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Related Concept Videos

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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Different fluorescence-based techniques are used to study the protein dynamics in living cells. These techniques include FRAP, FRET, and PET.
Fluorescent recovery after photobleaching (FRAP) is a fluorescent-protein-based detection technique used to quantify protein movement rates within the cell. This method exposes a small portion of the cell to an intense laser beam. The laser beam causes permanent photobleaching of the fluorophore-tagged proteins in the exposed region. As the bleached...
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Three-Dimensional Microscopy in Microbiology01:28

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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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Two-Dimensional Microscopy in Microbiology01:29

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Two-dimensional (2D) microscopy encompasses a range of optical techniques that capture images within a single focal plane, offering detailed representations of microscopic structures. These techniques are essential in biological and medical research, enabling the visualization of cellular and subcellular structures with different levels of contrast and specificity.There are several major types of 2D microscopy, each with strengths and applications.Bright-Field MicroscopyBright-field microscopy...
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Confocal Fluorescence Microscopy01:16

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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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Related Experiment Video

Updated: Aug 8, 2025

Super-Resolution Live Cell Imaging of Subcellular Structures
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Super-Resolution Live Cell Imaging of Subcellular Structures

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[Frontiers and development in live-cell super-resolution fluorescence microscopy].

Yufei Cheng1, Wei Li2, Tingting Jin3

  • 1Core Facilities, West China Hospital of Sichuan University, Chengdu 610041, P. R. China.

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi = Journal of Biomedical Engineering = Shengwu Yixue Gongchengxue Zazhi
|February 28, 2023
PubMed
Summary
This summary is machine-generated.

Live-cell super-resolution microscopy advances rapidly, focusing on structured illumination, stimulated emission depletion, and minimal photon fluxes techniques. Future progress hinges on AI and improved fluorescent probes for enhanced live-cell imaging.

Keywords:
Live-cellMinimal photon fluxesStimulated emission depletion microscopyStructured illumination microscopySuper-resolution 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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Area of Science:

  • Biophysics
  • Cell Biology
  • Microscopy

Background:

  • Live-cell imaging requires high resolution to observe dynamic cellular processes.
  • Conventional microscopy techniques often lack the resolution needed for detailed subcellular structure visualization.
  • Super-resolution fluorescence microscopy offers a powerful solution for overcoming the diffraction limit.

Conclusions:

  • The field is advancing rapidly, with key techniques driving innovation.
  • Future development trends are expected to be influenced by artificial intelligence.
  • Advances in fluorescent probes and labeling methods will further enhance capabilities.