General functionalization route for cell adhesion on non-wetting surfaces

被引:630
作者
Ku, Sook Hee [1 ]
Ryu, Jungki [1 ]
Hong, Seon Ki [2 ,3 ]
Lee, Haeshin [2 ,3 ]
Park, Chan Beum [1 ]
机构
[1] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Inst BioCentury, Taejon 305701, South Korea
[2] Korea Adv Inst Sci & Technol, Dept Chem, Taejon 305701, South Korea
[3] Korea Adv Inst Sci & Technol, Grad Sch Nanosci & Technol, Inst BioCentury, Taejon 305701, South Korea
基金
新加坡国家研究基金会;
关键词
Cell adhesion; Non-wetting surfaces; Mussel adhesives; Poly(dopamine); Surface modification; PROTEIN; ATTACHMENT; CHEMISTRY; SCAFFOLD; DESIGN; FILMS;
D O I
10.1016/j.biomaterials.2009.12.020
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
We present a versatile route for promoting cell adhesion and viability on various non-wetting Surfaces. inspired by mussel adhesion mechanism. The oxidative polymerization of dopamine, a small designer molecule of the DOPA-K motif found in mussels, results in the formation of a poly(dopamine) ad-layer on any material Surface We found that the poly(dopamine) coating can promote cell adhesion oil any type of material surfaces including the well-known anti-adhesive Substrate, poly(tetrafluoroethylene) According to our results. mammalian cells well adhered and underwent general cell adhesion processes (i e. attachment to Substrate. spreading, and cytoskeleton development) oil poly(dopamine)-modified surfaces, while they barely adhered and spread on unmodified non-wetting surfaces The mussel-inspired Surface functionalization strategy is extremely useful because it does not require the time-consuming synthesis of complex linkers and the process is solvent-free and non-toxic Therefore, it call be a powerful route for converting a variety of bioinert Substrates into bioactive ones (C) 2009 Elsevier Ltd All rights reserved
引用
收藏
页码:2535 / 2541
页数:7
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