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Updated: Mar 22, 2026

Non-contact, Label-free Monitoring of Cells and Extracellular Matrix using Raman Spectroscopy
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High-speed Raman imaging of cellular processes.

Jun Ando1, Almar F Palonpon2, Mikiko Sodeoka3

  • 1Department of Applied Physics, Osaka University, Suita, Osaka, Japan; AMED-CREST, AMED, Japan.

Current Opinion in Chemical Biology
|April 24, 2016
PubMed
Summary

High-speed Raman microscopy enables label-free molecular imaging in live cells. Recent advances in hyperspectral imaging and Raman tags allow observation of cellular processes and bioactive molecules.

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Area of Science:

  • Biophysics
  • Cell Biology
  • Spectroscopy

Background:

  • Label-free molecular imaging is crucial for understanding cellular dynamics.
  • Traditional Raman microscopy faced limitations in imaging speed.
  • Advancements in parallel spectral acquisition have accelerated Raman imaging.

Purpose of the Study:

  • To review recent progress in high-speed hyperspectral Raman imaging.
  • To highlight applications in observing live cell biological processes.
  • To discuss developments in Raman tags for specific molecular detection.

Main Methods:

  • Review of high-speed hyperspectral Raman imaging techniques.
  • Analysis of parallel Raman spectral acquisition methods.
  • Examination of novel Raman tag development and applications.

Main Results:

  • Significant improvements in Raman microscopy imaging speed have been achieved.
  • High-speed Raman imaging successfully visualizes cell mitosis, apoptosis, and differentiation.
  • Development of Raman tags enables specific detection of bioactive small molecules and organelles.

Conclusions:

  • High-speed Raman microscopy is a powerful tool for label-free live-cell imaging.
  • This technique facilitates the study of complex biological processes at the molecular level.
  • Advancements in Raman tags expand capabilities for targeted molecular observation in biological systems.