Wool keratin: A novel building block for layer-by-layer self-assembly

被引：30
|
作者：
Yang, Xiao [2 ]
Zhang, Hui [2 ]
Yuan, Xiaoliang [2 ]
Cui, Shuxun [1 ]
机构：
[1] SW Jiaotong Univ, Minist Educ, Key Lab Adv Technol Mat, Chengdu 610031, Peoples R China
[2] Sichuan Univ, Polymer Res Inst, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2009年 / 336卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Biopolymers; Building block; Nanolayers; Self-assembly; Wool keratin; POLYELECTROLYTE MULTILAYER FILMS; FEATHER KERATINS; ULTRATHIN FILMS; DIAZO-RESINS; DNA; ADSORPTION; DEPOSITION; RELEASE; GROWTH; STABILIZATION;
D O I：
10.1016/j.jcis.2009.04.050
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We utilize the extracted water-soluble wool keratin as the building block for the layer-by-layer (LbL) assembly. By adjusting the solution pH, keratin can be used as polycation or polyanion. Experimental results indicate that multilayer films of keratin together with other synthetic polyelectrolytes have been fabricated successfully. We have found that the average thickness of each bilayer of the keratin containing film is evidently larger than that of usual multilayer films previously reported. This feature is helpful to fabricate relatively thick films in less deposition cycles. The use of keratin in LbL assembly is helpful to prepare a biocompatible surface for tissue engineering. (C) 2009 Elsevier Inc. All rights reserved.
引用
收藏
页码：756 / 760
页数：5
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