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相关概念视频

Super-resolution Fluorescence Microscopy01:37

Super-resolution Fluorescence Microscopy

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Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...
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Conventional electron microscopy (EM) involves dehydration, fixation, and staining of biological samples, which distorts the native state of biological molecules and results in several artifacts. Also, the high-energy electron beam damages the sample and makes it difficult to obtain high-resolution images. These issues can be addressed using cryo-EM, which uses frozen samples and gentler electron beams. The technique was developed by Jacques Dubochet, Joachim Frank, and Richard Henderson, for...
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Electron Microscope Tomography and Single-particle Reconstruction01:07

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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
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Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

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Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
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Correlative Super-resolution and Electron Microscopy to Resolve Protein Localization in Zebrafish Retina
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对于冷-CLEM的定量超分辨率方法.

Laura C Zanetti-Domingues1, Michael Hirsch1, Lin Wang1

  • 1CLF Octopus Facility, UKRI-Science and Technology Facilities Council, R92, Rutherford Appleton Laboratory, Didcot, United Kingdom.

Methods in cell biology
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概括
此摘要是机器生成的。

超高分辨率的低温光显微镜通过使低丰度目标的精确3D定位能够推进结构生物学. 这种技术通过将功能数据与超结构信息相结合,以获得全面的生物见解来增强冷电子断层扫描.

关键词:
3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D STORM 3D 3D STORM 3D 3D STORM 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm storm what is what is what is what is what is what is what is what is what is what is what is what is what is what is what is what is what is what is what is what is what is what is细菌生物学 细菌生物学这就是Clem Clem.集群分析分析集群分析漂移纠正 漂移纠正 漂移纠正膜蛋白是一种膜蛋白.这是一场风暴.这是一场超级强烈的风暴.冷-CLEMEM 的使用情况.这就是冷风暴 (cryo-STORM).低温光显微镜的使用方法

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相关实验视频

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科学领域:

  • 结构生物学 结构生物学
  • 显微镜技术 显微镜技术
  • 生物物理学的生物物理.

背景情况:

  • 低温电子断层扫描 (cryo-ET) 彻底改变了生物结构的确定,但仅限于丰富或明确的结构.
  • 精确的3D定位和功能注释低丰度物种对于完全理解结构功能关系至关重要.
  • 目前的光成像在冷条件下缺乏精确定位和功能分配的分辨率.

研究的目的:

  • 介绍超分辨率低温光技术的发展,用于增强生物成像.
  • 展示这些技术在超结构层面研究生物系统的应用.
  • 讨论这些方法对于未来的冷相对光和电子显微镜 (cryo-CLEM) 工作流程的潜力.

主要方法:

  • 开发和应用超分辨率低温光技术:超SIL-STORM和基于的3D STORM.
  • 生物系统的成像,包括哺乳动物细胞和大肠杆菌.
  • 功能注释与超结构信息的相关性.

主要成果:

  • 超高分辨率冷光显微镜的演示,用于精确地3D定位生物目标.
  • 适用于各种生物系统,突出研究稀少物种的能力.
  • 讨论所介绍的超分辨率技术的优点和局限性.

结论:

  • 超高分辨率的低温光显微镜对于实现化ET的全部潜力至关重要.
  • 这些技术可以整合功能和超结构数据,以获得全面的生物学见解.
  • 未来在冷-CLEM工作流程中的应用有望在研究复杂的生物过程中取得重大进展,例如膜蛋白复合体.