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相关概念视频

Atomic Force Microscopy01:08

Atomic Force Microscopy

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Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
The AFM Probe
The probe is regarded as the heart of any AFM setup and comprises the...
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Studying the Cytoskeleton01:17

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The cytoskeletal architecture can be studied using different microscopic and biochemical techniques. Electron microscopy was instrumental in discovering the cytoskeletal architecture around the 1960s, which allowed obtaining structural information at a high-resolution level. However, the sample preparation procedure often limits this ability in biological samples. Several protocols have been developed over the years to optimize sample preparation. In one of the protocols known as rotary...
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相关实验视频

Updated: Jul 13, 2025

High-Speed Atomic Force Microscopy Imaging of DNA Three-Point-Star Motif Self Assembly Using Photothermal Off-Resonance Tapping
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High-Speed Atomic Force Microscopy Imaging of DNA Three-Point-Star Motif Self Assembly Using Photothermal Off-Resonance Tapping

Published on: March 22, 2024

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使用高速原子力显微镜可视化分子动力学.

Chris van Ewijk1, Sourav Maity1, Wouter H Roos2

  • 1Molecular Biophysics, Zernike Instituut, Rijksuniversiteit Groningen, Groningen, The Netherlands.

Methods in molecular biology (Clifton, N.J.)
|October 12, 2023
PubMed
概括
此摘要是机器生成的。

高速原子力显微镜 (HS-AFM) 能够在高分辨率下可视化动态分子过程. 这种技术允许在接近生理条件下研究生物分子的基本结构变化.

关键词:
原子力显微镜 (AFM) 是一种原子力显微镜.生物应用 生物应用这是一个Cantilever.高速飞行机组机组管理系统 (AFM)间歇性的接触接触.单个分子 单个分子

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Atomic Force Microscopy of Red-Light Photoreceptors Using PeakForce Quantitative Nanomechanical Property Mapping
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Sub-nanometer Resolution Imaging with Amplitude-modulation Atomic Force Microscopy in Liquid
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Sub-nanometer Resolution Imaging with Amplitude-modulation Atomic Force Microscopy in Liquid

Published on: December 20, 2016

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Atomic Force Microscopy of Red-Light Photoreceptors Using PeakForce Quantitative Nanomechanical Property Mapping
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Sub-nanometer Resolution Imaging with Amplitude-modulation Atomic Force Microscopy in Liquid
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科学领域:

  • 生物物理学的生物物理.
  • 分子生物学分子生物学
  • 显微镜技术 显微镜技术

背景情况:

  • 生物分子中的动态过程和结构变化是生命的基础.
  • 传统的原子力显微镜 (AFM) 提供了高分辨率,但缺乏捕捉分子动态的速度.
  • 图像速率的限制使得传统的AFM无法研究快速分子事件.

研究的目的:

  • 介绍和描述高速原子力显微镜 (HS-AFM) 的工作原理.
  • 为液体生物样本的HS-AFM成像提供操作协议.
  • 为了使生物分子动力学在亚纳米分辨率的研究.

主要方法:

  • 高速原子力显微镜 (HS-AFM) 提高成像速度.
  • 液体生物样本的成像和表征.
  • 为高压空气管理系统的运行制定协议.

主要成果:

  • 与传统AFM相比,HS-AFM显著增加了成像速度.
  • 能够以高时空分辨率可视化动态分子事件.
  • 促进生物分子的近生理成像.

结论:

  • 在研究分子动力学方面,HS-AFM克服了传统AFM的时间限制.
  • 这种技术为生物分子的功能机制提供了前所未有的洞察力.
  • 描述的协议有助于HS-AFM在生物研究中的应用.