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Biodegradation of cypermethrin by immobilized cells of Micrococcus sp. strain CPN 1 BJM
Tallur,Preeti N.; Mulla,Sikandar I.; Megadi,Veena B.; Talwar,Manjunatha P.; Ninnekar,Harichandra Z..
Pyrethroid pesticide cypermethrin is a environmental pollutant because of its widespread use, toxicity and persistence. Biodegradation of such chemicals by microorganisms may provide an cost-effective method for their detoxification. We have investigated the degradation of cypermethrin by immobilized cells of Micrococcus sp. strain CPN 1 in various matrices such as, polyurethane foam (PUF), polyacrylamide, sodium alginate and agar. The optimum temperature and pH for the degradation of cypermethrin by immobilized cells of Micrococcus sp. were found to be 30 °C and 7.0, respectively. The rate of degradation of 10 and 20 mM of cypermethrin by freely suspended cells were compared with that of immobilized cells in batches and semi-continuous with shaken...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Degradation; Immobilization; Cypermethrin; Polyurethane foam; Micrococcus sp. strain CPN 1.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822015000300667
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