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Updated: Feb 28, 2026

Automated Hydrophobic Interaction Chromatography Column Selection for Use in Protein Purification
Published on: September 21, 2011
Doxycycline as a new chiral selector in capillary electrophoresis
Min Gyeong Jang1, Myung Duk Jang2, Jung Hag Park1
1Department of Chemistry, Yeungnam University, Gyeongsan 38541, South Korea.
Abstract:
Doxycycline (DOX) is one of the tetracycline class of antibiotics and has not been examined for its enantioseparation abilities previously. The purpose of the present work was to evaluate DOX as a chiral selector (CS) using capillary electrophoresis (CE) in nonaqueous mode. Systematic experiments were performed to investigate the effects of concentration of CS, compositions of organic solvents and background electrolytes, applied voltage on chiral separation of a set of acidic chiral compounds. Excellent resolutions of enantiomers of acidic chiral compounds were attained in a background electrolytes composed of 50:50 acetonitrile/methanol+214mM acetic acid+ 63mM triethylamine and 38mM DOX. The results show that DOX is a viable chiral selector in CE for the enantioseparation of the type of chiral compounds investigated.
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