The Philippine Journal of Science (PJS) publishes regularly on a bimonthly (every two months) frequency, releasing issues in February, April, June, August, October, and December each year.

Comparative Expression Analysis of Small Intestine Nutrient Transporters Sodium/Glucose Cotransporter 1 (SGLT1) and Peptide Transporter 1 (PepT1) between Itik Pinas (Anas platyrhynchos L.) and Commercial Layer Chicken (Gallus gallus domesticus) / Alexandrinne M. Pinca, Herald Nygel F. Bautista, Christine B. Adiova, and Percival P. Sangel

Macrofouler Community Succession in South Harbor, Manila Bay, Luzon Island, Philippines during the Northeast Monsoon Season of 2017–2018 / Claire B. Trinidad, Rafael Lorenzo G. Valenzuela, Melody Anne B. Ocampo, and Benjamin M. Vallejo Jr.

Production of Conjugated Linoleic Acid by Lactic Acid Bacteria: Screening and Optimization / Angelo M. Tapia, Jose Arceo N. Bautista, Bernadette C. Mendoza, Laura J. Pham, Ione G. Sarmago, and Maria Cynthia R. Olivero

Isolation of a CEL 1 Homolog in Tomato (Solanum lycopersicum L.) Fruit as a Cost-effective Endonuclease Source for Targeting Induced Local Lesions IN the Genome (TILLING) Analysis / Rochelle E. Alcasid, Maria Elizabeth B. Naredo, Darlon V. Lantican, and Hayde F. Galvez

Chemometric Differentiation of Dipterocarpaceae Wood Species Based on Colorimetric Measurements / Monica Gibe, Justine M. Kalaw, Willie P. Abasolo, and Fortunato Sevilla III

Tree Legume – Microbial Symbiosis and Other Soil Amendments as Rehabilitation Strategies in Mine Tailings in the Philippines / Nelly S. Aggangan, Julieta A. Anarna, and Nina M. Cadiz

Surface Water Characteristics in the Vicinity of Abandoned Mercury Mine Site in Puerto Princesa City, Philippines / Jessie O. Samaniego, Cris Reven L. Gibaga, Alexandria M. Tanciongco, Rasty M. Rastrullo, and Ma. Azileira V. Costa

Preliminary Radiological Survey on High Rare-earth Containing Area in San Vicente, Philippines / Kazuki Iwaoka, Lorna Jean H. Palad, Christopher O. Mendoza, Fe M. Dela Cruz, Masahiro Hosoda, Shinji Tokonami, Eliza B. Enriquez,
Chitho P. Feliciano, and Reiko Kanda

Toxicity, Antibacterial, and Antioxidant Activities of Fungal Endophytes Colletotrichum and Nigrospora spp. Isolated from Uvaria grandiflora / Kin Israel R. Notarte, Mark Kevin P. Devanadera, Anna Beatriz R. Mayor, Mary Christine A. Cada, Melissa H. Pecundo, and Allan Patrick G. Macabeo

Responses of ‘Carabao’ Mango to Various Ripening Agents / Angelyn T. Lacap, Emma Ruth V. Bayogan, Leizel B. Secretaria, Christine Diana S. Lubaton, and Daryl C. Joyce

Structural Stability Analysis of Models of Dopamine Synthesis and D1 Receptor Trafficking in RPT Cells using CRNT / John Justine S. Villar, Patrick Vincent N. Lubenia, Eduardo R. Mendoza, and Carlene P.C. Pilar-Arceo

Reoptimization of the Consensus Pattern Problem under Pattern Length Modification / Jhoirene B. Clemente, Proceso L. Fernandez Jr., Richelle Ann B. Juayong, Jasmine A. Malinao, Ivy D. Ordanel, and Henry N. Adorna

Development and Evaluation of a Culturally Sensitive Food Frequency Questionnaire for the Assessment of Prebiotic and Probiotic Intake of Urban-living, Low-to-medium-income Women / Cecile Leah T. Bayaga, Marietoni B. Pico, Demetria C. Bongga, Erniel B. Barrios, and Alonzo A. Gabriel

Small Maar Lakes of Luzon Island, Philippines: Its Limnological Status and Implications for the Management of Tropical Lakes – A Review / Milette U. Mendoza, Jonathan Carlo A. Briones, Masayuki Itoh, Karol Sophia Agape R. Padilla, Jaydan I. Aguilar, Noboru Okuda, and Rey Donne S. Papa

Local Fungal Endophytes as Rich Sources of Chitinase Genes / Zabrina Bernice L. Malto, Christine Jurene O. Bacal, Mark Jeffrey S. Diaz, and Eizadora T. Yu