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Procedure for Fabricating Biofunctional Nanofibers
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有机纳米纤维嵌入了响应刺激的螺纹分子组件.

Vito Fasano1, Massimo Baroncini, Maria Moffa

  • 1Dipartimento di Matematica e Fisica "Ennio De Giorgi", Università del Salento , via Arnesano I-73100 Lecce, Italy.

Journal of the American Chemical Society
|September 30, 2014
PubMed
概括

研究人员用分子机器创建了智能聚合物纳米纤维,这些机器在暴露于酸或时会改变刚性. 这一突破使新的化学传感器和响应性材料成为可能.

科学领域:

  • 超分子化学 超分子化学
  • 材料科学 是一种材料科学.
  • 纳米技术纳米技术

背景情况:

  • 将分子机器与固态材料相连接对于传感和执行应用至关重要.
  • 聚合物纳米纤维为操纵和组织功能分子提供了一个平台.

研究的目的:

  • 开发嵌入刺激响应性罗塔克桑系统的电纳米复合材料.
  • 研究分子机器在聚合物纳米纤维中的集成,以提高功能.

主要方法:

  • 聚合物纳米纤维的电,其中包含一个自组装的罗他素系统.
  • 利用光学 (紫外线) 和化学 (酸/) 刺激来启动分子机器.
  • 描述纳米纤维机械性质的变化.

主要成果:

  • 纳米纤维中的罗他素系统对酸/蒸气和光作出反应,类似于溶液阶段的行为.
  • 分子机器中的纳米级机械变化导致纳米纤维的可测量的宏观性质变化.
  • 对齐的纳米纤维的模量在脱线后显著增加.

结论:

  • 开发的复合纳米系统显示了化学传感器和光子执行器的潜力.

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  • 将分子机器集成到纳米纤维中,可以创建对环境有反应性的材料.
  • 这项工作强调了将超分子系统与固态纳米结构接口的重要性.