Toxicological Research

Korean Society of Toxicology & Korea Environmental Mutagen Society (한국독성학회)
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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)
  • Received : 2011.11.11
  • Accepted : 2012.03.29
  • Published : 2012.03.31
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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.

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References

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