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Related Concept Videos

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,...
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...
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.
Overview of Microscopy Techniques01:22

Overview of Microscopy Techniques

The early pioneers of microscopy opened a window into the invisible world of microorganisms. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes that leveraged nonvisible light, such as fluorescence microscopy that uses an ultraviolet light source and electron microscopy that uses short-wavelength electron beams. These advances significantly improved magnification, image resolution, and contrast. By comparison, the...
Two-Dimensional Microscopy in Microbiology01:29

Two-Dimensional Microscopy in Microbiology

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...
Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...

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Updated: Jun 4, 2026

Video-rate Scanning Confocal Microscopy and Microendoscopy
14:10

Video-rate Scanning Confocal Microscopy and Microendoscopy

Published on: October 20, 2011

Confocal microscopy: principles and practice.

Alan Fine

    CSH Protocols
    |March 2, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Confocal microscopy offers high-resolution fluorescence imaging for biological research. It utilizes fluorescent probes to visualize cellular structures and functions in living tissues.

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    Last Updated: Jun 4, 2026

    Video-rate Scanning Confocal Microscopy and Microendoscopy
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    Near Simultaneous Laser Scanning Confocal and Atomic Force Microscopy (Conpokal) on Live Cells
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    07:42

    Super-Resolution Imaging and Shared Management: A Protocol for Confocal Microscopy with Multiplex Detection

    Published on: February 24, 2026

    Area of Science:

    • Biophysics
    • Cell Biology
    • Neuroscience

    Background:

    • Confocal microscopy is a key technology for high-resolution fluorescence imaging in biological research.
    • Fluorescent probes, including antibodies, dyes, and Green Fluorescent Protein (GFP), are essential for molecular localization and visualization.
    • Its application is crucial for studying dynamic biological processes at the cellular and subcellular levels.

    Purpose of the Study:

    • To outline the fundamental principles of confocal microscopy.
    • To discuss practical considerations for implementing confocal microscopy.
    • To explore its application in visualizing rapid, small-scale phenomena in living tissues.

    Main Methods:

    • Principles of laser scanning confocal microscopy.
    • Use of various fluorescent probes (dyes, antibodies, GFP).
    • Techniques for imaging dynamic events in living cells and tissues.

    Main Results:

    • Detailed explanation of how confocal microscopy achieves optical sectioning and high resolution.
    • Demonstration of diverse applications using fluorescent probes for molecular and cellular studies.
    • Highlighting the utility for observing fast biological processes in vivo.

    Conclusions:

    • Confocal microscopy is indispensable for modern biological research, enabling detailed visualization of cellular components and functions.
    • The effective use of fluorescent probes is critical for maximizing the potential of confocal microscopy.
    • This technique is particularly powerful for studying dynamic biological phenomena in living systems.