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Chiral separation and determination of amino acid enantiomers in fruit juice by open-tubular nano liquid chromatography

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Date
2018
Author
Aydoğan, C.
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Abstract
A novel chiral porous-layer stationary phase was developed for use in open-tubular nano liquid chromatography. The stationary phase was prepared by an in-situ polymerization of 3-chloro-2-hydroxypropylmethacrylate (HPMA-Cl) and ethylene dimethacrylate (EDMA). The reactive chloro groups at the surface of the porous stationary phase were reacted with β-Cyclodextrin (β-CD). The resulting morphology was characterized by using scanning electron microscopy (SEM) and Fourier-transform infrared spectroscopy (FT-IR). The chromatographic performance of the column was evaluated by hydrophilic interaction chromatography (HILIC). Amino acids were used as test solutes. The running buffer conditions for the enantioseparation were found to be 85% acetonitrile (ACN):10%MeOH: 5% H2O at 0.1% v/v trifluoro acetic acid (TFA) (flow rate: 800 nL/min). The enantioseparation provided high theoretical plate numbers up to 26 000 platesm−1. A good retention capacity within satisfactory retention times was also achieved. Real sample applicability of this column to the separation of amino acid enantiomers in fruit juice sample was demonstrated. © 2018 Wiley Periodicals, Inc.
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https://www.scopus.com/inward/record.uri?eid=2-s2.0-85052639685&doi=10.1002%2fchir.23006&partnerID=40&md5=14d9c61d6920c57f74d07e10a67c4def
http://acikerisim.bingol.edu.tr/handle/20.500.12898/4391
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