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All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
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通过两个单壁碳纳米管同时进行单离子传输的动力学:对三态系统的观察

Wonjoon Choi1, Chang Young Lee, Moon-Ho Ham

  • 1Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States.

Journal of the American Chemical Society
|December 21, 2010
PubMed
概括

研究人员开发了一个单壁碳纳米管纳米孔平台,用于检测和运输单个离子. 不对称的静电屏障使离子捕获成为可能,为先进的分子操纵和分离技术铺平了道路.

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Facilitated Transport01:19

Facilitated Transport

The chemical and physical properties of plasma membranes cause them to be selectively permeable. Since plasma membranes have both hydrophobic and hydrophilic regions, substances need to be able to transverse both regions. The hydrophobic area of membranes repels substances such as charged ions. Therefore, such substances need special membrane proteins to cross a membrane successfully. In  facilitated transport, also known as facilitated diffusion, molecules and ions travel across a membrane via...