✦ LIBER ✦

Electrophoretic Properties of Latex Particles with Immobilized Bovine Serum Albumin

✍ Scribed by Tai-Horng Young; Chen-Yuan Kao; Meng-Ying Hsieh; Bing-Jie Wang; Jyh-Ping Hsu

Publisher: Elsevier Science
Year: 2001
Tongue: English
Weight: 85 KB
Volume: 239
Category: Article
ISSN: 0021-9797
DOI: 10.1006/jcis.2001.7577

No coin nor oath required. For personal study only.

✦ Synopsis

In this study, bovine serum albumin (BSA) was covalently immobilized onto the surfaces of methyl methacrylate/methyl acrylic acid core-shell latex particles by the carbodiimide method, and the variation of the zeta potential of the BSA-latex complex as a function of the amount of BSA immobilized was measured. The experimental data revealed that the absolute zeta potential of BSA-latex complex exhibited a local minimum at 0.05 mg/m 2 of immobilized BSA. A two-layer model for the description of the electrophoretic behavior of the BSA-latex complex is proposed which is capable of explaining the behavior of the variation of the zeta potential as a function of the amount of BSA immobilized.

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