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Super-resolution Fluorescence Microscopy

Super-resolution Fluorescence Microscopy

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: Sep 16, 2025

Simultaneous Multicolor Imaging of Biological Structures with Fluorescence Photoactivation Localization Microscopy

Simultaneous Multicolor Imaging of Biological Structures with Fluorescence Photoactivation Localization Microscopy

Published on: December 9, 2013

电化学光调制可以同时进行多色成像.

Ying Yang¹, Yuanqing Ma¹, Alexander Macmillan²

¹School of Chemistry and Australian Centre for NanoMedicine, University of New South Wales, Sydney, New South Wales Australia.

Nature photonics

|July 7, 2025

概括

这项研究引入了一种新的多色光成像技术. 它允许同时可视化多达四个具有重叠光谱的光体,使用电化学调制来进行明显的信号分离.

关键词:

光成像成像的使用方法光探测器的光探测器超高分辨率显微镜的使用方法

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Published on: May 5, 2016

相关实验视频

Last Updated: Sep 16, 2025

Simultaneous Multicolor Imaging of Biological Structures with Fluorescence Photoactivation Localization Microscopy

Simultaneous Multicolor Imaging of Biological Structures with Fluorescence Photoactivation Localization Microscopy

Published on: December 9, 2013

Conducting Multiple Imaging Modes with One Fluorescence Microscope

Conducting Multiple Imaging Modes with One Fluorescence Microscope

Published on: October 28, 2018

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

Published on: May 5, 2016

科学领域:

细胞生物学细胞生物学
显微镜的使用方法
频谱学是一种光谱学.

背景情况:

多色光成像对于研究复杂的细胞过程至关重要.
目前的方法需要具有明显的光谱或寿命特性的光体.
在显微镜中,分辨光谱相似的光体仍然是一个挑战.

研究的目的:

开发一种新的多色成像策略,用于解析光谱重叠的光体.
使用标准光显微镜,使多个目标同时可视化.
为各种科学领域提供可访问的多色成像途径.

主要方法:

使用电化学调制来控制光体的亮度.
开发了一种用于多色成像的单色光学配置.
应用了基于不同的光响应模式的线性分离.
已证明适用于四色STED成像的应用.

主要成果:

成功地解决了多达四个光谱重叠的光体.
在电化学调制下,每个光体都表现出独特的光反应模式.
电化学光切换在多色成像和STED显微镜中是有效的.

结论:

电化学光切换为多色成像提供了一个强大的方法.
这种技术通过使用单色光学设置来简化多色成像.
该方法可以适应各种显微镜,促进更广泛的科学应用.