Enantioselective discrimination of menthone enantiomers by using achiral liquid chromatography with circular dichroism detection and penicillamine-coated gold nanoparticles

作者: Mohamed Bouri , Rachid Salghi , Mohammed Zougagh , Angel Ríos

DOI: 10.1016/J.MICROC.2015.10.021

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摘要: Abstract A simple and rapid method is described for enantioselective discrimination of menthone enantiomers in peppermint oil samples. The includes a quick preparation procedure, followed by achiral liquid chromatography with circular dichroism detection (ALC-CD) an on-line penicillamine-coated gold nanoparticles (Pen-AuNPs) derivatization. involves the ALC-CD, as well enhancement their optical rotation signal was achieved presence Pen-AuNPs. Under optimal experimental conditions present maximum ellipticity between two optically active forms at wavelength 305 nm. calibration curve anisotropy factor (g) versus enantiomeric excess linear correlation coefficient (R2) 0.9984. precision evaluated UV (CD) signals suitable all cases (RSD

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