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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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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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相关实验视频

Updated: Jun 8, 2025

Single-Molecule Tracking Microscopy - A Tool for Determining the Diffusive States of Cytosolic Molecules
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超快速光场显微镜与事件检测.

Liheng Bian1, Xuyang Chang1, Hanwen Xu1

  • 1State Key Laboratory of CNS/ATM & MIIT Key Laboratory of Complex-field Intelligent Sensing, Beijing Institute of Technology, No 5 Zhongguancun South Street, Haidian District, 100081, Beijing, China.

Light, science & applications
|November 7, 2024
PubMed
概括
此摘要是机器生成的。

事件检测技术大大加快了光场显微镜成像速度. 这种进步也提高了轴分辨率,即使在散射介质内.

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FRET Microscopy for Real-time Monitoring of Signaling Events in Live Cells Using Unimolecular Biosensors
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科学领域:

  • 光学和光子学 在光学和光子学.
  • 生物医学成像技术 生物医学成像技术
  • 显微镜的使用方法

背景情况:

  • 光场显微镜 (LFM) 提供了独特的3D成像能力.
  • 传统的LFM在成像速度和分辨率方面面临限制,特别是在分散环境中.
  • 散射介质对高分辨率的生物成像构成重大挑战.

研究的目的:

  • 引入和评估LFM的事件检测技术.
  • 为了提高LFM的成像速度.
  • 改进LFM在散射介质中的轴分辨率.

主要方法:

  • 实施针对LFM数据量身定制的事件检测算法.
  • 在受控散射条件下获取LFM数据.
  • 在应用该技术之前和之后,对成像速度和轴分辨率进行定量分析.

主要成果:

  • 事件检测技术显著提高了LFM成像速度的数量级.
  • 观察到轴分辨率的同时增强.
  • 即使在具有挑战性的散射介质中也表现出有效的性能.

结论:

  • 事件检测是克服LFM速度限制的强大方法.
  • 这种技术使生物样本的3D成像速度更快,分辨率更高.
  • 该方法显示了在分散生物组织的先进应用的前景.