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Degradation of isoprothiolane by a defined microbial consortium using response surface methodology

IR@CSIR-CFTRI

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Relation http://ir.cftri.com/12280/
 
Title Degradation of isoprothiolane by a defined microbial consortium using response surface methodology
 
Creator Arul Selvi, A.
Rastogi, N. K.
Manonmani, H. K.
 
Subject 26 Pesticide Chemistry
 
Description A defined microbial consortium was developed for the degradation of isoprothiolane. Isoprothiolane-biodegradation parameters were optimized using Response Surface Methodology (RSM). Three variables chosen for the study were inoculum concentration (50-1500 microg protein ml(-1)), temperature (25-35 degrees C) and pH (4-8) each at levels -1.682, -1, 0, 1 and 1.682. Incubation time of 72 hr was kept constant. Degradation of different concentrations of isoprothiolane was studied. The optimized conditions obtained were, inoculum concentration of 50 microg protein ml(-1) at 30 degrees C and pH between 4-8. The maximum predicted percentage degradation of 100, 100, 100, 100 and 95.5 was obtained respectively for 5, 10, 20, 30 and 50 ppm of initial isoprothiolane concentrations at different pH levels 7.7, 6.8, 6.2, 4.7 and 4.6. Validation of the model indicated that experimental values were found to be in agreement with the predicted one.
 
Date 2013
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://ir.cftri.com/12280/1/Journal%20of%20Environmental%20Biology_2013.pdf
Arul Selvi, A. and Rastogi, N. K. and Manonmani, H. K. (2013) Degradation of isoprothiolane by a defined microbial consortium using response surface methodology. Journal of Environmental Biology, 34 (3). 545-554..