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Fluorescence endomicroscopy with structured illumination.

Nenad Bozinovic1, Cathie Ventalon, Tim Ford

  • 1Department of Biomedical Engineering, Boston University, 44 Cummington St., Boston, MA 02215, USA. nesa@bu.edu

Optics Express
|June 12, 2008
PubMed
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We developed a novel endomicroscope using structured illumination for high-resolution fluorescence imaging. This advanced tool effectively minimizes artifacts in thick tissues, showing promise for preclinical and clinical applications.

Area of Science:

  • Biomedical optics
  • Medical imaging technology
  • Gastrointestinal endoscopy

Background:

  • Endomicroscopy enables in vivo cellular visualization.
  • Structured illumination microscopy (SIM) offers high resolution.
  • Artifacts in thick tissue imaging limit current endomicroscopy.

Purpose of the Study:

  • To present a novel endomicroscope apparatus.
  • To achieve high-resolution, optically sectioned fluorescence images.
  • To suppress artifacts in thick tissue imaging.

Main Methods:

  • Developed an endomicroscope with a flexible fiber bundle and miniaturized objective.
  • Employed structured illumination for optical sectioning.
  • Implemented artifact suppression strategies for thick tissue imaging.

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Main Results:

  • Achieved approximately 2.6 micrometer resolution.
  • Obtained images over a 240 micrometer field of view.
  • Demonstrated artifact suppression in rat colonic mucosa imaging.

Conclusions:

  • The developed endomicroscope provides high-resolution imaging.
  • The artifact suppression strategy enhances imaging in thick tissues.
  • The apparatus shows potential for preclinical and clinical gastrointestinal applications.