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Related Concept Videos

Phase Contrast and Differential Interference Contrast Microscopy01:26

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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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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.
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Related Experiment Video

Updated: Jul 3, 2025

Multimodal Quantitative Phase Imaging with Digital Holographic Microscopy Accurately Assesses Intestinal Inflammation and Epithelial Wound Healing
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Implementation of a portable diffraction phase microscope for digital histopathology.

Nurbolat Aimakov1, Eunjung Min2, Sungbea Ban1

  • 1Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea.

Journal of Biophotonics
|February 15, 2024
PubMed
Summary
This summary is machine-generated.

A portable diffraction phase microscopy (DPM) system offers unstained, quantitative phase imaging for histopathology. This compact DPM system provides comparable performance to benchtop systems and enables virtual staining via deep learning.

Keywords:
diffraction phase microscopyquantitative phase imagingvirtual staining

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Area of Science:

  • Biomedical optics
  • Digital pathology
  • Quantitative phase imaging

Background:

  • Quantitative phase imaging (QPI) offers label-free visualization of biological tissues, crucial for histopathology.
  • Developing compact and portable QPI systems enhances accessibility for diverse research applications.
  • Diffraction phase microscopy (DPM) is a QPI technique that captures phase shifts to visualize unstained biological structures.

Discussion:

  • The developed portable DPM system successfully acquired phase map images from various mouse organs using a low-NA objective lens.
  • Image analysis revealed that structures in portable DPM are comparable to conventional stained histology.
  • The system's performance was validated against a conventional benchtop DPM system, demonstrating comparable results.

Key Insights:

  • A portable DPM system provides high-quality, label-free imaging for histopathology.
  • The portable DPM system achieves performance comparable to established benchtop systems.
  • Deep learning can be applied to DPM images for virtual staining, enhancing digital pathology workflows.

Outlook:

  • Further development of portable DPM systems can increase accessibility in biological research and clinical diagnostics.
  • Integration of AI-powered virtual staining holds potential for streamlined histopathological analysis.
  • This technology could reduce the reliance on traditional staining methods, saving time and resources.