kids (DINK) lifestyle is gaining popularity in the Philippines as couples prioritize financial freedom and personal development. It is recognized that in the Philippines, where family-centered values hold significant importance, living a childfree lifestyle remains a rare choice. However, this choice has recently gained attention, reflecting a growing tension between traditional expectations and modern aspirations. Lack of literature on Dual Income, No Kids (DINK) families in the Philippines created a gap in understanding this phenomenon and failed to present how Filipino couples navigate this choice. The study employed a transcendental phenomenological (TPh) approach, which involves understanding …


“She’S Not A Regular Mom, She’S A Cool Mom”: A Phenomenological Study Of Permissive Maternal Parenting On An Adolescent Daughter’S Interpersonal And Intrapersonal Relationships, Chloe Anne D. Gallardo, Williana Erich R. Balane, Ailesgreis Rinoah C. Lim, Juriel Elpiz B. Lumabi, Anna Margarita E. San Juan Dec 2025

“She’S Not A Regular Mom, She’S A Cool Mom”: A Phenomenological Study Of Permissive Maternal Parenting On An Adolescent Daughter’S Interpersonal And Intrapersonal Relationships, Chloe Anne D. Gallardo, Williana Erich R. Balane, Ailesgreis Rinoah C. Lim, Juriel Elpiz B. Lumabi, Anna Margarita E. San Juan

Sinaya: A Philippine Journal for Senior High School Teachers and Students

Within the context of Filipino gender and cultural norms, mothers often navigate both conservative and liberal approaches in raising their daughters. Among these, permissive parenting, which emphasizes freedom and minimal control, shapes adolescent development in unique ways. Therefore, this study explores how adolescent daughters perceive their permissive mothers’ influence on intrapersonal and interpersonal relationships. Grounded in the Self-Determination Theory, the study examines how autonomy, relatedness, and competence emerge in their daughters’ lived experiences and mother-daughter relationships. This research addresses the lack of local literature by shedding light on mother-daughter dynamics through an interpretative phenomenological approach. This study explores the lived …


Living Through Adversity: Understanding Discrimination, Resilience, And Psychological Well-Being Among Filipino Transgender Youth, Allaiza Liz M. Sarino, Athena Christine P. Garcia, Kirsten Jada P. Hinto, Stella P. Go Dec 2025

Living Through Adversity: Understanding Discrimination, Resilience, And Psychological Well-Being Among Filipino Transgender Youth, Allaiza Liz M. Sarino, Athena Christine P. Garcia, Kirsten Jada P. Hinto, Stella P. Go

Sinaya: A Philippine Journal for Senior High School Teachers and Students

Transgender youth continue to face systemic discrimination and social marginalization. These barriers can hinder their development and negatively affect their psychological well-being. However, little is known about the specific ways Filipino transgender youth experience discrimination and develop resilience. To address this gap, this study sought to understand the lived experiences of Filipino transgender youth, focusing on the discrimination they face and the resilience factors that contribute to their psychological well-being. This study employed a descriptive phenomenological approach, utilizing online in-depth interviews with nine transgender youth aged 17 to 23 from Metro Manila, comprising five female-to-male and four male-to-female individuals, who …


“Vadeng, Ang Bato, Darna!:” The Queering Strategies And Resulting Queer Representation In Sapphic Tiktok Fan Edits Of Darna (2022), Ashley Rian A. Branzuela, Eshe Dafny M. Donato, Ceana Louise L. Llanes, Allyza Rose S. Santiago, Nathaniel Rey D. Ferrer Dec 2025

“Vadeng, Ang Bato, Darna!:” The Queering Strategies And Resulting Queer Representation In Sapphic Tiktok Fan Edits Of Darna (2022), Ashley Rian A. Branzuela, Eshe Dafny M. Donato, Ceana Louise L. Llanes, Allyza Rose S. Santiago, Nathaniel Rey D. Ferrer

Sinaya: A Philippine Journal for Senior High School Teachers and Students

The Filipino teleserye, known for its social realism, offers insights into its viewers’ lives but often presents limited and stereotyped portrayals of LGBTQI+ individuals, including queer women, due to heteronormativity. Fanfiction, specifically slash fiction, resists this by reimagining heteronormative narratives from a queer angle. Despite digital media advancements, Philippine research has yet to analyze fan-led queer representation on digital storytelling platforms, such as TikTok. Hence, following similar research by McGorry (2022), this study purposively sampled fifty sapphic TikTok fan edits of the teleserye Darna (2022) to examine how Vadengs, fans of protagonists Narda Custodio (Darna) and Regina Vanguardia (Valentina), reimagined …


Choices, Challenges, And Considerations: Exploring College Application Experiences Of De La Salle University Manila Senior High School Students To The Big Four Universities, Samantha Elise F. Bago, Argie Joseph F. Geronimo, Zenaida Victoria Alejandra M. Ilao, Kimberly Cassandra G. Jose, April Rose C. Gonzales Dec 2025

Choices, Challenges, And Considerations: Exploring College Application Experiences Of De La Salle University Manila Senior High School Students To The Big Four Universities, Samantha Elise F. Bago, Argie Joseph F. Geronimo, Zenaida Victoria Alejandra M. Ilao, Kimberly Cassandra G. Jose, April Rose C. Gonzales

Sinaya: A Philippine Journal for Senior High School Teachers and Students

Most Filipino students strive to secure successful applications to universities such as the University of the Philippines (UP), Ateneo de Manila University (ADMU), De La Salle University (DLSU), and the University of Santo Tomas (UST). Known as the Big Four Universities, they are recognized for their high rankings, strong academic programs, scholarship opportunities, campus resources, strategic locations, alumni networks, and overall prestige. However, applying to these institutions is not without challenges, especially as senior high school (SHS) students balance their academic demands with application requirements. These narratives are often overlooked, overshadowed by the success or failure of the applications. Thus, …


Bio-Papcz: Corn Starch-Based Composite Bioplastic Reinforced With Pineapple Leaf Fiber (Palf), Zinc Oxide (Zno), And Polyvinyl Alcohol (Pva), Marvin C. Caya, Shervin Austin C. Huang, Jovar Khalel J. Maghari, Ruel M. Levida Dec 2025

Bio-Papcz: Corn Starch-Based Composite Bioplastic Reinforced With Pineapple Leaf Fiber (Palf), Zinc Oxide (Zno), And Polyvinyl Alcohol (Pva), Marvin C. Caya, Shervin Austin C. Huang, Jovar Khalel J. Maghari, Ruel M. Levida

Sinaya: A Philippine Journal for Senior High School Teachers and Students

Plastic pollution poses a serious global threat, as petroleum-based plastics persist for centuries, and their surging production of over 450 million tons overwhelms ecosystems (Ritchie et al., 2023). Using a quantitative experimental research design, the study examined the effects of varying concentrations of cornstarch-based bioplastic reinforced with pineapple leaf fiber (PALF), polyvinyl alcohol (PVA), and zinc oxide (ZnO) on the bioplastic’s tensile strength and soil degradability. Sample C2 (ZnO 3.0 %w/w; PVA 9.0 %w/w) demonstrated the optimal tensile properties with a tensile strength of 0.76 MPa and an elongation at break of 6.40%, which was attributed to the addition of …


Effects Of Foam Type And Thickness On Impact Resistance, Thermal Insulation, And Cost-Effectiveness Of Medical Containers For Drone Delivery, Josh Henry C. Soriano, Eriel V. Fonte, Lambertsus S. Novera, Nicolai Paolo B. Villarin, Joel B. Jalon, Jr. Dec 2025

Effects Of Foam Type And Thickness On Impact Resistance, Thermal Insulation, And Cost-Effectiveness Of Medical Containers For Drone Delivery, Josh Henry C. Soriano, Eriel V. Fonte, Lambertsus S. Novera, Nicolai Paolo B. Villarin, Joel B. Jalon, Jr.

Sinaya: A Philippine Journal for Senior High School Teachers and Students

Accessible healthcare remains a challenge for rural communities lacking reliable infrastructure for medical supply delivery. Delivery drones have recently emerged as a viable alternative, dropping medical containers during flight. However, the effectiveness of different foam types and thicknesses combined with corrugated cardboard as shock-absorbing materials in a medical container for delivery drones has yet to be tested. Thus, this study designed cost-effective containers using corrugated cardboard and multiple foam types and thicknesses, aiming to preserve the integrity of the contents, withstand impact, and control temperatures. Four foam types—polystyrene, polyurethane, polyethylene, and expanded polystyrene (EPS) —were tested at 1 cm, 2 …


Baseline Assessment Of Insect Biodiversity And Distribution In La Salle Botanical Gardens, Pampanga, Philippines, Amir Lyndon Gavriell C. Beup, Kaleela Euan G. Jayson, Alyssa Ira Z. Tan, Ronielle Elisha S. Pascual, Alexi Gabrielle S. Henson, Esperidion Josef P. Ladao Iii, Juan Carlo T. Gumangan Dec 2025

Baseline Assessment Of Insect Biodiversity And Distribution In La Salle Botanical Gardens, Pampanga, Philippines, Amir Lyndon Gavriell C. Beup, Kaleela Euan G. Jayson, Alyssa Ira Z. Tan, Ronielle Elisha S. Pascual, Alexi Gabrielle S. Henson, Esperidion Josef P. Ladao Iii, Juan Carlo T. Gumangan

Sinaya: A Philippine Journal for Senior High School Teachers and Students

Insects are crucial for ecosystem functions, such as pollination and food web maintenance. This study aims to assess insect biodiversity in La Salle Botanical Gardens (LSBG) in Porac, Pampanga, focusing on its grassland and forestland areas. Using rapid biodiversity assessment, this study provides baseline data on insect diversity, abundance, dominance, and evenness for conservation. Sampling employed transect line intercept and quadrat methods. Specimens were collected using different collection and preservation techniques. Insects (n = 184) were collected from August to October 2024, with specimens (n = 46) belonging to seven insect orders in the grassland and specimens (n = 138) …


Comparing Individual Vs Mixed Treatments Of Chicken Bone Meal And Crab Shell Meal On The Growth Of Capsicum Annuum (Bell Pepper), Allthur Rudy R. Arroyo, John Rafael V. Capinia, Ethan Jude R. Reyes, Elnathan Jethro B. Sumalbag, Karl Benedict E. Viri, John Ray Cordova Estrellado, Kerry P. Cabral Dec 2025

Comparing Individual Vs Mixed Treatments Of Chicken Bone Meal And Crab Shell Meal On The Growth Of Capsicum Annuum (Bell Pepper), Allthur Rudy R. Arroyo, John Rafael V. Capinia, Ethan Jude R. Reyes, Elnathan Jethro B. Sumalbag, Karl Benedict E. Viri, John Ray Cordova Estrellado, Kerry P. Cabral

Sinaya: A Philippine Journal for Senior High School Teachers and Students

The recycling of nutrient-rich food waste reduces reliance on synthetic fertilizers, enhances soil quality, and improves plant growth. Existing studies have demonstrated the effectiveness of food waste, such as bone meal (B) and crab shell meal (S), as fertilizers; however, their combined use has not been investigated. This study aims to evaluate the effect of varying proportions of B and S fertilizers on the growth of Capsicum annuum (bell pepper) employing a random complete block design with 10 treatments (pure B, pure S, and a 50:50 BS mix, each at 7 g, 14 g, and 21 g) plus a control …


Exploring The Metric Dimension Of The Graph Representing A Four-Ring Polycyclic Aromatic Hydrocarbon: Interstellar 1-Cyanopyrene, Andrei Matthew V. Robino, Sebastian Alex C. Traviña, Karl Benedict P. Narag, Mark Anthony B. Casao, Helix Raven C. Llanes, Azriel C. Alejo, Jonel C. Celamor Dec 2025

Exploring The Metric Dimension Of The Graph Representing A Four-Ring Polycyclic Aromatic Hydrocarbon: Interstellar 1-Cyanopyrene, Andrei Matthew V. Robino, Sebastian Alex C. Traviña, Karl Benedict P. Narag, Mark Anthony B. Casao, Helix Raven C. Llanes, Azriel C. Alejo, Jonel C. Celamor

Sinaya: A Philippine Journal for Senior High School Teachers and Students

A graph's metric dimension is a parameter that denotes the minimum possible number of vertices in a subset that gives each vertex in the graph a unique representation. Despite extensive research on the metric dimension of polycyclic aromatic hydrocarbons (PAHs), there is currently no focused analysis on the metric basis and metric dimension of 1-cyanopyrene. In chemistry, graphs can be used to depict molecular structures. In this study, graph theory, specifically the concept of metric dimensions, is applied to the molecular structure of 1-cyanopyrene, which was detected in space for the first time in 2024. 1-cyanopyrene is a molecule made …


Experiences Of Bukidnon Farmers On The Use Of Carbonized Rice Hulls (Crh) Waste From Biomass Boilers As A Soil Conditioner, Dash Constantine S. Chamen, Queen Loraine D. Ban, Michael Justin O. Eluna, Pole Honson B. Gabitano, Ian Jay P. Saldo, Jhovel Roy D. Calo Dec 2025

Experiences Of Bukidnon Farmers On The Use Of Carbonized Rice Hulls (Crh) Waste From Biomass Boilers As A Soil Conditioner, Dash Constantine S. Chamen, Queen Loraine D. Ban, Michael Justin O. Eluna, Pole Honson B. Gabitano, Ian Jay P. Saldo, Jhovel Roy D. Calo

Sinaya: A Philippine Journal for Senior High School Teachers and Students

The long-term use of agricultural products that adversely affect soil is a significant issue for farmers. This study explored the potential of carbonized rice hulls (CRH) waste from biomass boilers as a sustainable soil conditioner. The research investigated the specific soil conditioning properties of CRH and explored the lived experiences of nine (9) Bukidnon farmers to correlate their observations with the material’s chemical profile. The composition analysis identified a high silica content and essential micronutrients, such as calcium and magnesium, which act as nutrient restorers and pH regulators. The thematic analysis of semi-structured interviews, four themes emerged to summarize the …


Exploring The Concept Of Love-Bombing In Young Adult Filipino Lesbian Relationships, Marcus M. Paredes, Eyre Angelique L. Pasion, Chrisanne Margareth P. Dela Peña, Francois Louis T. Acosta, Chrizelle Villanueva Dec 2025

Exploring The Concept Of Love-Bombing In Young Adult Filipino Lesbian Relationships, Marcus M. Paredes, Eyre Angelique L. Pasion, Chrisanne Margareth P. Dela Peña, Francois Louis T. Acosta, Chrizelle Villanueva

Sinaya: A Philippine Journal for Senior High School Teachers and Students

The study explores how young adult Filipino lesbians define, experience, and interpret the phenomenon of love-bombing in their romantic relationships. Addressing the scarcity of local scholarly work, the study employed a phenomenological design with ten purposively selected self-identified lesbian key informants, aged 18 to 27, from the Philippines. Semi-structured interviews were conducted, and data were analyzed using Colaizzi’s descriptive phenomenological approach, which yielded nine themes organized into three overarching domains. The first domain focused on the experience of love-bombing, highlighting patterns of romantic intensification, emotional dependence, and blurred relational boundaries. The second domain surfaced responses to the experience, including emotional …


Hanggang Kaibigan Lang, Hindi Kailanman Kasintahan: A Descriptive Phenomenological Approach On The Unrequited Feelings Within Cross-Sex Friendships Leading To Friendzone, Shekinah Mizpah P. Alutaya, Jm Cassandra M. Cammayo, John Kyle C. Mendoza, Liezl Rillera-Astudillo Dec 2025

Hanggang Kaibigan Lang, Hindi Kailanman Kasintahan: A Descriptive Phenomenological Approach On The Unrequited Feelings Within Cross-Sex Friendships Leading To Friendzone, Shekinah Mizpah P. Alutaya, Jm Cassandra M. Cammayo, John Kyle C. Mendoza, Liezl Rillera-Astudillo

Sinaya: A Philippine Journal for Senior High School Teachers and Students

This study examined the long-term emotional and relational consequences of being "friend-zoned" by a cross-sex best friend among Filipino young adults. Nine participants aged 18–35 met the inclusion criteria of having experienced unreciprocated romantic interest toward a cross-sex best friend; “best friend” was operationalized by relationship duration, mutual emotional disclosure, frequent contact, and self-identification as best friends, situating the inquiry within the Philippine cultural context. Data were collected through in-depth, semi-structured interviews that were analyzed using Giorgi’s descriptive phenomenological method, bracketing, to articulate the essential structure of the experience, with reflexive memo writing and an audit trail to support rigor. …


“Maria! Balbon Mo, Ahitin Mo!”: Ang Karanasan Ng Mga Pilipina Sa Pagtanggal Ng Buhok Sa Katawan Bilang Isang Beauty Standard, Zakiya Clarisse Y. Carabuena, Julianne Krystoff B. De Leon, Rebecca W. Dionisio, Alliah Kristy A. Sato, Deborrah S. Anastacio Dec 2025

“Maria! Balbon Mo, Ahitin Mo!”: Ang Karanasan Ng Mga Pilipina Sa Pagtanggal Ng Buhok Sa Katawan Bilang Isang Beauty Standard, Zakiya Clarisse Y. Carabuena, Julianne Krystoff B. De Leon, Rebecca W. Dionisio, Alliah Kristy A. Sato, Deborrah S. Anastacio

Sinaya: A Philippine Journal for Senior High School Teachers and Students

Ang pagtanggal ng buhok sa katawan ng mga kababaihan ay naging isang pamantayan ng kagandahan na may malalim na ugnayan sa mga impluwensyang panlipunan at pangkulturang aspeto. Ang layunin ng pag-aaral na ito ay tuklasin kung bakit at paano nagpapatanggal ng buhok sa katawan ang mga kababaihan sa Pilipinas, pati na rin ang impluwensya ng mga pamantayang ito sa kanilang desisyon at karanasan. Gumamit ang pananaliksik na ito ng kwalitatibong metodolohiya, partikular na ang purposive sampling, upang makapanayam ang pitong (7) kababaihan na nasa edad 18-25 at mayroon nang karanasan sa pagtanggal ng buhok sa katawan. Ang mga panayam …


To Us For Every Decision We Make: A Deleuzian And Guattarian Criticism Of The Films "To Me The One Who Loved You And To Every You I'Ve Loved Before", Elstenn Nicholas Misa, Chino Samuel C. Sta. Ana, Ayed Anthony N. Velasco, Nathaniel Rey D. Ferrer Dec 2025

To Us For Every Decision We Make: A Deleuzian And Guattarian Criticism Of The Films "To Me The One Who Loved You And To Every You I'Ve Loved Before", Elstenn Nicholas Misa, Chino Samuel C. Sta. Ana, Ayed Anthony N. Velasco, Nathaniel Rey D. Ferrer

Sinaya: A Philippine Journal for Senior High School Teachers and Students

Anime has emerged not only as a form of entertainment but also as a cultural and philosophical medium exploring concepts such as identity, decision-making, and existential dilemmas. Despite its growing influence in both global and Filipino contexts, little scholarly attention has been given to how philosophical frameworks like Deleuze and Guattari’s can be applied to analyze such narratives. The study analyzed To Every You I’ve Loved Before (2022) and To Me The One Who Loved You (2022) while applying Deleuze and Guattari’s philosophical approach to understand how decisions, with identity formation and social norms, affect character development. The research applies …


A Visual Analysis Of Sogie-Themed Children’S Storybooks From Mulat Sulat, Audrey Leigh T. De Leon, Cassandra Louise A. Ma, Jennifer Shan E. Ou, Belle Beatriex' M. Alemania Dec 2025

A Visual Analysis Of Sogie-Themed Children’S Storybooks From Mulat Sulat, Audrey Leigh T. De Leon, Cassandra Louise A. Ma, Jennifer Shan E. Ou, Belle Beatriex' M. Alemania

Sinaya: A Philippine Journal for Senior High School Teachers and Students

Children’s storybooks play a crucial role in the significance of sexual orientation, gender identity, and expression (SOGIE) and the realities of gender-based representation. Although previous literature has analyzed books through textual analysis, there remains a gap in the visual analysis of SOGIE-themed Filipino children’s books. Therefore, this study focuses on the visual representation of characters in five storybooks published under the Mulat Sulat project in 2018. This research employed the first three levels of Rodriguez and Dimitrova’s (2011) visual framing framework to analyze how illustrations are depicted through various visual elements. Additionally, this study utilized Bisht’s (2020) coding template to …