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相关概念视频

Super-resolution Fluorescence Microscopy01:37

Super-resolution Fluorescence Microscopy

12.2K
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 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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相关实验视频

Updated: Jan 17, 2026

Simultaneous Label-Free Autofluorescence Multi-Harmonic Microscopy
09:19

Simultaneous Label-Free Autofluorescence Multi-Harmonic Microscopy

Published on: August 29, 2025

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同时无标签的自发光多波显微镜

Kevin K D Tan1, Alejandro De la Cadena2, Edita Aksamitiene2

  • 1Beckman Institute for Advanced Science and Technology, University of Illinois Urbana-Champaign; Department of Bioengineering, University of Illinois Urbana-Champaign.

Journal of visualized experiments : JoVE
|September 15, 2025
PubMed
概括
此摘要是机器生成的。

同时无标签自发光多波 (SLAM) 显微镜图像使用多个非线性光学信号组织. 这种无标签的技术揭示了在没有外源标签的生物标本中的形态,代谢和功能特征.

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Conducting Multiple Imaging Modes with One Fluorescence Microscope
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相关实验视频

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Published on: August 29, 2025

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Simultaneous Multicolor Imaging of Biological Structures with Fluorescence Photoactivation Localization Microscopy
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Simultaneous Multicolor Imaging of Biological Structures with Fluorescence Photoactivation Localization Microscopy

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科学领域:

  • 生物医学光学 生物医学光学
  • 显微镜的使用方法
  • 分子成像学分子成像学

背景情况:

  • 非线性光学显微镜可提供无标签的,高分辨率的生物样品成像.
  • 结合非线性对比增强了研究细胞和组织的分析能力.
  • 现有的方法在同时获取多个非线性信号方面存在局限性.

研究的目的:

  • 提出一种用于同时无标签自光多波 (SLAM) 组织显微镜的协议.
  • 详细介绍SLAM成像的基本组件和工作流程.
  • 为了使生物标本没有外源标签的全面分析.

主要方法:

  • SLAM显微镜利用超短激光脉冲产生多个非线性光学信号.
  • 该技术涉及特定的激光源,脉冲压缩和显微镜配置.
  • 样品准备和数据处理管道被优化用于组织成像.

主要成果:

  • SLAM显微镜获取四个或更多并发的非线性光学信号.
  • 该技术允许同时测量自发光和波生成.
  • 这为分析各种生物特征提供了丰富的数据集.

结论:

  • 通过SLAM显微镜,可以对组织形态,新陈代谢和功能进行无标签的研究.
  • 提出的协议促进了SLAM成像对人类和动物组织的应用.
  • 这种先进的成像方法提高了在亚细胞分辨率下对生物标本的理解.