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Investigatory Projects in Biology

Antibacterial and Antifungal Activity of Lato

The fact that 25% of prescribed pharmaceuticals are derived from plants demonstrates the enduring importance of natural products. Marine organisms may be tapped as new sources of natural substances, which can be developed to combat the new trend of acquired resistance in microbes. Because of its abundance in the Philippine coastlines, Caulerpa racemosa or "lato" was evaluated to check for affordability as substitute to commercially available treatments.

 
Arresting Microbes with Sea Urchin

Sea urchins are common in Philippine marine waters. The gonads (roe) of the sea urchin are considered a delicacy in different parts of the world. After the gonads are obtained, the other parts are considered wastes. This project aims to detect the presence of antibacterial factors in different parts of the sea urchin, Diadema setosum Leske. Sea urchins were collected in the littoral part of the sea. The sea urchin parts namely: Aristotle’s lantern, body wall, coelomic fluid and gonad, were separated and soaked in absolute methanol.

 
Basidiomycetous Mycelial Isolates as Compost Inoculant

Screening of basidiomycetous mycelial isolates as compost inoculant. One practical way to dispose wastes is thru bio-conversion into composts using basidiomycetous fungi which degrade the wastes into simpler compounds and bring back the nutrients to the soil. Seven different basidiomycetous mycelial isolates were obtained from mushroom fruiting bodies gathered from VISCA Forest Reserve and screened for their decomposition ability as compost inoculant of agricultural waste substrates namely: rice hull, rice straw, banana leaves, leaf litter and sawdust.

 



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