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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...
Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
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...
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.
Electron Microscope Tomography and Single-particle Reconstruction01:07

Electron Microscope Tomography and Single-particle Reconstruction

Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...

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Substructure Analyzer: A User-Friendly Workflow for Rapid Exploration and Accurate Analysis of Cellular Bodies in Fluorescence Microscopy Images
14:28

Substructure Analyzer: A User-Friendly Workflow for Rapid Exploration and Accurate Analysis of Cellular Bodies in Fluorescence Microscopy Images

Published on: July 15, 2020

Software tools, data structures, and interfaces for microscope imaging.

Nico Stuurman, Jason R Swedlow

    Cold Spring Harbor Protocols
    |December 24, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Electronic photodetectors revolutionize biological imaging by enabling quantitative, multidimensional live-cell analysis. Software tools enhance image processing and data analysis, revealing new biological insights and future research directions.

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    A Machine-Vision Approach to Transmission Electron Microscopy Workflows, Results Analysis and Data Management

    Published on: June 23, 2023

    Area of Science:

    • Biological Imaging
    • Cell Biology
    • Developmental Biology

    Background:

    • Electronic photodetectors have transformed biological microscopy, enabling advanced live-cell and tissue imaging.
    • Their high photosensitivity allows multidimensional data acquisition (space, time, spectral range).
    • Digital photodetectors provide a linear mapping of photon flux, enabling quantitative image measurements.

    Purpose of the Study:

    • To review available software tools for image data analysis in biological microscopy.
    • To provide examples of their application in revealing biological mechanisms.
    • To highlight future directions and challenges in image analysis.

    Main Methods:

    • Review of current image processing and analysis software packages.
    • Examples of software application in biological imaging experiments.
    • Discussion of emerging trends and unmet challenges in image analysis.

    Main Results:

    • Availability of numerous software packages for quantitative image analysis.
    • Demonstration of software utility in uncovering molecular and structural dynamics.
    • Identification of key areas for future software development and research.

    Conclusions:

    • Quantitative image analysis is crucial for understanding biological processes.
    • Software tools are essential for extracting meaningful data from complex biological images.
    • Continued innovation in image analysis software will drive future biological discoveries.