Imitation of artificial membrane system via mobile phases with Tween-80 and cholic acid in biopartitioning micellar chromatography

The chromatographic behaviour of compounds of biomedical significance was studied using micellar mobile phases modified with polyoxyethylene (20) sorbitan monooleate (Tween‐80). The influence of the surfactant within the 0.75–4% concentration range on the retention factor of model compounds was inve...

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Veröffentlicht in:Biomedical chromatography 2006-08, Vol.20 (8), p.753-759
Hauptverfasser: Rukhadze, Marina D., Sebiskveradze, Maya V., Akhalkatsi, Tsaro G., Makharadze, Teona G.
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container_end_page 759
container_issue 8
container_start_page 753
container_title Biomedical chromatography
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creator Rukhadze, Marina D.
Sebiskveradze, Maya V.
Akhalkatsi, Tsaro G.
Makharadze, Teona G.
description The chromatographic behaviour of compounds of biomedical significance was studied using micellar mobile phases modified with polyoxyethylene (20) sorbitan monooleate (Tween‐80). The influence of the surfactant within the 0.75–4% concentration range on the retention factor of model compounds was investigated. The biological surfactant cholic acid was introduced into the mobile phases in order to approach to the structure of natural membranes, viz. erythrocyte and cytoplasmatic membranes. It was found that curves of dependence of retention factor vs concentration of Tween‐80 in the absence and presence of cholic acid in the mobile phase considerably diverge with one another, especially in the 2–3% concentration range of Tween‐80 using C18‐type support. Increasing the concentration of Tween‐80 resulted in the increase of retention factors using phenyl‐coated stationary phase. Copyright © 2005 John Wiley & Sons, Ltd.
doi_str_mv 10.1002/bmc.592
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subjects biopartitioning micellar chromatography
cholic acid
Cholic Acid - chemistry
Chromatography, High Pressure Liquid
Chromatography, Micellar Electrokinetic Capillary - methods
Hydrophobic and Hydrophilic Interactions
hydrophobicity
Membranes, Artificial
Micelles
Polysorbates - chemistry
Tween-80
Vitamins - isolation & purification
title Imitation of artificial membrane system via mobile phases with Tween-80 and cholic acid in biopartitioning micellar chromatography
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