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Updated: Apr 11, 2026

Semi-Targeted Ultra-High-Performance Chromatography Coupled to Mass Spectrometry Analysis of Phenolic Metabolites in Plasma of Elderly Adults
Published on: April 22, 2022
A sensitive and efficient method for trace analysis of some phenolic compounds using simultaneous derivatization and
Mir Ali Farajzadeh1, Mohammad Reza Afshar Mogaddam1, Ali Akbar Alizadeh Nabil2
1Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.
Abstract:
In present study, a simultaneous derivatization and air-assisted liquid-liquid microextraction method combined with gas chromatography-nitrogen phosphorous detection has been developed for the determination of some phenolic compounds in biological samples. The analytes are derivatized and extracted simultaneously by a fast reaction with 1-flouro-2,4-dinitrobenzene under mild conditions. Under optimal conditions low limits of detection in the range of 0.05-0.34 ng mL(-1) are achievable. The obtained extraction recoveries are between 84 and 97% and the relative standard deviations are less than 7.2% for intraday (n = 6) and interday (n = 4) precisions. The proposed method was demonstrated to be a simple and efficient method for the analysis of phenols in biological samples.
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