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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.
Three-Dimensional Microscopy in Microbiology01:28

Three-Dimensional Microscopy in Microbiology

Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...
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Confocal Fluorescence Microscopy

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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Three-dimensional Imaging of Bacterial Cells for Accurate Cellular Representations and Precise Protein Localization
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Published on: October 29, 2019

Fluorescent stereo microscopy for 3D surface profilometry and deformation mapping.

Zhenxing Hu1, Huiyang Luo, Yingjie Du

  • 1Department of Mechanical Engineering, 800 W Campbell Rd, the University of Texas at Dallas, Richardson, TX 75252, USA.

Optics Express
|June 6, 2013
PubMed
Summary
This summary is machine-generated.

A new 3D fluorescent microscopy method enables real-time surface measurements for biofilms and cellular tissues. This technique precisely tracks microparticle movement to map topography and deformation, advancing mechanobiology research.

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Area of Science:

  • Mechanobiology
  • Biophysics
  • Microscopy

Background:

  • Understanding biofilm and cellular tissue growth requires real-time surface topography and deformation measurements.
  • Current methods may lack the precision or real-time capabilities needed for dynamic biological systems.

Purpose of the Study:

  • To develop a novel 3D fluorescent microscopic method for non-contact, full-field, real-time surface profilometry and deformation measurements.
  • To demonstrate the technique's efficacy on biofilm topography and growth-induced deformation.

Main Methods:

  • Utilizing a binocular fluorescent microscope with two cameras to capture micrographs from different angles.
  • Employing digital image correlation to match fluorescent microparticles in paired images.
  • Reconstructing 3D surface topography and calculating deformation by comparing images of undeformed and deformed states.

Main Results:

  • Successfully demonstrated 3D surface topography measurement of a biofilm.
  • Quantified surface deformation of a biofilm during its growth phase.
  • The method avoids specular reflection artifacts by using 3D imaging of fluorescent microparticles.

Conclusions:

  • The developed 3D fluorescent microscopic technique provides accurate, real-time surface profilometry and deformation analysis at the microscale.
  • This method is suitable for investigating dynamic processes in biofilms and cellular tissues, contributing to mechanobiology.
  • The technique offers a non-contact, full-field approach for microscale material and structural analysis.