Department of Biology: Recent submissions

Now showing items 101-120 of 531

An Ecological Assessment of Seaweed Communities in Masinloc, Zambales

Garcia Jr., Joseph Allan D.; Rivera II, Joseph Eleazar P. (2004-03)

The study focused on three seaweed communities in Masinloc Bay, Masinloc, Zambales, to include abundance, distribution and diversity of seaweed species. Their corresponding associated flora and fauna and the prevailing ...
The larvicidal efficacy of Poinsettia leaf extract on Culex quinquefasciatus

Garcia, Diana M.; Sidamon, Annalyn P. (2000-04)

Botanical plant extracts used as larvicides have shown good knockdown qualities and have at the same time eliminated the resistance factor present in chemical insecticides. In this biological activity-guided study, leaves ...
Effects of Ginseng Root Extract (Panax Ginseng) on Hydrochlorothiazide-Induced Hyperglycemia in Male Mice

Gaddi, Paulyn M.; Tawasil, John Timojin R. (2004-03)

The present study examined effect of Korean ginseng root extract (GRE) on hydrochlorothiazide-induced hyperglycemia in male mice. Preliminary trials revealed no dose-dependent effects of GRE supplementation in test mice. ...
Induced Screening of Hybrid Rice and Component Lines to Rice Tungro Virus (RTV) and Green Leafhopper (GLH)

Francisco, Nikki James C. (2005-04)

The rice tungro disease is a composite disease caused by two viruses, the rice tungro bacilliform virus (RTBV) and rice tungro spherical virus (RTSV). It is transmitted in a semi-persistent transitory manner by an insect ...
The Combined Effects of Dietary Vitamin E and Ubiquinol on Lipid Peroxidation Levels in Cigarette Smoke Exposed Mice

Gaurino, Cris Bryan E.; Cruz, Adrian Dino S. (2003-03)

The present study investigated the effect of the combined supplementation of vitamin E and ubiquinol to lipid peroxide levels and catalase activity. Twenty five mice were assigned into five groups: (1) unexposed, with no ...
Presumptive Identification of Heterotrophic Thermophilic Bacteria From Surface Waters of Balabagon Boiling Lake in Manito, Albay

Flordeliza, Olivia Cano; Melendres, Sean Philip Gerard Tan (2003-04)

Water samples from the surface waters of Balabagon Boiling Lake in Manito, Albay in December 2002 were passed through a membrane filtration device with membranes with 0.45 pm pore size. The membranes were placed in TGYE ...
Plasmodium berghei-Infected Erythrocyte as Immunogen for Polyclonal Antibody Production in Mice

Cristi, Ma. Vanessa A.; Lutanco, Rainier Y. (2003-04)

Production of an effective vaccine for malaria has been difficult because of the polyphasic and polymorphic characteristics of the Plasmodium parasite. Protein changes on the surface of malaria-infected erythrocytes occur ...
The Meristic and Morphometric Characteristics of two Philippine Species of Galunggong Decapterus macarellus (Cuvier, 1833) and D. kurroides (Bleeker, 1855)

Correa, Leonard Nevin V.; Martinez, Joyce Marie V. (2005-04)

Fifteen biometric characters were used to differentiate and compare the mackerel scad Decapterus macarellus (Cuvier, 1833) and the redtail scad D. kurroides (Bleeker, 1855). Meristic and morphometric data from 60 samples ...
Single Stranded Conformation Polymorphism Analysis of the Human p-Defensin 2 Gene In Filipino Tuberculosis Patients

Cordova, Liezl Marie Gaston; Lirazan, Ryan Joseph Balagtas (2003-03)

Human Beta-Defensin 2 (hBD2) works as a host defense antimicrobial peptide against Mycobacterium tuberculosis, the causative agent of tuberculosis (TB). Genomic DNA from representative samples (TB03 and Cl2) was subjected ...
Effect Of Coconut Oil On Alcohol-Induced Liver Disease In Male Rats

Collado, Fareed Moses S.; Zarate, Fitzderick S. (2002-03)

The potential attenuating effect of dietary coconut oil on ethanol-induced liver disease was determined in this study. Alcoholic liver disease was induced in rats for six weeks, and was treated with diets enriched in coconut ...
The Macroscopic and Microscopic Effects of Borax on the Roots of Allium cepa var. aggregation

Cielo, Aileen Grace B.; Gavino, Aries Caesar P. (2002-03)

Borax (sodium tetraborate decaliydrate) has been found by the BFAD used as a fbod additive in commercially sold tapiocas. The study was conducted to investigate on the toxicity and mutagenicity of borax on the roots of ...
Identification of Quantitative Trait Loci (QTLs) for sheath blight resistance in cultivated rice, Oryza sativa L.

Cinco, Diane Michellene C.; Fernando, Sheens B. (2005-04)

One of the two major rice diseases is sheath blight, which is caused by the fungus Rhizoctonia solani. To date, only partial resistance to rice sheath blight has been identified. In this experiment, 58 Recombinant Inbred ...
The Use of Random Amplified Polymorphic DNAs (RAPDs) to Analyze the Genetic Variation Among Selected Oliva Species from the Visayas

Chua, Leslie Anne K.; Panlilio, Robin A. (2002-04)

Random Amplified Polymorphic DNA (RAPD) analysis was applied to three previously recognized species of Oliva from the Visayas. Total genomic DNA was extracted from the ethanol-preserved samples following the method of ...
Effects of Crude Leaf Extracts of the Neem Plant (Azadirachta indica A. Juss.) on Egg Survivorship of Blue Bottle Fly (Calliphora vomitoria L.)

Chua, Andrea S.; de Mesa, Uzziel R. (2004-03)

Extracts from the neem plant (Azadirachta indica A. Juss) have been known for their insect growth inhibition properties. To determine the effect of neem plant on survivorship of blue bottle fly (Calliphora vomiloria L.) ...
Screening of Some Philippine Marine Sponges for Anti-platelet Aggregation Activity

Ching, Charmaine Ann Tan; Danao, Nina Rianna Quilala (2003-04)

Extracts from 17 Pliilippine sponges from the UP Marine Science collection were tested for their anti-platelet aggregation (APA) activity using the Giemsa assay. Crude methanol extracts were dried and then dissolved in ...
The Radioprotective Potential of Spirulina Tablets on Irradiated Mouse Bone Marrow Cells

Cerezo, Moira F.; Fernando, Ma. Theresa Fe O. (2000-03)

In the testing of the radioprotective potential of Spirulina tablets, the micronucleus test was utilized. A total of 15 mice were used. The average weight of the mice were obtained and the dosage administered was calculated. ...
The Biodegradation of Petroleum Hydrocarbons from Crude Oil-contaminated Soil by White-Rot Fungi

Valdez, Jorrel Vincent L.; Gravador, Jose Maria Alberto L. (2007-04)

Soil pollution by petroleum hydrocarbons is a major environmental concern. Due to the magnitude of this problem and the lack of a practical solution, an efficient and economical alternative is needed. Fungal bioremediation ...
Histological Study on the Effect of Jatropha curcas (Linnae) Emulsifiable Seed Extract on the Gonads of Pomacea canaliculata (Lamarck)

Balita, Cherry Lou A.; Tumangday, Marinel G. (2006-04)

This study aims to identify the histological aberrations induced in the ovaries and testes of Pomacea canaliculata which may reflect reduced reproductive capabilities of golden apple snails. Histological effects on the ...
Potential Antitumor Effect of Immunostimulating Mycelia-Derived Polysaccharide from Ganodernta Lucidum (Ps-G) on Ht-29 Tumor-Induced Female Balb/C Mice

Marcial, Karmi Margaret G.; Signo, Karla Sheila L. (2007-04)

Ganoderma lucidum has been used for centuries in cancer prevention and treatment in China and other Asian countries. This study aimed to determine if polysaccharides from G. lucidum (PS-G) extracts can elicit antitumor ...
Gonad Histology of Oreochromis niloticus in Relation to Potential Endocrine-Disrupting Phenolic Compounds in Sampaloc Lake

Espanillo, Ma. Cristina U.; Villanueva, Danielle Louis E. (2007-04)

Endocrine-disrupting compounds (EDCs), which include phenols, are known to elicit reproductive irregularities in fish. Domestic wastes channeled in Sampaloc Lake contain phenolic compounds that may be related to the ...

Now showing items 101-120 of 531

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