Assessment of mercury(II) bioavailability using a bioluminescent bacterial biosensor: Practical and theoretical challenges

查看全文 作　　者：Paulo R G [1]Barrocas;William M [2]Landing;Robert J M [3]Hudson

机构地区：[1]Department of Sanitation and Environmental Health, National School of Public Health, Oswaldo Cruz Foundation;[2]Department of Oceanography, Florida State University. Tallahassee;[3]Department of Natural Resources and Environmental Sciences, University of Illinois

出　　处：《Journal of Environmental Sciences》索引2010年第22卷第8期,共7页

基　　金：funded by Florida Department of Environmental Protection (contract SP507) 摘　　要：Critical methodological challenges in the microbial biosensor approach to assessing Hg(II) bioavailability were evaluated from the perspective of analytical chemists. The main challenge stems from the fact that the chemical speciation of Hg(II) in natural waters exerts a major control on its bioavailability, yet its natural complexation equilibria are extensively altered during conventional bioassays. New data, obtained using a bioluminescent Hg(II)-biosensor, that illustrate these challenges are presented and potential solutions proposed. 关键词：生物发光细菌生物传感器生物利用度汞(Ⅱ) 评估自然水域微生物方法分析化学家

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Assessment of mercury(II) bioavailability using a bioluminescent bacterial biosensor: Practical and theoretical challenges

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