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Adsorption of certain amino acids onto crosslinked diethylaminoethyl dextran microbeads

✍ Scribed by Muhittin Tayfur; Ali Güner

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
90 KB
Volume
96
Category
Article
ISSN
0021-8995

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✦ Synopsis

Abstract

The adsorption dynamism of certain amino acids [alanine (Ala), serine (Ser), lysine (Lys), proline (Pro), and aspartic acid (Asp)] on crosslinked diethylaminoethyl (DEAE) dextran microbeads was investigated with electronic spectroscopy in aqueous solutions. Among the selected amino acids, Ala‐Pro and Ser‐Lys showed similar adsorption dynamism, but Asp showed the strongest tendency for adsorption. The interaction dynamism of Asp with crosslinked DEAE dextran microbeads was studied to determine the mechanism of this adsorption. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci 96: 1985–1991, 2005

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## Abstract Adsorption of proteins on solid surfaces is widely studied because of its importance in various biotechnological, medical, and technical applications, e.g., biosensor cardiovascular implants and chromatography. Adsorption thermodynamics has been studied on the microbeads of __N__,__N__′