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Analytical and bioanalytical chemistry 2007 May ; (2) :0
Determination of triadimenol based on the quenching effect on resonance light scattering from the triadimenol-deoxyribonucleic acid-hydrochloric acid system.
Du F,   Luo X,   Jiang G,   Hou S,   Liu G,   Ren L,   Zhang L,   Huang Q,   Jie N  

Abstract
Analysis of triadimenol was carried out using deoxyribonucleic acids (DNA) via the resonance light scattering (RLS) technique. After adding triadimenol into aqueous medium of pH 1.72, the RLS of DNA was remarkably quenched. A resonance light scattering peak at 310 nm was found, and the quenched intensity of RLS at this wavelength was proportional to the concentration of triadimenol. The linear range of the calibration curve was approximately 0-3 microg mL-1 with a detection limit (S/N=3) of 0.07 microg mL-1. The triadimenol in samples of water, cucumber and human serum was determined. The results were satisfactory, and the recovery rates were in the range of 96.3-106.0%, 94.8-105.9% and 92.3-100.5%, respectively. The interaction mechanism was also studied.

DHARA ID: D049616 Pubmed ID: 17377777


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