Post-chromatographic fixed-charge derivatization for the analysis of hydroxyl-containing compounds by a combination of thin-layer chromatography and matrix-assisted laser desorption/ionization mass spectrometry.
Publication type: Journal Article
Publication date: 2018-07-01
scimago Q1
wos Q1
SJR: 0.731
CiteScore: 7.3
Impact factor: 4.0
ISSN: 00219673, 18733778
PubMed ID:
29803430
Organic Chemistry
Biochemistry
General Medicine
Analytical Chemistry
Abstract
A simple and convenient on-spot derivatization has been suggested for the modification of hydroxyl-containing compounds for their analysis by thin layer chromatography/matrix-assisted laser desorption ionization mass spectrometry (TLC/MALDI). The proposed approach was based on post-chromatographic acylation of separated analytes by 3-bromopropionyl chloride with simultaneous quaternization of pyridine. In contrast to the initial alcohols not ionizable in TLC/MALDI conditions, the derivatives, containing permanent positive charge, revealintense peaks of their cationic moieties in MALDI mass spectra recorded directly from TLC plates. The method was tested on a series of mammalian and plant sterols, phenols and terpene alcohols.
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Esparza C. et al. Post-chromatographic fixed-charge derivatization for the analysis of hydroxyl-containing compounds by a combination of thin-layer chromatography and matrix-assisted laser desorption/ionization mass spectrometry. // Journal of Chromatography A. 2018. Vol. 1560. pp. 97-103.
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Esparza C., Polovkov N. Yu., Borisov R. S., Zaikin V. G. Post-chromatographic fixed-charge derivatization for the analysis of hydroxyl-containing compounds by a combination of thin-layer chromatography and matrix-assisted laser desorption/ionization mass spectrometry. // Journal of Chromatography A. 2018. Vol. 1560. pp. 97-103.
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TY - JOUR
DO - 10.1016/j.chroma.2018.05.025
UR - https://doi.org/10.1016/j.chroma.2018.05.025
TI - Post-chromatographic fixed-charge derivatization for the analysis of hydroxyl-containing compounds by a combination of thin-layer chromatography and matrix-assisted laser desorption/ionization mass spectrometry.
T2 - Journal of Chromatography A
AU - Esparza, C
AU - Polovkov, N Yu
AU - Borisov, Roman S.
AU - Zaikin, V. G.
PY - 2018
DA - 2018/07/01
PB - Elsevier
SP - 97-103
VL - 1560
PMID - 29803430
SN - 0021-9673
SN - 1873-3778
ER -
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@article{2018_Esparza,
author = {C Esparza and N Yu Polovkov and Roman S. Borisov and V. G. Zaikin},
title = {Post-chromatographic fixed-charge derivatization for the analysis of hydroxyl-containing compounds by a combination of thin-layer chromatography and matrix-assisted laser desorption/ionization mass spectrometry.},
journal = {Journal of Chromatography A},
year = {2018},
volume = {1560},
publisher = {Elsevier},
month = {jul},
url = {https://doi.org/10.1016/j.chroma.2018.05.025},
pages = {97--103},
doi = {10.1016/j.chroma.2018.05.025}
}