Influence of environmental factors on degradation of carbendazim by Bacillus pumilus strain NY97-1
文献类型： 外文期刊
作者： Zhang, Lizhen 1 ; Qiao, Xiongwu 1 ; Ma, Liping 1 ;
作者机构： 1.Shanxi Acad Agr Sci, Shanxi Key Lab Pesticide Sci, Taiyuan 030031, Peoples R China
2.Shanxi Univ, Coll Life Sci & Technol, Taiyuan 030006, Peoples R China
关键词： carbendazim;degradation;HPLC;high-performance liquid chromatography;Bacillus pumilus;bioremediation
期刊名称：INTERNATIONAL JOURNAL OF ENVIRONMENT AND POLLUTION （ 影响因子：0.354； 五年影响因子：0.632 ）
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收录情况： SCI
摘要： The influence of environmental factors on the performance of carbendazim degradation by Bacillus pumilus strain NY97-1 was investigated under aerobic conditions. The carbendazim degradation in culture medium was characterised by High-Performancc Liquid Chromatography (HPLC) with TJV detector. When the initial concentration of carbendazim was 10, 30, 50, 100, 300mg/L, the degradation rate was 42.44, 48.97, 77.19, 78.66 and 90.07%, respectively after 24h at 30℃. Addition of small amount of organic nitrogenous source had a significant influence on carbendazim degradation, while the inorganic nitrogenous source had negative effect. Carbendazim degradation rate varied from 61.55% to 87.76% when pH value within the range of 4-10 after addition of organic nitrogen, the lowest carbendazim degradation percentage of 61.55% was obtained at pH4.
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