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Related Concept Videos

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...
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...
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,...
Immunofluorescence Microscopy01:12

Immunofluorescence Microscopy

A fluorescence microscope uses fluorescent chromophores called fluorochromes, which can absorb energy from a light source and then emit this energy as visible light. Fluorochromes include naturally fluorescent substances (such as chlorophylls) and fluorescent stains that are added to the specimen to create contrast. Dyes such as Texas red and FITC are examples of fluorochromes. Other examples include the nucleic acid dyes 4’,6’-diamidino-2-phenylindole (DAPI), and acridine orange.
The...

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Nanoscopic Imaging of Human Tissue Sections via Physical and Isotropic Expansion
09:11

Nanoscopic Imaging of Human Tissue Sections via Physical and Isotropic Expansion

Published on: September 25, 2019

Optical and digital microscopic imaging techniques and applications in pathology.

Xiaodong Chen1, Bin Zheng, Hong Liu

  • 1College of Precision Instruments, Tianjing University, China.

Analytical Cellular Pathology (Amsterdam)
|April 13, 2011
PubMed
Summary

Digital pathology enhances traditional microscopy with electronic detection and analysis for accurate cellular, molecular, and genetic imaging in clinical diagnosis. This review covers various microscopy types and their digital integration for future medical applications.

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Area of Science:

  • Pathology
  • Medical Imaging
  • Microscopy

Background:

  • Conventional optical microscopes are essential for pathological examinations.
  • Digital pathology integrates microscopy with electronic detection and computerized analysis.
  • This approach enhances efficiency and accuracy in cellular, molecular, and genetic imaging for clinical screening and diagnosis.

Purpose of the Study:

  • To review fundamental microscopic imaging concepts.
  • To introduce technical features and clinical applications of various microscopes.
  • To analyze recent developments and future perspectives in microscopic imaging for clinical potential.

Main Methods:

  • Review of optical, electron, scanning tunnel, and fluorescence microscopes.
  • Discussion of digital image acquisition methods in microscopy.
  • Analysis of 3D and in vivo imaging techniques.

Main Results:

  • Detailed overview of different microscopy types and their applications.
  • Exploration of the integration of digital image acquisition with microscopy.
  • Assessment of emerging techniques like 3D and in vivo imaging.

Conclusions:

  • Digital pathology represents a significant advancement over conventional microscopy.
  • Microscopic imaging techniques are evolving with digital integration for enhanced clinical utility.
  • Future developments in 3D and in vivo imaging hold substantial promise for medical diagnosis.