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Adsorption Characteristics of PES-BSA Affinity Membrane Prepared by Electrospinning  

Byun, Hong-Sik (Department of Chemical System Engineering, Keimyung University)
Hong, Byung-Pyo (Department of Chemical System Engineering, Keimyung University)
Publication Information
Membrane Journal / v.18, no.4, 2008 , pp. 306-316 More about this Journal
Abstract
The adsorption characteristics of L-tryptophan of PES-BSA affinity membranes prepared by using electro-spinning were investigated. It was found that the fiber diameters could be controlled by the comparisons of fiber diameters prepared by various spinning conditions through FESEM and Image Analyzer. Darcy's permeability constants, mechanical properties and hydrophobic properties were enhanced since micro-fibers increased by increasing the composition ratio of HFB and BSA. The elution capacity of L-tryptophan in borate-DMSO buffer solution was higher than that in tris-HCl buffer solution, while the elution capacity of A 7906 type BSA was higher than A 8022 type BSA. This is due to the characteristics of BSA type, i. e. higher purity and uniform molecular weight and better pH stability of A 7906 type BSA than those of A 8022 type BSA.
Keywords
PES-BSA; L-tryptophan; affinity membrane; buffer solution;
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Times Cited By KSCI : 2  (Citation Analysis)
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