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Potential of human serum albumin as chiral selector of basic drugs in affinity electrokinetic chromatography‐partial filling technique
Author(s) -
MartínezGómez Maria A.,
VillanuevaCamañas R. M.,
Sagrado Salvador,
MedinaHernández Maria J.
Publication year - 2006
Publication title -
electrophoresis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.666
H-Index - 158
eISSN - 1522-2683
pISSN - 0173-0835
DOI - 10.1002/elps.200600216
Subject(s) - electrokinetic phenomena , chromatography , chemistry , affinity chromatography , albumin , serum albumin , human serum albumin , biochemistry , enzyme
The enantiomeric resolution of compounds using HSA by means of affinity EKC (AEKC)‐partial filling technique is the result of a delicate balance between different experimental variables such as protein concentration, running pH (background electrophoretic buffer (BGE), protein, and compound solutions), and plug length. In this paper, the possibility of using HSA as chiral selector for enantioseparation of 28 basic drugs using this methodology is studied. The effect of the physicochemical parameters, the structural properties of compounds, and compound–HSA protein binding percentages over their chiral resolution with HSA is outlined. Based on the results obtained, a decision tree is proposed for the “ a priori ” prediction of the capability of HSA for enantioseparation of basic drugs in AEKC. The results obtained indicated that enantioresolution of basic compounds with HSA depends on the hydrophobicity, polarity, and molar volume of compounds.