一种对有机胂化物具有选择性的新型生物传感器。
A novel biosensor selective for organoarsenicals.
机构信息
Department of Cellular Biology and Pharmacology, Florida International University, Herbert Wertheim College of Medicine, Miami, Florida, USA.
出版信息
Appl Environ Microbiol. 2012 Oct;78(19):7145-7. doi: 10.1128/AEM.01721-12. Epub 2012 Jul 27.
Abstract
Organoarsenicals used as herbicides and growth promoters for farm animals are degraded to inorganic arsenic. Available bacterial whole-cell biosensors detect only inorganic arsenic. We report a biosensor selective for the trivalent organoarsenicals methylarsenite and phenylarsenite over inorganic arsenite. This sensor may be useful for detecting degradation of arsenic-containing herbicides and growth promoters.
摘要
用作除草剂和农场动物生长促进剂的有机胂化合物会被降解为无机砷。现有的细菌全细胞生物传感器仅能检测无机砷。我们报告了一种对三价有机胂化合物甲基砷酸盐和苯胂酸盐具有选择性的生物传感器，而对无机亚砷酸盐没有选择性。这种传感器可能有助于检测含砷除草剂和生长促进剂的降解。
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