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相关概念视频

Assembly of Signaling Complexes01:30

Assembly of Signaling Complexes

Multiprotein signaling complexes are formed in a dynamic process involving protein-protein interactions at the cytoplasmic domain of transmembrane receptors or enzymatic and non-enzymatic proteins associated with the receptor. These complexes ensure the activation and propagation of intracellular signals that regulate cell functions.
Interaction domains in cell signaling
Interaction domains recognize exposed features of their binding partners containing post-translationally modified sequences,...
Semiconductors01:22

Semiconductors

There is variation in the electrical conductivity of materials - metals, semiconductors, and insulators that are showcased with the help of the energy band diagrams.
Metals such as copper (Cu), zinc (Zn), or lead (Pb) have low resistivity and feature conduction bands that are either not fully occupied or overlap with the valence band, making a bandgap non-existent. This allows electrons in the highest energy levels of the valence band to easily transition to the conduction band upon gaining...

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相关实验视频

Updated: Jun 15, 2026

Silicon Microchips for Manipulating Cell-cell Interaction
23:21

Silicon Microchips for Manipulating Cell-cell Interaction

Published on: August 30, 2007

在上进行分层自组装.

Francesca Tancini1, Damiano Genovese, Marco Montalti

  • 1Dipartimento di Chimica Organica e Industriale, Università di Parma, and INSTM UdR Parma, 43124 Parma, Italy.

Journal of the American Chemical Society
|March 12, 2010
PubMed
概括

研究人员开发了一种新的方法,利用宿主-客人和H-结合相互作用在晶片上自组装大型超分子结构. 这种技术可以在分子水平上进行精确,可逆的控制,用于先进的材料制造.

科学领域:

  • 超分子化学 超分子化学
  • 材料科学 材料科学 材料科学
  • 表面化学 表面化学

背景情况:

  • 设计自我组装分子对于创建复杂结构至关重要.
  • 控制表面上的分子组合需要正交和可逆相互作用.

研究的目的:

  • 开发一种可靠的方法,用于在晶片上自组装大型超分子结构.
  • 嵌入和控制直角宿主-客和H-结合相互作用,用于分子层次的组件控制.

主要方法:

  • 模块化组件的合成,其中包括四酸盐腔体和尿二胺部分.
  • 解决阶段研究,以评估组装/拆卸序列和相互作用直角性.
  • 在晶片上将自组装过程转移到固态.
  • 使用原子力显微镜 (AFM),圆测量和光学进行表征.

主要成果:

  • 在晶片上建立了超分子结构自组装的可靠方法.
  • 证明了宿主-客和H-结合相互作用的正交和可逆控制.
  • 取得了成功的固态组装与个别可定位的拆卸.
  • 表面分析证实了超分子结构的形成和表征.

结论:

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Probing C84-embedded Si Substrate Using Scanning Probe Microscopy and Molecular Dynamics
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Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles
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Silicon Microchips for Manipulating Cell-cell Interaction
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Probing C84-embedded Si Substrate Using Scanning Probe Microscopy and Molecular Dynamics
13:58

Probing C84-embedded Si Substrate Using Scanning Probe Microscopy and Molecular Dynamics

Published on: September 28, 2016

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles
08:39

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

Published on: October 16, 2017

  • 开发的方法允许对固态超分子组件进行精确的分子级控制.
  • 结合动图的直角性允许对外部刺激作出可预测的反应.
  • 这项工作为通过受控自组装制造的先进功能材料提供了基础.