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Related Concept Videos

Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

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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
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Multimodal Optical Imaging Platform for Studying Cellular Metabolism
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Multiscale multimodal imaging with multiphoton microscopy and optical coherence tomography.

Shuo Tang1, Yifeng Zhou, Kenny K H Chan

  • 1Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, BC, Canada. tang@ece.ubc.ca

Optics Letters
|December 20, 2011
PubMed
Summary

A new multiscale microscopy system combines optical coherence tomography (OCT) and multiphoton microscopy (MPM) for detailed tissue imaging. This integrated approach enables rapid scanning and high-resolution zoom-in for disease diagnosis.

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Area of Science:

  • Biomedical optics
  • Microscopy
  • Medical imaging

Background:

  • Multiscale imaging is crucial for understanding tissue architecture.
  • Combining OCT and MPM offers complementary structural and functional information.
  • Existing systems may lack integrated multiscale capabilities.

Purpose of the Study:

  • To develop and demonstrate a novel multiscale multiphoton microscopy (MPM) and optical coherence tomography (OCT) system.
  • To enable simultaneous cross-sectional and high-resolution en-face imaging from the same sample location.
  • To showcase the system's potential for rapid screening and detailed diagnosis.

Main Methods:

  • A sub-10 fs Ti:sapphire laser was used to build the integrated MPM/OCT system.
  • The system was optimized for cross-sectional OCT imaging over a millimeter field-of-view.
  • En-face high-resolution MPM imaging with submicrometer resolution was achieved.

Main Results:

  • The system successfully performed cross-sectional imaging of fish cornea tissue layers using OCT.
  • High-resolution MPM imaging revealed cellular and collagen fiber details within each layer.
  • Demonstrated simultaneous multiscale imaging from identical sample points.

Conclusions:

  • The developed multiscale MPM/OCT system provides a powerful tool for biological and medical imaging.
  • The system's capability for rapid coarse scanning and subsequent fine zoom-in imaging is valuable for diagnosis.
  • This integrated approach holds significant potential for disease detection and research.