PJS 151 No3 June 2022

Philippine Journal of Science Vol. 151 No. 3, June 2022



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Deep Learning Approach to Forecasting Dengue Cases in Davao City Using Long Short-term Memory (LSTM)
Kim Dianne B. Ligue and Kristine Joy B. Ligue

Efficacy of Enriched Medium-chain Fatty Acids in Virgin Coconut Oil in Their Antibacterial Activity against Food Pathogens
Van T.A. Nguyen and Tai T. Diep

Radiation Attenuation Processes: the Role of Clay Porous Media
Lohane Tech, Luiz Fernando Pires, André Mauricio Brinatti, Sérgio Costa Saab, and Jadir Aparecido Rosa

Risk Assessment and Identification of Potentially Invasive Non-native Freshwater Fish Species (Order: Siluriformes) in Lake Taal, Philippines
Dale Anthony L. To, Geoffrey Miguel L. Gomez, Diego Rafael Y. Ramos, Charles David V. Palillo, Neil Kendrick C. Go, Allan S. Gilles Jr., Jonathan Carlo A. Briones, and Richard Thomas B. Pavia Jr.

Rapid Screening of Pesticide Residues in Organic-labeled and Conventional Vegetables in Southern Luzon, Philippines and Its Implication on Food Safety
John Julius P. Manuben, Jasper A. Sarmiento, and Cristina M. Bajet

Production and Characterization of Protein Isolates and Hydrolysates from Slipper Cupped Oyster (𝘊𝘳𝘢𝘴𝘴𝘰𝘴𝘵𝘳𝘦𝘢 𝘪𝘳𝘦𝘥𝘢𝘭𝘦𝘪)
Karmelie Jane M. Monaya, Honey Lyn R. Gomez, Lhumen A. Tejano, and Jose P. Peralta

Diversity and Abundance of Sea Cucumbers in Selected Areas of Mindanao, Philippines
Elgen M. Arriesgado, Marnelle B. Sornito, Josuah D. Zalsos, Jomar F. Besoña, Leemarc C. Alia, Flordeline A. Cadeliña, Maria Lyn M. Magcanta-Mortos, and Wilfredo H. Uy

Optimization of Cassava Starch, Glycerol, and Lactic Acid Concentrations as Active Edible Coating for Pork Meat
Monica R. Manalo and Alonzo A. Gabriel

Mercury Concentration of the Soil Profiles of the Abandoned Mercury Mine in Sta. Lourdes, Puerto Princesa City, Palawan, Philippines
Royette C. Posadas, Alvin Angelo A. Salting, Joan Grace T. Yamas, and Ernesto S. Patayon

Greenhouse Gas Emissions Inventory of a University in the Philippines: the Case of UP Cebu
Aiza C. Cortes

Yield-contributing Factors in Lowland Irrigated Rice as Affected by Variety, Water Management, and Fertilizer Rate in Agusan Soil
Jehru C. Magahud and Princess Anne B. Padios

Non-deuterated ¹H NMR Spectrometric Method for the Rapid and Direct Analysis of Alcohol Content in Hand Sanitizers
Harriet Jane R. Caleja-Ballesteros, Joel I. Ballesteros, and Marte C. Villena

Growth of Harmful Dinoflagellate 𝘔𝘢𝘳𝘨𝘢𝘭𝘦𝘧𝘪𝘥𝘪𝘯𝘪𝘶𝘮 𝘱𝘰𝘭𝘺𝘬𝘳𝘪𝘬𝘰𝘪𝘥𝘦𝘴 in Different Nutrient Concentrations
Asilah Al-Has, Normawaty Mohammad-Noor, Sitti Raehanah Muhamad Shaleh, Aimimuliani Adam, Wan Arina Azrinor, and Encik Weliyadi

𝘐𝘯 𝘚𝘪𝘭𝘪𝘤𝘰 Evaluation of the Taxonomic Resolution and Coverage of the COI Region and Alternative Barcode Markers for Echinoderms
Ardea M. Licuanan and Ambrocio Melvin A. Matias

Ecotoxicological Assessment of Water and Sediment in Areas of Taal Lake with Heavy Aquaculture Practices Using 𝘈𝘭𝘭𝘪𝘶𝘮 𝘤𝘦𝘱𝘢 and 𝘋𝘢𝘱𝘩𝘯𝘪𝘢 𝘮𝘢𝘨𝘯𝘢 Assay
Vincent Pamugas Reyes, Michelle A. Ventura, and Procula B. Amarillo

Production of Dextrin by Steam Explosion from Starch Extracted from Oil Palm Stem Waste
Syarifah Yusra, Chusnul Hidayat, Yudi Pranoto, Chairil Anwar, Rizki Damayanti, Muhammad Zulfajri, and Sri Wahyuna Saragih

NSIC Rc222-derived Mutants Characterized for Field Performance Identifying Putative Complete Submergence Tolerant Lines
Christopher C. Cabusora, Rj D. Buluran, and Nenita V. Desamero

Developing an Efficient Sampling Strategy for the Research and Development Survey in the Philippines
Maurice C. Borromeo and Dalisay S. Maligalig

First Successful Transport and Short-term Rearing of the Endangered 𝘚𝘢𝘳𝘥𝘪𝘯𝘦𝘭𝘭𝘢 𝘵𝘢𝘸𝘪𝘭𝘪𝘴 (Herre, 1927) in 𝘌𝘹 𝘚𝘪𝘵𝘶 Captivity
Ma. Vivian C. Camacho, Jon Carlo B. Gonzales, and Kent Elson S. Sorgon

Addressing Rice Waste in University Cafeterias Using Material Flow Analysis and System Dynamics Modeling
Abigail Marie Favis, Charlotte Kendra Gotangco Gonzales, and Ana Erika Lareza

Molecular Characterization and Assessment of Abundance of 𝘛𝘩𝘳𝘪𝘱𝘴 𝘩𝘢𝘸𝘢𝘪𝘪𝘦𝘯𝘴𝘪𝘴 (Morgan, 1913) on the Three Plantations of Cavendish Banana in Davao del Norte, Philippines
Cecilia P. Reyes, Barbara L. Caoili, Roderick M. Granada, Mario C. Jumamoy, Benny M. Corcolon, Daniella Jean E. Pamulaklakin, and Junel B. Guzman

Assessment of Genetic Diversity in Côte d’Ivoire Cassava (𝘔𝘢𝘯𝘪𝘩𝘰𝘵 𝘦𝘴𝘤𝘶𝘭𝘦𝘯𝘵𝘢 Crantz) Using SSR Markers
Dorcas Adjoua Kouakou, Kevin Kouamé Koffi, Severin Beket Bonny, Guillaume Kouame Koffi, and Arsène Irié Zoro Bi

Potent Anti-𝘊𝘶𝘵𝘪𝘣𝘢𝘤𝘵𝘦𝘳𝘪𝘶𝘮 𝘢𝘤𝘯𝘦𝘴 Activity of the Essential Oils derived from 𝘈𝘭𝘭𝘪𝘶𝘮 𝘴𝘢𝘵𝘪𝘷𝘶𝘮, 𝘎𝘢𝘳𝘥𝘦𝘯𝘪𝘢 𝘫𝘢𝘴𝘮𝘪𝘯𝘰𝘪𝘥𝘦𝘴, and 𝘏𝘦𝘥𝘺𝘤𝘩𝘪𝘶𝘮 𝘤𝘰𝘳𝘰𝘯𝘢𝘳𝘪𝘶𝘮 Cultivated in Thailand
Kiettipum Phontree, Siros Tongchure, Teeratad Sudsai, and Pragatsawat Chanprapai

Lowland Ecotype 𝘊𝘺𝘱𝘦𝘳𝘶𝘴 𝘳𝘰𝘵𝘶𝘯𝘥𝘶𝘴 L. Affects Growth and Yield of Rice under Flooded Conditions in the Philippines
Dindo King M. Donayre, Jessica Joyce L. Jimenez, Anna Maria Lourdes S. Latonio, Edwin C. Martin, and Bhagirath S. Chauhan

Plant Growth Promoting Properties of a Novel Species of 𝘙𝘩𝘪𝘻𝘰𝘣𝘪𝘶𝘮 sp. Strain 11515TR Isolated from Tomato Rhizosphere in Los Baños, Laguna, Philippines
Lucille C. Villegas, Andrew D. Montecillo, Julius Anthony M. Leones, and Asuncion K. Raymundo

On the Observed Blattellid (Blattodea) Pollinivory on 𝘏𝘪𝘱𝘱𝘦𝘢𝘴𝘵𝘳𝘶𝘮 𝘱𝘶𝘯𝘪𝘤𝘦𝘶𝘮 (Lam.) Voss (Amaryllidaceae) in Southcentral Mindanao, Philippines
Krizler C. Tanalgo

Economically Important Benthic Macroinvertebrates in the Reefs of West Sulu Sea, Palawan, Philippines
Rodulf Anthony T. Balisco, Benjamin J. Gonzales, and Roger G. Dolorosa

Ethnobotany of Medicinal Seaweeds of Ilocos Norte, Philippines
Richard V. Dumilag and Raymundo F. Javier

Assessment of Soil Condition Using Soil Quality Index of Different Land Use Types in Liliw, Laguna, Philippines
Ma. Armie Janica P. Ramirez, Roberto G. Visco, Canesio D. Predo, and Marco A. Galang

Factors Influencing Employment of Female Graduates of Technical and Vocational Education and Training Program in the Philippines
Mara Sherlin D.P. Talento, Nancy A. Tandang, Rosette Anne O. Rogelio, and Rachelyn Ann S. Araña-Roldan

Digital Payment Adoption during the COVID-19 Pandemic in the Philippines
Imee Marie A. Acopiado, Jon Marx P. Sarmiento, Glory Dee A. Romo, Thaddeus R. Acuña, Adonis M. Traje, and Geraliza D. Wahing

Polyhydroxyalkanoates (PHA) Extraction Protocol Selection Using AHP-GRA
Princess J. Requiso, Ruby Lynn G. Ventura, Fidel Rey P. Nayve Jr., and Jey-R S. Ventura

Macroplastic Transport and Deposition in the Environs of Pulauan River, Dapitan City, Philippines
Judea Christine M. Requiron and Hernando P. Bacosa

New Insights into the Morphology and Distribution of the Poorly Known Philippine Endemic 𝘏𝘰𝘺𝘢 𝘫𝘰𝘴𝘦𝘵𝘵𝘦𝘢𝘦 (Apocynaceae, Marsdenieae) with Notes on its Conservation Status
Mark Arcebal K. Naive, Al James A. Manua, Keren Jollia M. Nuñeza, Olga M. Nuñeza, Jorge Sahagun, and Fernando B. Aurigue

Performance Analysis of a Philippine REIT and Its Optimal Allocation in a Mixed-asset Portfolio
Alfonso Luigi Miguel Sallan and Eleanor Gemida

Physiological Responses, Growth, and Heavy Metal Accumulation of Citronella (𝘊𝘺𝘮𝘣𝘰𝘱𝘰𝘨𝘰𝘯 𝘯𝘢𝘳𝘥𝘶𝘴 Rendle.) in Cu-Ni Mine Tailings as Affected by Soil Amendments
Venecio U. Ultra Jr., Kutlo Martin Ngwako, and Peter Eliason

𝘐𝘯 𝘚𝘪𝘵𝘶 Bioremediation and Crop Growth Promotion Using 𝘛𝘳𝘪𝘤𝘩𝘰𝘥𝘦𝘳𝘮𝘢 Microbial Inoculant (TMI) Ameliorate the Effects of Cu Contamination in Lowland Rice Paddies
Virginia C. Cuevas and Charina Gracia B. Banaay

Phylogenetic Analysis of Philippine Native Pigs (𝘚𝘶𝘴 𝘴𝘤𝘳𝘰𝘧𝘢 L.) from Batanes, Quezon, and Marinduque Based on Mitochondrial DNA D-loop Markers
Melissa S. Dichoso, Rick Julius D. Cruz, Renato S.A. Vega, Ma. Carmina C. Manuel, Kuan-Yi Li, Yu-Ten Ju, and Rita P. Laude

Stabilization of Acidified Whey Drink Made from Buffalo (𝘉𝘶𝘣𝘢𝘭𝘶𝘴 𝘣𝘶𝘣𝘢𝘭𝘪𝘴) Milk with the Addition of Pectin from Mango (𝘔𝘢𝘯𝘨𝘪𝘧𝘦𝘳𝘢 𝘪𝘯𝘥𝘪𝘤𝘢) Peels
Mina P. Abella, Ma. Cristina B. Gragasin, Patrizia Camille O. Saturno, Teresita M. Baltazar, and Sheryll May M. Villota

Growth, Egg Production, and Phenotypic Characteristics of the Commercial Egg-type Philippine Mallard Duck (𝘐𝘗 𝘒𝘢𝘺𝘶𝘮𝘢𝘯𝘨𝘨𝘪) under Intensive Management System
Rene C. Santiago, Karen D. Villareal, Mat M. San Agustin, Ramil B. Balotro, Camilo R. Rey, Jane Pauline M. Esguerra, Angel L. Lambio, and Veneranda A. Magpantay