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相关概念视频

Electron Microscope Tomography and Single-particle Reconstruction01:07

Electron Microscope Tomography and Single-particle Reconstruction

Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...

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相关实验视频

Updated: May 11, 2026

Compact Quantum Dots for Single-molecule Imaging
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Compact Quantum Dots for Single-molecule Imaging

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未来的芯片实验室技术用于探测单个分子.

Harold Craighead1

  • 1Applied and Engineering Physics, 205 Clark Hall, Cornell University, Ithaca, New York 14853, USA. hgc1@cornell.edu

Nature
|July 28, 2006
PubMed
概括

新技术使得精确的化学取样和单分子分析成为可能. 将它们集成到芯片上的实验室设备中,为研究生物化学和生命过程提供了先进的工具.

科学领域:

  • 生物化学 生物化学
  • 分子生物学分子生物学
  • 分析化学 分析化学

背景情况:

  • 技术进步促进了高分辨率的化学样本采集.
  • 现在可以对单个分子进行操纵和测量.

研究的目的:

  • 探索先进的分子分析技术适应于芯片上的实验室 (LOC) 平台.
  • 突出LOC设备作为新型研究工具的潜力.

主要方法:

  • 使用高空间分辨率的化学采样方法.
  • 采用单个分子操纵和测量的技术.
  • 调整这些方法以集成到lab-on-a-chip系统中.

主要成果:

  • 在LOC设备上证明了单分子分析的可行性.
  • 在LOC格式内的化学采样中展示了高空间分辨率.
  • 建立LOC作为一个可行的平台,用于先进的生物化学研究.

结论:

  • 实验室在芯片上集成先进的分子工具,彻底改变了生物化学研究.
  • 这些新型工具使得在分子层面上对生命过程进行前所未有的调查成为可能.

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Last Updated: May 11, 2026

Compact Quantum Dots for Single-molecule Imaging
17:14

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Published on: October 9, 2012

A Microfluidic Chip for the Versatile Chemical Analysis of Single Cells
15:41

A Microfluidic Chip for the Versatile Chemical Analysis of Single Cells

Published on: October 16, 2013

Combining Single-molecule Manipulation and Imaging for the Study of Protein-DNA Interactions
14:43

Combining Single-molecule Manipulation and Imaging for the Study of Protein-DNA Interactions

Published on: August 27, 2014

  • 微流体学和分子分析的协同作用为生物科学开辟了新的途径.