PJS v148 2

Philippine Journal of Science Vol. 148 No. 2, June 2019


About the Cover

Valuable Lessons from a Decade of ERDT and ASTHRDP Implementation
Caesar A. Saloma

New Editorial Board Members of PJS Announced
David Matthew C. Gopilan

Farmed Tilapia Production in the Philippines Is Declining: What Has Happened and What Can Be Done
Rafael D. Guerrero III


Digital Image Photometry of Xylose in Liquid Medium
Ma. Roselette L. Alojado-Rubianes and Ernesto J. del Rosario

Risk Factors Associated with Zinc Status of Filipino Preschool and School-aged Children
Juanita M. Marcos, Leah A. Perlas, and Glen Melvin P. Gironella

Properties and Utilization of Young-age Yemane (Gmelina arborea Roxb.) for Lumber Production
Marina A. Alipon, Elvina O. Bondad, Pablito L. Alcachupas, and Emelyne C. Cortiguerra

Chemical Reaction Networks: Filipino Contributions to their Theory and its Applications
Carlene P.C. Pilar-Arceo, Editha C. Jose, Angelyn R. Lao, and Eduardo R. Mendoza

Proficiency Indicators for Philippine STEAM (Science, Technology, Engineering, Agri/fisheries, Mathematics) Educators
Marie Paz E. Morales, Jovito C. Anito, Ruel A. Avilla, Edna Luz R. Abulon, and Caesar P. Palisoc

Detection of Extended-spectrum β-Lactamase-producing Klebsiella pneumoniae Isolated from Four Provincial Hospitals in Luzon and Genotyping of β-Lactamase (blaCTX-M, blaTEM, blaSHV, and blaOXA-1) Genes
Joel C. Cornista, Anna Margarita D. Cuña, Helen Juvy A. Sanchez, and Marilen P. Balolong

Analysis of Water Property Rights and Responsibilities of Rights Holders in Tigum-Aganan Watershed, Philippines
Joy C. Lizada, Rosalie Arcala Hall, Teresita S. Espinosa, and Agnes C. Rola

Functional Traits of Stem and Leaf of Wrightia candollei S. Vidal
Jonathan O. Hernandez, Marilyn O. Quimado,  Edwino S. Fernando, Dennis E. Pulan, Lerma S.J. Maldia, and Pastor L. Malabrigo Jr.

Weak Algebra Bundles and Associator Varieties
Clarisson Rizzie P. Canlubo

Foodborne Disease Outbreaks in the Philippines (2005–2018)
Maria Patricia V. Azanza, Bernard Niño Q. Membrebe, Rowena Grace R. Sanchez, Emil Emmanuel C. Estilo, Una Grace M. Dollete, Rodney J. Feliciano, and Nadine Kristel A. Garcia

DNA Barcodes of Caulerpa Species (Caulerpaceae, Chlorophyta) from the Northern Philippines
Richard V. Dumilag, Zae-Zae A. Aguinaldo, Ver Angelo M. Alcoriza, Maria Pia Sarah B. Balucanag, Allissa Rose T. Dulalia, and Arnel R. Sayasa

Residual Grade and Waste Abaca Fibers as Reinforcement for Packaging and Printing/Writing Papers from Recycled Fiber
Erlinda L. Mari, Cesar O. Austria, Adela S. Torres, and Emmanuel P. Domingo

Native Trees on Mount Lantoy Key Biodiversity Areas (KBA), Argao, Cebu, Philippines
Edgardo P. Lillo, Archiebald B. Malaki, Steve Michael T. Alcazar, Ritchie U. Nuevo, and Raamah Rosales

Laboratory Scale Preparation of Potentially Inexpensive Low- and Middle-range Protein Molecular Weight Markers for SDS-PAGE
Mariam C. Recuenco and Kennethjer G. Alejo

Trichome Composition of Leaf Domatia as Potential Morphoanatomical Marker of the Four Commercially Viable Coffea Species

Lloyd O. Balinado and Lourdes B. Cardenas

Absorbed Dose Rates in Air Along the Roads in Quezon City, Philippines

Kazuki Iwaoka, Lorna Jean H. Palad, Christopher O. Mendoza, Masahiro Hosoda, Paolo Tristan F. Cruz, Eliza B. Enriquez, Ryan Joseph Aniago, Chitho P. Feliciano, Shinji Tokonami, and Reiko Kanda

Utilization of Hydrated Petrifilm Coupled with Filtration in the Detection and Enumeration of Escherichia coli in Water Samples
Angelou Vanessa Z. Tarroza, Kristine V. Catsao, Marie Angeli Ramos, Lucille C. Villegas, and Asuncion K. Raymundo

Quantitative Trait Loci Associated with Root Elongation Ability of Rice under Nitrogen-deficient Condition
Jennifer M. Manangkil, Jonathan M. Niones, Jerwin R. Undan, Mitsuhiro Obara, Teodora E. Mananghaya, Rachelle P. Mallari, Maybell DM. Banting, Sherilyn B. Estrada, Mark Philip B. Castillo, and Roel R. Suralta

Age-based Growth Variation of Green-blotched Parrotfish Scarus quoyi in the Southern Philippine Seas
Merlene E. Elumba, May Anne E. Mata, Muhammad Monzer Abpi, and Cleto L. Nañola Jr.

First Record of Folivory in the Tube-nosed Fruit Bat, Nyctimene rabori Heaney & Peterson, 1984 in Mt. Lantoy Key Biodiversity Area, Cebu, Philippines

Steve Michael T. Alcazar, Archiebald Baltazar B. Malaki, Edgardo P. Lillo, Ritche U. Nuevo, and Raamah C. Rosales