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Fast analysis of nitrobenzene by nitroreductase modified electrode
Liu, C. M.; Cao, H. B.; Li, Y. P.; Zhang, Y.
Conference NameInternational Conference on Chemical Engineering and Advanced Materials
Source PublicationAdvanced Materials Research
Conference DateMAY 28-30, 2011
Conference PlaceChangsha, PEOPLES R CHINA
PublisherTrans Tech Publications Ltd
AbstractNitroreductase (NR) was modified on glass carbon electrode and used in nitrobenzene analysis. Both cyclic voltammetry (CV) and triple potential step chronocoulometry (TPSC) with a narrow potential step interval were used. The modification of nitroreductase improved the sensitivity and selectivity of nitrobenzene detection. Both the peak area and peak current were examined for quantitative analysis, showing a linear relation between nitrobenzene concentration and peak area, and a logarithmic relation for peak current, with correlation coefficients of 0.9981 and 0.9993, respectively. Statistical tests to evaluate the reliability of TPSC showed that there was no evidence of systematic error, and it was not significantly different from CV or high performance liquid chromatography (HPLC). The new method could avoid most interferents, showing good selectivity.
KeywordNitroreductase Modified Electrode Triple Potential Step Chronocoulometry Fast Analysis Electrochemistry Potential Step Chronoamperometry Diffusion-coefficients Reduction Binding
Indexed ByCPCI
Document Type会议论文
Recommended Citation
GB/T 7714
Liu, C. M.,Cao, H. B.,Li, Y. P.,et al. Fast analysis of nitrobenzene by nitroreductase modified electrode[C]:Trans Tech Publications Ltd,2011:1463-1469.
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AMR-2011-239&242-146(320KB) 限制开放CC BY-NC-SAApplication Full Text
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