Department of Biology: Recent submissions

Now showing items 1-20 of 545

Relative Abundance and Diversity of Fishes Caught by Beach Seine and Drift Longline in the Coastal Waters of Brgy. Sta. Monica, Infanta, Quezon (2003)

Macalalad, Anna Angelica P.; Manalo, Mary Ondinee U. (2003-04)

The relative abundance and diversity of a multispecies fishery in Brgy. Sta. Monica, Infanta, Quezon, were studied using catches from beach seines and drift longlines from January 2003 to February 2003. Approximately ...
Molluscicidal Effect of Croton tiglium Seed and Leaf Extracts on Freshwater Snails (Oncomelania hupensis quadrasi Mollendorf)

Manluyang, Ellyn C.; Palmos, Mervin DL. (2003-04)

The molluscicidal effect of Croton tiglium seeds and leaves on Oncomelania hupensis quadrasi,an intermediate host of Schistosoma japonicum was studied. Acclimatized snails were exposed to various concentrations of organic ...
Preliminary Study on the Effect of Lipid Extracted and Supplemented Persea americana (Mill) Agar as a Growth Medium for Escherichia coli

Abat, Katrina Marie S.; dela Cruz, Barbara C. (2004-03)

In the process of improving Persea americana (Mill.) Agar (PAA) as a growth medium for Escherichia coli, six reformulations of PAA were evaluated in this study. These are Supplemented PAA (SPAA), Lipidextracted SPAA, ...
Cyanide Content in the Roots of Cassava [Manihot esculenta Crantz] and the Locally Cultivated Yellow and White Varieties of Camote [Ipomoea batatas (Linn.) Poir]

Abrencillo, Rodeo A.; Medel, Dorotea Joy L. (2004-03)

Cassava [Manihot esculenta Crantz] is known to have naturally occurring levels of cyanide that is capable of causing adverse effects such as “Konzo” (nerve cell degradation) and endemic goiter. However, it is not clear ...
The Potential of Anti-Bacterial Activity Ganoderma lucidum AND Ganoderma applanatum AGAINST Escherichia coli and Bacillus subtilis

Adan, Angela Marie B.; De Guzman, Milldeanna L. (2004-03)

The potential anti-bacterial activity of Ganoderma lucidum and Ganoderma applanatum, macrofungi collected from Mt. Makiling, Los Baiios, Laguna, was determined. Crude extracts of these macrofungi were obtained using ...
Gonadal Histology of Oreochromis Niloticus Linn. from Laguna de Bay

Agulto, Meliza Katrina B.; Eusebio, Joy Anne P. (2004-03)

The study was conducted niloticus to describe the gonads of male and female Oreochromis Linn. A total of 40 0, niloticus Linn. samples were taken from Taguig, West Bay of Laguna de Bay. The gonads were excised from the ...
Monitoring the Aflatoxin Content of Brown and Milled Rice (Oryza Sativa Linn.) During Storage Period

Arim, Dianne Rose H.; Portuguez, Mae S. (2004-03)

Rice (Oryza sativa Linn.) is one of the most essential grains produced in the Philippines since it is used as a staple food. Milling, often called "whitening", removes the outer bran layer of the rice grain and differentiates ...
Use of Mangifera indica Mesocarp Extract As Alternative Growth Medium for Bacteria and Fungi

Arzadon, Kristelle B.; Prado, Loujheim D. (2004-03)

Commercially available growth medium contains a complete set of nutrients and growth factors needed to cultivate bacteria and fungi. The mango fruit contains carbohydrates, proteins, several vitamins and a number of ...
A Preliminary Study on the Effect of Saprolegnia ferax Infestation on the Gill Tissues of Tilapia Fingerlings

Abaya, May T.; Maglalang, Ma. Clarinda S. (2005-03)

The present study focuses on the effect of Saprolegnia ferax infestation on the gill tissues of tilapia (Oreochromis niloticus) fingerlings, specifically on the number and diameter of chloride cells. External symptoms ...
Comparison of the Quality and Quantity of DNA Extracted from Soil using Microwave-Based and Water-Bath Methods

Adoremos, Nelissa S.; Wee, Pura Angela A. (2005-03)

The quality and quantity of DNA extracted from three soil types using two nucleic acid extraction procedures based on the method developed by Orsini and Romano-Spica in 2001 were compared and the extracted DNA’ suitability ...
A Preliminary Study on the Identification of Isolated Endophytic and Rhizospheric Bacteria from Mestizo Hybrid Rice Plant

Agbada, Sarah Melissa; Galzote, Leak Karenina (2005-03)

Bacterial associations in the rhizospheric and endophytic regions of hybrid rice plant roots have yet to be described. This study identified bacteria associated with the rhizosphere and endophytic regions of hybrid rice. ...
In Vivo Activity of Garlic Extract on the Growth of Salmonella typhimurium in the Intestine of Albino Mice

Mansukiani, Radha Marie H.; Tan, Astrid L. (2005-04)

This study was conducted in vivo and used Balb/C albino mice as the animal model. It aimed 10 determine the garlic extract concentration's ability to reduce the population of Salmonella Typhimurium: the concentration ...
Endocrine-disruptive Activity of Cadmium on the IHistomorphology of the Uterus and Ovaries of Juvenile BALB/c Mice

Marcelo, Jhoanna G.; Mendoza, Pia Roselynn A. (2005-03)

The endocrine-disruptive activity of cadmium (Cd) on the uterus and ovaries was studied in juvenile Balb/c mice. Thirty-two 28-day-old female mice weighing 5 to 10 g were randomly distributed among four treatment ...
Use of Marker-Assisted Selection In Developing Submergence Tolerant Rice (Oryza sativa var Swarna) in the BC2 F3 Generation

Muncal, Mariella Anna C.; Pizarro, Erika Paula R. (2005-04)

Destruction of crops due to submergence is a growing concern in flood-prone environments. This has led urgent need for the incorporation of the Swub-I locus for submergence tolerance in chromosome 9 of popular rice ...
Effects of Abscisic Acid (ABA), Gibberellic Acid (GA3), and Polyethylene Glycol (PEG) Seed Priming on the Growth of Oryza Sativa L. Under Salinity Stress

Pungtilan, Ma. Kristina D.; Quinto, Jamaica L. (2023-08)

Soil salinity is a major abiotic stress limiting crop yield and productivity. Rice is a global staple food; however, it is the most sensitive to salinity among important cereal crops. Seed priming is a technique that ...
Effects of Petunidin-3-Glucoside Supplementation on Lifespan and Reproductive Health in the Presence and Absence of Heat and Oxidative Stress in Caenorhabditis elegans

Palacol, Ed Lorenzo F.; Sanchez, Lizzie Anne O. (2023-08)

Petunidin, an anthocyanin present in wine, berries, potatoes, and beans, has been previously shown to have anti-inflammatory and reactive oxygen species (ROS) scavenging properties. Yet, much remains unknown about its ...
Automated Classification Between Viral and Bacterial Pneumonia Using Convolutional Neural Network (CNN)

Orge, Kevin Brian C.; Punzalan, Elian Christopher E. (2023-08)

Pneumonia, one of the most common causes of morbidity and mortality globally, can be caused by either bacterial or viral infection. With chest radiographs as the imaging standard, the timely detection and diagnosis of ...
Molecular Phylogeny and Fungal Diversity Profiling of Cottony Fungi Isolated from Musa Acuminata Colla in Mindanao

Nicodemus Jr., Glenn T.; So, Marcus Allan Gil O. (2023-08)

Banana plants, scientifically known as Musa acuminata Colla, are a vital crop for the Philippines, a major exporter of bananas worldwide. Concerns have emerged regarding the presence of pathogenic Fusarium species in key ...
Targeting SARS-COV-2 3-Chymotrypsin-Like Cysteine Protease and NSP7-NSP8-RDRP Core Replicase Complex for Inhibitory Drug Design Against COVID-19: Molecular Docking of TCMSP Compounds and Novel Redesigned Ligands

Ngo, Nicole Kate Ashlynn C.; Tayag, Angelo Norey M. (2023-06)

The COVID-19 pandemic caused by the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) precipitated a global health crisis. Despite significant progress in attempts to eliminate the pathogen, new variants ...
Insights into the Management of the Invasive Pontederia crassipes Mart. (water hyacinth) in the Philippines using Species Distribution Modeling

Motos, Francine Mariah G.; Pabilico, Dino Spencer S. (2023-08)

Pontederia crassipes Mart. (water hyacinth) is a globally known aquatic invasive alien plant species that has negatively affected biodiversity in the Philippines. The preventive management of water hyacinth has been shown ...

Now showing items 1-20 of 545

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