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Related Concept Videos

Super-resolution Fluorescence Microscopy01:37

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 developed.

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Simultaneous Multicolor Imaging of Biological Structures with Fluorescence Photoactivation Localization Microscopy
12:51

Simultaneous Multicolor Imaging of Biological Structures with Fluorescence Photoactivation Localization Microscopy

Published on: December 9, 2013

Multi-photon imaging.

Krishnan Padmanabhan1, Shane E Andrews, James A J Fitzpatrick

  • 1Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA.

Current Protocols in Cytometry
|October 13, 2010
PubMed
Summary
This summary is machine-generated.

Multi-photon microscopy offers powerful live cell and in vivo fluorescence imaging. This technique, utilizing ultrafast lasers, enables detailed biological research and structural analysis in living organisms.

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Area of Science:

  • Biophysics
  • Cell Biology
  • Microscopy

Background:

  • Multi-photon microscopy has advanced significantly over 20 years.
  • Its practical application in biology relies on ultrafast lasers and scanning techniques.

Purpose of the Study:

  • To outline the principles and technical considerations of multi-photon microscopy for biological applications.
  • To discuss common applications in live cell and in vivo imaging.

Main Methods:

  • Focus on the technical aspects of multi-photon microscopy.
  • Exploration of its utility in live biological systems.

Main Results:

  • Demonstrates multi-photon microscopy's capability for structural cell changes and protein trafficking studies.
  • Achieves high-resolution imaging in living organisms with millisecond temporal resolution.

Conclusions:

  • Multi-photon microscopy is a robust tool for advanced biological imaging.
  • Key elements for establishing a successful two-photon microscopy system are outlined.