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相关概念视频

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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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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相关实验视频

Updated: Jul 9, 2025

Single Plane Illumination Module and Micro-capillary Approach for a Wide-field Microscope
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Single Plane Illumination Module and Micro-capillary Approach for a Wide-field Microscope

Published on: August 15, 2014

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使用旋转盘的3D结构化照明显微镜[邀请]

Youchang Zhang1, Parisa Asghari2, David R L Scriven2

  • 1Department of Chemistry, Life Sciences Institute, University of British Columbia, Vancouver, BC V6T 1Z1, Canada.

Biomedical optics express
|November 29, 2023
PubMed
概括
此摘要是机器生成的。

这项研究引入了用于3D结构化照明显微镜 (SIM) 的新旋盘方法,提高了成像速度并减少了背景噪声. 该技术为先进的生物成像提供了实时2倍的分辨率改进.

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Visualizing Adhesion Formation in Cells by Means of Advanced Spinning Disk-Total Internal Reflection Fluorescence Microscopy
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Super-resolution Imaging of the Cytokinetic Z Ring in Live Bacteria Using Fast 3D-Structured Illumination Microscopy f3D-SIM
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相关实验视频

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Single Plane Illumination Module and Micro-capillary Approach for a Wide-field Microscope
08:53

Single Plane Illumination Module and Micro-capillary Approach for a Wide-field Microscope

Published on: August 15, 2014

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Visualizing Adhesion Formation in Cells by Means of Advanced Spinning Disk-Total Internal Reflection Fluorescence Microscopy
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Visualizing Adhesion Formation in Cells by Means of Advanced Spinning Disk-Total Internal Reflection Fluorescence Microscopy

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Super-resolution Imaging of the Cytokinetic Z Ring in Live Bacteria Using Fast 3D-Structured Illumination Microscopy f3D-SIM
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科学领域:

  • 显微镜和成像技术技术.
  • 生物物理学的生物物理.
  • 光学工程是指光学工程.

背景情况:

  • 三维结构照明显微镜 (3D SIM) 提供了2倍的空间分辨率改进.
  • 目前的3D SIM方法在成像速度,背景信号拒绝和重建精度方面面临限制.
  • 这些局限性阻碍了3D SIM在生物研究中的广泛采用.

研究的目的:

  • 开发一种新的3D SIM技术,克服现有方法的局限性.
  • 为了提高成像速度,减少对3D SIM中失焦光的敏感性.
  • 为了实现实时超分辨率图像重建.

主要方法:

  • 一个旋转的磁盘被设计成生成一个3D格子照明模式.
  • 旋转盘系统可实时光学重建超高分辨率图像.
  • 该方法在物理上拒绝了大量的背景信号.

主要成果:

  • 在空间分辨率 (横向和轴向) 中实现了2倍的改进.
  • 已证明高成像速度高达每秒100.
  • 成功拒绝了90%的背景信号,减少了重建错误.

结论:

  • 新的旋盘3D SIM技术显著推进了超分辨率显微镜.
  • 这种方法为3D生物成像提供了一种更快,更强大,更容易出错的替代方案.
  • 实时重建和改进的信号噪声比率促进了先进的细胞和组织分析.