Document Detail


Co-metabolic degradation of bensulfuron-methyl in laboratory conditions.
MedLine Citation:
PMID:  18417283     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The present study deals with the degradation of bensulfuron-methyl by microorganisms cultured with different sources of carbon, nitrogen and phosphorus. Addition of carbon source accelerated the degradation of bensulfuron-methyl under co-metabolism process. Sodium lactate was the best carbon source for the degradation of bensulfuron-methyl, compared to other carbon sources studied, and the degradation ratio of bensulfuron-methyl reached 79.5%, whereas only 34.6 and 29.7% were removed in the presence of glucose and sucrose, respectively. Supplement of nitrogen source also enhanced degradation of bensulfuron-methyl. However, no significant differences were observed in the loss of bensulfuron-methyl between organic nitrogen and inorganic source. Phosphate buffer was supplemented into the media to maintain neutral conditions for the advantage of the strain growth since increase in pH value was observed. An orthogonal array design was applied to arrange main factors singled out for investigating the influence of factor and interaction between them on the degradation of bensulfuron-methyl. Statistical analysis showed that the concentration of sodium lactate, bensulfuron-methyl and inoculum size were the main effects, and the interaction of sodium lactate and bensulfuron-methyl was of statistical significance.
Authors:
Wei Luo; Yuhua Zhao; Haitao Ding; Xiaoyan Lin; Huabao Zheng
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Publication Detail:
Type:  Journal Article     Date:  2008-03-08
Journal Detail:
Title:  Journal of hazardous materials     Volume:  158     ISSN:  0304-3894     ISO Abbreviation:  J. Hazard. Mater.     Publication Date:  2008 Oct 
Date Detail:
Created Date:  2008-08-04     Completed Date:  2009-01-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9422688     Medline TA:  J Hazard Mater     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  208-14     Citation Subset:  IM    
Affiliation:
Institute of Microbiology, College of Life Science, Zhejiang University, Hangzhou, PR China.
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MeSH Terms
Descriptor/Qualifier:
Analysis of Variance
Biodegradation, Environmental
Brevibacterium / metabolism*
Carbon / metabolism
Nitrogen / metabolism
Phosphorus / metabolism
Sodium Lactate / metabolism
Sulfonylurea Compounds / metabolism*
Chemical
Reg. No./Substance:
0/Sulfonylurea Compounds; 72-17-3/Sodium Lactate; 7440-44-0/Carbon; 7723-14-0/Phosphorus; 7727-37-9/Nitrogen; 83055-99-6/methyl bensulfuron

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