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Dynamic Light Scattering in Biomedical Applications: feature issue introduction.

Igor Meglinski1,2, Andrew Dunn3,4, Turgut Durduran5,6

  • 1College of Engineering and Physical Science, Aston University, Birmingham, B4 7ET, United Kingdom.

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Dynamic Light Scattering (DLS) and related biophotonics techniques offer non-invasive methods for exploring biological tissues. These advancements enable precise imaging of microcirculatory blood flow for disease detection and monitoring.

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Area of Science:

  • Biophotonics
  • Optical Biophysics
  • Biomedical Optics

Background:

  • Dynamic Light Scattering (DLS) and related techniques like LDF, DWS, and LSCI are crucial for non-invasive tissue exploration.
  • Microcirculatory blood flow dynamics are vital for understanding various physiological and pathological processes.
  • Advancements in biophotonics are expanding the capabilities of optical imaging in medicine.

Purpose of the Study:

  • To compile recent breakthroughs and technological advancements in DLS and related biophotonics methods for biomedical applications.
  • To highlight the application of these techniques in non-invasive exploration of biological tissues and microcirculatory blood flow.
  • To showcase innovations in optical imaging for disease detection, diagnosis, and monitoring.

Main Methods:

  • Dynamic Light Scattering (DLS)
  • Laser Doppler Flowmetry (LDF)
  • Diffusing Wave Spectroscopy (DWS)
  • Laser Speckle Contrast Imaging (LSCI)
  • Fluorescence Tomography
  • Machine Learning
  • Advanced Microscopy
  • Speckle Contrast Tomography
  • Convolutional Neural Networks

Main Results:

  • Development of a high-resolution speckle contrast tomography system for deep blood flow imaging.
  • A rapid estimation technique for real-time tissue perfusion imaging was introduced.
  • Convolutional neural networks demonstrated efficiency in blood flow mapping.
  • Studies explored skin strain effects, cerebral blood flow measurement sensitivity, and photobiomodulation for brain function.

Conclusions:

  • The featured issue showcases significant theoretical and experimental progress in DLS-based imaging.
  • These modalities are continually evolving for groundbreaking applications in disease detection, diagnosis, and monitoring.
  • This compilation represents a pivotal contribution to the field of biomedical optics and biophotonics.