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Journal of Biological Sciences

Year: 2011 | Volume: 11 | Issue: 5 | Page No.: 388-393
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Authors

N. Verma

H. Kaur

S. Kumar

Keywords

Research Article

A Multipurpose Biopolymer Membrane for Heavy Metal Preconcentration and Enzyme Immobilization

N. Verma, H. Kaur and S. Kumar
Rapid urbanization of our world has lead to accumulation of enormous number of contaminants in our environment. Heavy metals hold a superlative position in that list and are responsible of contaminating soil, water and all food stuffs taken up by the humans. The presented work was an effort to develop a biopolymer membrane which efficiently bonded and removed heavy metals like lead from the water sample. It was also found to be a very good matrix for enzyme immobilization in developing heavy metal biosensor. The membrane bonded to the positively charged heavy metal cations and lead to their preconcentration from the samples. The synthesized membrane was a hybrid of hydrosol-gel and alginate in a ratio which lead to the formation of a thin film that acted as the preconcentration medium in the study. It had been found to be an efficient electron transfer facilitator for application in electrochemical biosensor.
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