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Related Concept Videos

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

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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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Total Internal Reflection Fluorescence Microscopy01:05

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Total internal reflection fluorescence microscopy or TIRF is an advanced microscopic technique used to visualize fluorophores in samples close to a solid surface with a higher refractive index, such as a glass coverslip. TIRF only allows fluorophores in proximity to the solid surface to be excited. When light from a medium with a lower refractive index (such as air) hits the glass coverslip at a critical angle, the light undergoes total internal reflection stead of passing through the glass.
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Quantitative Immunofluorescence to Measure Global Localized Translation
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Quantitative confocal microscopy: beyond a pretty picture.

James Jonkman1, Claire M Brown2, Richard W Cole3

  • 1Advanced Optical Microscopy Facility (AOMF), University Health Network, Toronto, Ontario, Canada.

Methods in Cell Biology
|June 30, 2014
PubMed
Summary
This summary is machine-generated.

Accurate quantitative confocal microscopy requires careful instrument operation, experimental design, and image processing. Regular performance testing ensures reliable data generation and prevents instrument downtime for high-quality imaging.

Keywords:
ConfocalControlsMorphologyPMTPerformance testingProtocolsQuantificationSpectral

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Area of Science:

  • Optical Microscopy
  • Confocal Laser-Scanning Microscopy
  • Quantitative Imaging

Background:

  • Quantitative optical microscopy is standard in research labs.
  • Confocal laser-scanning microscopes are widely used.
  • Generating accurate quantitative data requires rigorous methodology.

Purpose of the Study:

  • To emphasize the importance of accurate operation in quantitative microscopy.
  • To guide researchers in experimental design and data processing for quantitative confocal imaging.
  • To explore advanced quantitative imaging techniques and their controls.

Main Methods:

  • Implementing regular microscope performance testing.
  • Collecting images with maximal signal-to-noise ratio without data clipping.
  • Processing images to correct for background, crosstalk, and uneven illumination.

Main Results:

  • Consistent performance testing ensures data quality and tracks instrument health.
  • Proper image acquisition and processing minimize artifacts and enhance quantitative accuracy.
  • Advanced techniques require meticulous planning and appropriate controls for reliable results.

Conclusions:

  • Quantitative confocal microscopy demands a holistic approach, integrating instrument performance, experimental design, and data processing.
  • Adherence to best practices is crucial for generating trustworthy quantitative data.
  • This chapter provides a comprehensive guide to achieving reliable quantitative confocal imaging.