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Nonlinear optical microscopy in decoding arterial diseases.

Alex C-T Ko1, Andrew Ridsdale2, Leila B Mostaço-Guidolin3

  • 1National Research Council Canada, Institute for Biodiagnostics, 435 Ellice Avenue, Winnipeg, Manitoba, Canada, R3B 1Y6. alex.ko@nrc-cnrc.gc.ca.

Biophysical Reviews
|May 17, 2017
PubMed
Summary
This summary is machine-generated.

Nonlinear optical microscopy (NLOM) offers label-free, rapid 3D imaging for visualizing arterial disease pathology. This advanced technique minimizes sample disruption, enhancing understanding of atherosclerosis progression in bulk tissue.

Keywords:
ArteryAtherosclerosisCoherent anti-Stokes RamanNonlinear optical microscopySecond-harmonic generationTwo-photon excited fluorescence

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Area of Science:

  • Biomedical optics
  • Pathology
  • Materials science

Background:

  • Arterial disease understanding relies on conventional histology.
  • Conventional methods require extensive tissue preparation and staining.
  • Atherosclerosis involves extracellular matrix pathological changes.

Purpose of the Study:

  • To review recent advancements in nonlinear optical microscopy (NLOM) for arterial disease imaging.
  • To highlight NLOM's potential in studying atherosclerosis progression.
  • To showcase label-free imaging capabilities for minimally perturbed tissue analysis.

Main Methods:

  • Review of nonlinear optical microscopy techniques: second-harmonic generation, two-photon excited fluorescence, and coherent Raman scattering.
  • Focus on label-free, three-dimensional imaging of bulk artery tissue.
  • Analysis of applications in visualizing extracellular matrix changes.

Main Results:

  • NLOM techniques provide rapid, high-resolution 3D imaging of arterial tissue.
  • Label-free imaging allows direct visualization of pathological changes without staining.
  • NLOM minimizes sample perturbation, preserving native tissue architecture for study.

Conclusions:

  • NLOM represents a significant advancement for pathological imaging of arterial diseases.
  • These techniques offer a powerful, minimally invasive approach to study atherosclerosis.
  • Future research can leverage NLOM for deeper insights into vascular diseases.