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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...
Introduction to MATLAB01:24

Introduction to MATLAB

MATLAB stands for Matrix Laboratory. MathWorks developed MATLAB as a multi-paradigm numerical computing environment and proprietary programming language. It has evolved significantly over the years to become a tool utilized by engineers, scientists, and mathematicians for various tasks, including matrix calculations, developing algorithms, data analysis, and visualization. MATLAB's applications span various industries and disciplines. It's used in image and signal processing, communications,...

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相关实验视频

Updated: May 8, 2026

From Fast Fluorescence Imaging to Molecular Diffusion Law on Live Cell Membranes in a Commercial Microscope
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史密特:单分子成像工具箱非凡 (MATLAB)

David J Schodt1, Michael J Wester1,2, Mohamadreza Fazel1

  • 1Department of Physics and Astronomy, University of New Mexico, Albuquerque, United States of America.

Journal of open source software
|October 7, 2024
PubMed
概括
此摘要是机器生成的。

光单分子成像技术,如SMLM和SPT,通过定位单个光分子来实现纳米分辨率. 这些强大的方法需要显著的计算分析,以阐明生物结构和行为.

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科学领域:

  • 生物物理学的生物物理.
  • 光学显微镜的使用方法
  • 纳米技术纳米技术

背景情况:

  • 光单分子成像检测到单个光分子进行高分辨率分析.
  • 技术克服光显微镜的衍射极限,用于纳米尺度对生物结构的成像.
  • 方法对于理解分子层面的生物行为至关重要.

研究的目的:

  • 提供光单分子成像技术的概述.
  • 突出SMLM和SPT的原则和应用.
  • 强调这些方法的计算需求和相互关系.

主要方法:

  • 单分子定位显微镜 (SMLM) 用于静态结构的超分辨率成像.
  • 单粒子追踪 (SPT) 用于监测单个分子的动态.
  • 利用光标记生物结构进行纳米尺度可视化.

主要成果:

  • 通过SMLM,可以对静态生物样本进行2D/3D超高分辨率成像.
  • SPT跟踪生物系统中单个或少数分子的运动.
  • 这两种技术都能达到低于衍射极限的分辨率.

结论:

  • 光单分子成像为纳米生物研究提供了强大的工具.
  • SMLM和SPT为研究结构和动态提供了互补的方法.
  • 密集的数值计算是这些先进的成像方法的组成部分.