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Related Concept Videos

Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...

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Related Experiment Video

Updated: May 31, 2026

Preparing Porcine Eyes for Confocal Reflectance Microscopy to Visualize the Vitreous Collagen Fiber Network
06:07

Preparing Porcine Eyes for Confocal Reflectance Microscopy to Visualize the Vitreous Collagen Fiber Network

Published on: October 17, 2025

On-glass Interference Confocal Reflectance Microscopy for Collagen Fibril Diameter Measurement.

Eric P Hall1, Jeffrey Ruberti1, Charles A DiMarzio1

  • 1Northeastern University, 360 Huntington Avenue, Boston, Massachusetts.

Proceedings of Spie--The International Society for Optical Engineering
|May 29, 2026
PubMed
Summary
This summary is machine-generated.

Interference confocal reflectance microscopy (I-CRM) quantifies collagen fibrils below 50nm on glass. This method offers an alternative to atomic force microscopy for studying early-stage collagen fibril development.

Keywords:
Collagenatomic force microscopyconfocalfibrilsinterferencereflectance

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Area of Science:

  • Biophysics
  • Materials Science
  • Biochemistry

Background:

  • Collagen fibril diameter is crucial for understanding tissue development and disease.
  • Previous methods like atomic force microscopy face challenges when imaging collagen on glass substrates.
  • Studying collagen on glass is vital for observing early-stage fibril formation.

Purpose of the Study:

  • To present interference confocal reflectance microscopy (I-CRM) as a viable method for quantifying collagen fibril diameters on glass.
  • To establish I-CRM as an alternative to atomic force microscopy for sub-50nm collagen fibril analysis.
  • To enable detailed observation of early-stage collagen fibril development.

Main Methods:

  • Utilizing interference confocal reflectance microscopy (I-CRM) for imaging.
  • Quantifying collagen fibril diameters on glass substrates.
  • Comparing I-CRM performance with atomic force microscopy for sub-50nm fibrils.

Main Results:

  • I-CRM successfully measured collagen fibril diameters below 50nm on glass.
  • Demonstrated I-CRM as a practical alternative to atomic force microscopy in this context.
  • Provided high-resolution imaging of collagen fibrils during early development stages.

Conclusions:

  • Interference confocal reflectance microscopy (I-CRM) is effective for quantifying small collagen fibrils on glass.
  • This technique advances the study of collagen fibrillogenesis and related biophysical processes.
  • I-CRM offers a valuable tool for materials science and biomedical research involving collagen.