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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...
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...
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: May 23, 2026

Determining 3D Flow Fields via Multi-camera Light Field Imaging
14:25

Determining 3D Flow Fields via Multi-camera Light Field Imaging

Published on: March 6, 2013

Three-dimensional differential interference contrast microscopy using synthetic aperture imaging.

Moonseok Kim1, Youngwoon Choi, Christopher Fang-Yen

  • 1Korea University, Department of Physics, Seoul 136-701, Republic of Korea.

Journal of Biomedical Optics
|April 3, 2012
PubMed
Summary
This summary is machine-generated.

We developed a high-speed imaging method for high-contrast 3D microscopy of live cells. This technique enhances imaging capabilities for observing intracellular particle dynamics.

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Related Experiment Videos

Last Updated: May 23, 2026

Determining 3D Flow Fields via Multi-camera Light Field Imaging
14:25

Determining 3D Flow Fields via Multi-camera Light Field Imaging

Published on: March 6, 2013

Phase Contrast and Differential Interference Contrast (DIC) Microscopy
06:49

Phase Contrast and Differential Interference Contrast (DIC) Microscopy

Published on: August 6, 2008

Super-resolution Imaging of the Cytokinetic Z Ring in Live Bacteria Using Fast 3D-Structured Illumination Microscopy (f3D-SIM)
12:44

Super-resolution Imaging of the Cytokinetic Z Ring in Live Bacteria Using Fast 3D-Structured Illumination Microscopy (f3D-SIM)

Published on: September 29, 2014

Area of Science:

  • Biophysics
  • Optical Microscopy
  • Cell Biology

Background:

  • Differential interference contrast (DIC) microscopy provides high contrast for transparent specimens.
  • Traditional DIC microscopy has limitations in resolution and 3D imaging capabilities.

Purpose of the Study:

  • To develop an advanced DIC microscopy technique for high-resolution, high-contrast 3D imaging of live biological cells.
  • To enable non-invasive monitoring of intracellular particle dynamics in three dimensions.

Main Methods:

  • Implementation of high-speed synthetic aperture imaging to expand the coherent imaging passband by 2.2x.
  • Numerical post-processing of aperture-synthesized coherent images to achieve arbitrary shearing direction and bias retardation for DIC.
  • Numerical propagation of acquired coherent images for depth-resolved imaging without a scanning objective lens.

Main Results:

  • Achieved high-contrast DIC images with arbitrary shearing and retardation.
  • Obtained depth-resolved images without mechanical scanning.
  • Demonstrated high-resolution and high-contrast 3D DIC imaging of live biological cells.

Conclusions:

  • The proposed method significantly enhances DIC microscopy for 3D imaging of live cells.
  • This technique is valuable for studying the 3D dynamics of intracellular particles.
  • Offers a powerful tool for live-cell imaging and biological research.