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Myclobutanil, (RS)‐2‐(4‐chlorophenyl)‐2‐(1H‐1, 2, 4‐triazol‐1‐ylmethyl) hexanenitrile is a widely used triazole fungicide. In this study, enantioselective metabolism and cytotoxicity were investigated in rat hepatocytes by chiral HPLC‐MS/MS and the methyl tetrazolium (MTT) assay, respectively. Furthermore, tryptophan metabolism disturbance in rat hepatocytes after myclobutanil exposure was also evaluated...
The enantiomeric separation of eight pesticides including bitertanol (1), diclobutrazol (2), fenbuconazole (3), triticonazole (4), imazalil (5), triapenthenol (6), ancymidol (7), and carfentrazone‐ethyl (8) was achieved, using normal‐phase high‐performance liquid chromatography on two cellulosed‐based chiral columns. The effects of isopropanol composition from 2% to 30% in the mobile phase and column...
In this study, 11 nitrogen‐heterocyclic pesticides were stereoselectively separated on amylose‐tris‐(5‐chloro‐2‐methylphenylcarbamate) chiral stationary phase, using reversed‐phase high‐performance liquid chromatography with diode array detector and optical rotation detector at 426 nm. The effects of mobile phase composition and column temperature (5–40 °C) on separation were investigated. When acetonitrile...
The enantioselective degradation of indoxacarb in cabbage and soil has been investigated in Beijing and Anhui under open conditions. Indoxacarb enantiomers in samples were extracted with acetonitrile, cleaned up by florisil SPE column, separated on high performance liquid chromatography with a cellulose‐tris‐(3, 5‐dimethylphenylcarbamate)‐based chiral stationary phase (CDMPC‐CSP), and determined by...
This study used chiral columns packed with 3‐μm and 5‐μm particles to comparatively separate enantiomers of 9 triazole fungicides, and Lux Cellulose‐1 columns with chiral stationary phase of cellulose‐tris‐(3,5‐dimethylphenylcarbamate) were used on reverse‐phase high‐performance liquid chromatography with flow rates of 0.3 and 1.0 mL min−1 for 3‐μm and 5‐μm columns, respectively. The (+)‐enantiomers...
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