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相关概念视频

Confocal Fluorescence Microscopy01:16

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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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Three-Dimensional Microscopy in Microbiology01:28

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Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...
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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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相关实验视频

Updated: Jun 7, 2025

Video-rate Scanning Confocal Microscopy and Microendoscopy
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三维随机访问共聚焦显微镜与3D远程聚焦系统.

Haoyang Li1,2, Quan Lu1,3,4, Zhong Wang1,5

  • 1Institute of Systems and Physical Biology, Shenzhen Bay Laboratory, Shenzhen, China.

Communications engineering
|November 11, 2024
PubMed
概括

本研究介绍了一种简单,经济高效,快速的3D随机访问共聚焦显微镜系统. 它为细胞和组织中的高分辨率生物成像提供了更快的速度.

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科学领域:

  • 生物物理学的生物物理.
  • 显微镜的使用方法
  • 细胞生物学 细胞生物学

背景情况:

  • 高速3D成像对于理解细胞和组织中的生物过程至关重要.
  • 现有的3D随机访问显微镜技术往往是复杂和昂贵的.
  • 需要可访问和高效的3D成像解决方案.

研究的目的:

  • 开发一种简单,经济高效,快速的3D随机访问共聚焦显微镜系统.
  • 为了改善当前3D成像技术的局限性.
  • 为了在生物研究和工业中实现更广泛的应用.

主要方法:

  • 实现3D随机访问共聚焦显微镜的远程聚焦系统.
  • 系统响应时间在x,y和z轴上的表征.
  • 使用光粒子和活细胞进行体积成像的演示.

主要成果:

  • 实现了同位素反应时间,与传统的皮埃佐阶段相比,轴向反应得到了34倍的改善.
  • 用光粒子和活细胞证明了体积成像能力.
  • 经过验证的3D随机访问成像,在两个3D位置上具有500Hz的刷新率.

结论:

  • 开发的系统为快速的3D随机访问成像提供了一个简单,多功能和负担得起的解决方案.
  • 这项技术有可能在科学研究和工业应用中得到广泛采用.
  • 改进的轴向响应时间显著提高了3D成像效率.