Arabian Journal of Chemistry (Sep 2022)
A comprehensive review of liquid chromatography hyphenated to post-column photoinduced fluorescence detection system for determination of analytes
Abstract
Liquid chromatographic separation technique coupled with fluorescence detector (LC-FLD) has been one of the primary sensitive and selective analytical techniques in various science areas including environmental, food, biological, biomedicine etc. Its significance relies on several analytical advantages including cost-effectiveness, enhanced sensitivity, and selectivity performance. However, the desired applications of this technique and detection limits are not always possible without target analytes derivatization. When analytes manipulation is carried out by mere light, the mechanism is called photoderivatization or photochemical reaction. This addition of photochemical reactor has significantly enhanced the LC-FLD capability for selective, sensitive, and reproducible determination of variety of analytes such as pesticides, pharmaceutical drugs, flavonoids, vitamins etc. as compared to chemical pre/post-column derivatization. Herein, we have comprehensively and systematically summarized the development, instrumentation and applications of liquid chromatography-photoinduced fluorescence technique (LC-hv-FLD) to analyze a large number of analytes-residues in various matrices published between the years i.e., 2000 to 2022 along with some outstanding and important contributions before this time span. Moreover, the essential characteristic, advantages/disadvantages, challenges, and future prospects have also been highlighted. We expect this manuscript to be a useful key reference for the future development in fluorescence based chromatographic analysis and inspire new ideas and discoveries in the direction of reagent-less and online derivatization of intrinsically non-fluorescent analytes.
