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A simple hyphenated ultrahigh-performance liquid chromatography-ion chromatography (UHPLC-IC) column-switching analytical method was developed for the simultaneous determination of vanillin, ethyl vanillin, and six inorganic anions (i.e., BrO3−, Cl−, NO2−, ClO3−, NO3−, and SO42−) in food samples. A fast ultrasound-assisted extraction method with a solvent of acetonitrile/water (3:2, v/v) was utilized...
The objective of this study is to establish a highly sensitive, time-resolved fluoroimmunoassay (TRFIA) for the rapid detection of chlorpromazine (CPZ). The antigen CPZ-OVA was used to coat a microtiter plate to compete with free chlorpromazine for binding to the anti-chlorpromazine monoclonal antibody. Europium (Eu3+)-labeled goat anti-mouse antibody was used as the tracer. The labeling rate of Eu...
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