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Biochemistry, Genetics and Molecular Biology >
International Journal of Biotechnology (IJBT)
Editor in chief:Dr. S. Balasubramanian
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A Study On The Presence Of Heavy Metal In Perna Viridis(Green Mussel) And Water Of Ennore Estuary, South East Coast Of India
Author:V Gayathri,K Revathi.
Volume: 1 | Issue no: 1-2013 | Pagination: 08-15
A study has been undertaken to find the influence of industrial effluents on the water and green mussels in ennore estuary. Ennore coast receives untreated/ treated effluents from Manali Industrial belt, which houses many chemical Industries. Green mussels have been effectively used as an indicator of marine pollution with reference to heavy metals . In this study heavy metals such as Cadmium, Copper, Zinc and Lead were analysed. Analysis of samples were done by ICP-AES. The highest concentration of heavy metals were recorded during post monsoon and summer . During premonsoon all the dissolved heavy metals exhibited minimum values. The observed order of abundance of metals during the present investigation in water is Cu
A Study On The Presence Of Fecal Pollution Indicator Bacteria In Muttukadu Back Waters, East Coast Of Tamil Nadu
Author:C.Ganga Baheerathi,K .Revathi.
Volume: 1 | Issue no: 1-2013 | Pagination: 01-07
Coliform bacteria are a collection of relatively harmless microorganisms that live in large numbers in the intestines of man, warm and cold-blooded animals. A specific subgroup of this collection is the fecal coliform bacteria, the most common member being Escherichia coli. The presence of fecal coliform bacteria in aquatic environments indicates that the water has been contaminated with the fecal material of man or other animals. The presence of fecal contamination is an indicator that a potential health risk exists for individuals exposed to this water. The current study is aimed at analyzing the presence of fecal coliform in Muttukadu back waters, where different kinds of fishes, prawns and shell fishes are harvested for human consumption. The water samples were collected in pre-monsoon, monsoon and post-monsoon seasons. Water analysis to find the presence of fecal indicator was done by multiple tube tests to assess the MPN values. The presence of Escherichia coli is further confirmed by membrane filtration test and biochemical tests. Analysis showed higher number of fecal indicator in monsoon, followed by post monsoon seasons. The number was comparatively less in pre monsoon season.
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