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Construction and Operation of a Light-driven Gold Nanorod Rotary Motor System
09:48

Construction and Operation of a Light-driven Gold Nanorod Rotary Motor System

Published on: June 30, 2018

光操作的机械化纳米粒子.

Daniel P Ferris1, Yan-Li Zhao, Niveen M Khashab

  • 1Department of Chemistry and Biochemistry, University of California, Los Angeles, 405 Hilgard Avenue, Los Angeles, California 90095-1569, USA.

Journal of the American Chemical Society
|January 23, 2009
PubMed
概括

响应光的半孔性二氧化纳米粒子 (MCM-41) 储存和释放分子. 亚二衍生物和β-环氧素环作为光控制的门,用于控制的货物释放.

科学领域:

  • 材料科学 材料科学 材料科学
  • 纳米技术 纳米技术
  • 超分子化学 超分子化学

背景情况:

  • 半孔二氧化纳米粒子 (MCM-41) 为分子存储提供了很大的表面积.
  • 亚衍生物为控制释放应用提供光响应元素.
  • 贝塔-环极德和基修饰的贝塔-环极德是超分子组装的有效宿主分子.

研究的目的:

  • 为了制造和表征MCM-41纳米颗粒功能化与亚博衍生物.
  • 开发一种光触发系统,以控制小分子的释放.
  • 研究用于纳米孔门的伪素的形成和解离.

主要方法:

  • 合成和特征的阿扎本改性MCM-41纳米颗粒.
  • 使用β-cyclopodextrin和/或pyrene修饰的β-cyclopodextrin环组装伪素.
  • 对阿佐二烯光诱导异构的研究,用于门打开和货物释放.

主要成果:

  • 成功制造使用阿佐衍生物修饰的MCM-41纳米颗粒.
  • 通过将β-cyclopodextrin连接到阿佐烯茎上,密封纳米孔,形成稳定的伪素.
  • 光诱导的亚博二氧化物转至二氧化物同质化触发了β-环氧的解离,导致货物释放.

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Published on: November 14, 2015

结论:

  • 亚改性MCM-41纳米颗粒作为有效的光响应药物递送系统.
  • 伪氧结构为控制的纳米孔关提供了一个强大的机制.
  • 该系统展示了在光照射后对封装分子释放的精确控制的潜力.