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Related Concept Videos

Super-resolution Fluorescence Microscopy01:37

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Updated: Jan 6, 2026

Simultaneous Multicolor Imaging of Biological Structures with Fluorescence Photoactivation Localization Microscopy
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High dynamic range fluorescence imaging.

Claudio Vinegoni1, Paolo Fumene Feruglio2, Ralph Weissleder1

  • 1Center for System Biology, Massachusetts General Hospital and Harvard Medical School, Richard B. Simches Research Center, 185 Cambridge Street, Boston 02114, USA.

IEEE Journal of Selected Topics in Quantum Electronics : a Publication of the IEEE Lasers and Electro-Optics Society
|October 11, 2019
PubMed
Summary
This summary is machine-generated.

High dynamic range fluorescence imaging overcomes limitations of current detectors, enabling better visualization of biological samples. This advanced technique captures subtle signals and saturated regions in a single acquisition for improved biological imaging.

Keywords:
Intravital microscopydrug imaginghigh dynamic rangein vivo imagingoptical imaging

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Area of Science:

  • Biophotonics
  • Molecular Imaging
  • Cellular Biology

Background:

  • Current fluorescence imaging techniques are limited by the dynamic range of photodetectors and CCDs.
  • This limitation causes signal saturation or loss in background noise for biological samples with fluctuating protein expression.
  • This results in significant information loss in biological images.

Purpose of the Study:

  • To extend conventional fluorescence imaging to high dynamic range (HDR) fluorescence imaging.
  • To summarize recent advancements in HDR fluorescence imaging from our group and others.
  • To highlight the biological applications of HDR fluorescence imaging.

Main Methods:

  • Development and application of strategies to extend conventional fluorescence imaging capabilities.
  • Utilizing advanced imaging techniques to capture a wider range of fluorescence intensities.
  • Image processing and display methods for high dynamic range data.

Main Results:

  • Successful extension of fluorescence imaging to achieve high dynamic range.
  • Demonstration of capturing both saturated and low-intensity signals in a single acquisition.
  • Overcoming the limitations of conventional imaging for biological samples.

Conclusions:

  • High dynamic range fluorescence imaging is crucial for accurate visualization of biological processes.
  • The developed strategies offer significant improvements over conventional methods.
  • HDR fluorescence imaging has broad applications in neuroscience, vascular imaging, and drug development.