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http://dx.doi.org/10.5487/TR.2012.28.1.067

Toxicological Investigation of Radioactive Uranium in Seawater  

Ly, Suw-Young (Biosensor Research Institute, Seoul National University of Science and Technology)
Bae, Jeong-Mi (Biosensor Research Institute, Seoul National University of Science and Technology)
Kim, Jin (Biosensor Research Institute, Seoul National University of Science and Technology)
Publication Information
Toxicological Research / v.28, no.1, 2012 , pp. 67-71 More about this Journal
Abstract
Trace uranium detection measurement was performed using DNA immobilized on a graphite pencil electrode(DGE). The developed probe was connected to the portable handheld voltammetric systems used for seawater analysis. The sensitive voltammogram was obtained within only 30 s accumulation time, and the anodic stripping working range was attained at 100~800 ${\mu}g/l$ U and 10~50 ${\mu}g/l$. The statistic relative standard deviation of 30.0 mg/l with the $15^{th}$ stripping was 0.2115. Here, toxicological and analytical application was performed in the seawater survey in a contaminated power plant controlling water. The results were found to be applicable for real-time toxicological assay for trace control.
Keywords
Trace; Uranium; Voltammetry; DNA immobilization;
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