A Novel Optical  Molecular Probe for Organophosphorus Pesticides

Chem. J. Chinese Universities

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A Novel Optical Molecular Probe for Organophosphorus Pesticides

YU Chun-Wei, LI Shun-Hua, XU Jin-Gou

Departmet of Chemistry, College of Chemistry and Chemical Engineering, Key Laboratory of Analytical Science of MOE, Xiamen University, Xiamen 361005, China

Received:2006-05-30 Revised:1900-01-01 Online:2006-09-10 Published:2006-09-10
Contact: XU Jin-Gou

Abstract

Abstract: A tetranuclear cyclometalated palladium-azo complex(MOP) was synthesized according to our previous work and applied as a differential colorimetric molecular chemosensor for organophosphorus pesticides(OPPs) for the first time. This molecular probe was found to have selective recognition ability to OPPs. In a DMF-acetone mixed solvent, it showed no spectral response to oxophosphate pesticides, but exhibited differential absorption spectra in the presence of different sulfur phosphorus pesticides(SPPs). In MOP sensing solutions, concentrations of different SPPs could be detected down to a level of 10^-3 g/L by spectrophotometry, which could be used for the determination of SPPs.

Key words: Cyclometalated palladium-azo complex, Organophosphorus pesticides(OPPs), Detection

CLC Number:

O657.3

TrendMD:

YU Chun-Wei, LI Shun-Hua, XU Jin-Gou. A Novel Optical Molecular Probe for Organophosphorus Pesticides[J]. Chem. J. Chinese Universities, doi: .

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A Novel Optical Molecular Probe for Organophosphorus Pesticides

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