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http://dx.doi.org/10.5322/JES.2006.15.11.997

Assay of Dinitrotoluene on a Contaminated Soil Sample with an Anodic Stripping Peak Current  

Ly, Suw-Young (Biosensor Research Institute, Seoul National University of Technology)
Lee, Chang-Hyun (Division of General Education, Pyeongtaek University)
Jung, Young-Sam (Biosensor Research Institute, Seoul National University of Technology)
Publication Information
Journal of Environmental Science International / v.15, no.11, 2006 , pp. 997-1002 More about this Journal
Abstract
This report presents a voltammetric assay of dinitrotoluene using a DNA immobilized onto a carbon nanotube paste electrode (PE). The cyclic voltammetry (CV) and square wave (SW) stripping voltammetry parameters of the optimized conditions were obtained. An anodic peak current appeared at 0.3 V (versus Ag/AgCl) in a 0.1-M $NH_4H_2PO_4$ electrolyte solution. The detection limit was found to be $0.6ngL^{-1}$(S/N = 10), within a deposition time of 100 sec.
Keywords
Voltammetry; DNA; Dinitrotoluene; Anodic;
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