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Related Concept Videos

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...
Confocal Fluorescence Microscopy01:16

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,...
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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Related Experiment Video

Updated: Jun 12, 2026

Three-dimensional Imaging of Bacterial Cells for Accurate Cellular Representations and Precise Protein Localization
06:33

Three-dimensional Imaging of Bacterial Cells for Accurate Cellular Representations and Precise Protein Localization

Published on: October 29, 2019

Confocal imaging for 3-D digital microscopy.

K Carlsson, N Aslund

    Applied Optics
    |May 22, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a non-destructive 3-D microscopy technique using confocal laser scanning and digital image processing. The method offers a faster, easier alternative to traditional techniques like microtome sectioning, leaving specimens intact.

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    Last Updated: Jun 12, 2026

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

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    Correlative Confocal and 3D Electron Microscopy of a Specific Sensory Cell
    08:00

    Correlative Confocal and 3D Electron Microscopy of a Specific Sensory Cell

    Published on: July 19, 2015

    Area of Science:

    • Biophysics
    • Microscopy
    • Optical Imaging

    Background:

    • Traditional 3-D microscopy methods, such as microtome sectioning, are destructive and time-consuming.
    • Confocal laser scanning microscopy offers depth-discriminating capabilities.
    • Digital image processing is crucial for reconstructing 3-D data.

    Purpose of the Study:

    • To develop and assess a novel 3-D microscopy technique.
    • To combine optical serial sectioning with digital image processing for enhanced 3-D reconstruction.
    • To evaluate the feasibility of this method for fluorescence microscopy applications.

    Main Methods:

    • Utilizing the depth-discriminating ability of confocal laser scanning microscopy.
    • Implementing digital image processing for 3-D data analysis and reconstruction.
    • Designing and testing a dedicated instrument for optical serial sectioning.

    Main Results:

    • Demonstrated a fast and user-friendly 3-D microscopy approach.
    • Showcased the non-destructive nature of the technique, preserving specimen integrity.
    • Confirmed the method's utility and feasibility in fluorescence microscopy.

    Conclusions:

    • Optical serial sectioning combined with digital image processing provides an effective, non-damaging 3-D microscopy solution.
    • This technique offers significant advantages over traditional destructive methods.
    • The developed instrument and method are suitable for advanced fluorescence imaging.