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Title: Derivatization procedures and their analytical performances for HPLC determination in bioanalysis
Authors: David, Victor 
Moldoveanu, Serban 
Galaon, Toma 
Affiliations: University of Bucharest, Romania 
R. J. Reynolds Tobacco Co 
National Research and Development Institute for Industrial Ecology, ECOIND 
Keywords: liquid chromatography; derivatization; bioanalysis; extractions; hydrophobicity; isotope-labeling
Issue Date: Jan-2021
Derivatization, or chemical structure modification, is often used in bioanalysis performed by liquid chromatography technique in order to enhance detectability or to improve the chromatographic performances for the target analytes. The derivatization process is discussed according to the analytical procedure used to achieve the reaction between the reagent and the target compounds (containing hydroxyl, thiol, amino, carbonyl, and carboxyl as the main functional groups involved in derivatization). Important procedures of derivatization used in bioanalysis are in situ, or procedures based on extraction processes (liquid-liquid, solid-phase and related techniques) applied to the biomatrix. In the review, the chiral, isotope-labeling,
hydrophobicity-tailored, and post-column derivatizations are also included, based on the representative publications in the literature during the last two decades. Examples of derivatization reagents and brief reaction conditions are included, together with some bioanalytical applications and performances (chromatographic conditions, detection limit, stability, and sample biomatrix).
Biomedical Chromatography, 2021, 35(1), SI, e5008
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