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Related Concept Videos

Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

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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.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
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Related Experiment Video

Updated: Sep 24, 2025

Rapid Optical Clearing for Semi-High-Throughput Analysis of Tumor Spheroids
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Optimized single-step optical clearing solution for 3D volume imaging of biological structures.

Kitae Kim1, Myeongsu Na1, Kyoungjoon Oh1

  • 1Department of Physiology and Biomedical Sciences, Seoul National University College of Medicine, Seoul, 03080, South Korea.

Communications Biology
|May 9, 2022
PubMed
Summary

OptiMuS is a novel, single-step optical clearing solution that enhances 3D imaging of biological tissues. It offers superior transparency, speed, and structural integrity compared to existing methods.

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Area of Science:

  • Biomedical Engineering
  • Microscopy
  • Tissue Clearing

Background:

  • Existing optical clearing methods for 3D biological imaging have limitations including poor transparency, long processing times, and tissue deformation.
  • A need exists for a versatile, efficient, and reliable method for high-resolution 3D imaging of intact biological structures.

Purpose of the Study:

  • To develop and validate OptiMuS, an optimized single-step optical clearing solution.
  • To overcome the limitations of current clearing techniques and provide enhanced performance for 3D volume imaging.

Main Methods:

  • Development of a novel aqueous-based clearing solution, OptiMuS.
  • Testing OptiMuS on various intact organs (brain, kidney, spleen, intestine).
  • Evaluation of transparency, clearing rate, size retention, and preservation of fluorescent signals.

Main Results:

  • OptiMuS achieves rapid and high tissue transparency with minimal size changes and fluorescence quenching.
  • The solution is compatible with lipophilic dyes, enabling visualization of vascular structures.
  • Successful application in 3D quantitative analysis of vascular structures in normal and diseased kidneys.

Conclusions:

  • OptiMuS provides a simple, fast, and versatile single-step solution for optical clearing.
  • It enables high-quality 3D imaging of diverse biological structures with minimal structural distortion.
  • OptiMuS is widely applicable for advanced biological research requiring detailed 3D visualization.