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Controlled geometry fabrication of polydimethylsiloxane nanofibers for biomimetics

机译:用于仿生的聚二甲基硅氧烷纳米纤维的受控几何结构制备

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摘要

The ability to have control of fabricated structures on the nanometer size scale is essential in interfacing inorganic technologies with biological systems in many scientific areas including biomimetics and cell topology studies. Here, we developed a simple and efficient method to produce polydimethylsiloxane (PDMS) nanofibers with controlled aspect ratios that could be used in biological studies. As PDMS is a well studied polymer system, this structure would enable a variety of diverse applications. A template synthesis technique was used to create the fibers by molding a polymer solution into an alumina membrane. The pressure and the template surface chemical characteristics were controlled to enable the easy creation of geometric configurations with up to a 30-fold range of aspects ratios through the use of the same porous alumina template. These fibers can be also used in producing biomimetic synthetic column structures that are found in biological systems such as spider hairs and gecko feet. (c) 2007 Wiley Periodicals, Inc.
机译:在包括仿生和细胞拓扑研究在内的许多科学领域中,将无机技术与生物系统进行接口连接的能力对于控制纳米结构规模的制造结构至关重要。在这里,我们开发了一种简单有效的方法来生产具有受控长径比的聚二甲基硅氧烷(PDMS)纳米纤维,该方法可用于生物学研究。由于PDMS是一个经过充分研究的聚合物系统,因此该结构将能够实现多种多样的应用。使用模板合成技术通过将聚合物溶液模制成氧化铝膜来制造纤维。通过使用相同的多孔氧化铝模板,可控制压力和模板表面化学特性,以轻松创建宽高比高达30倍的几何构型。这些纤维也可用于生产仿生合成柱结构,该结构可在生物系统(如蜘蛛毛和壁虎脚)中找到。 (c)2007年Wiley Periodicals,Inc.

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