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Related Concept Videos

Raman Spectroscopy: Overview01:20

Raman Spectroscopy: Overview

309
The underlying principle of Raman spectroscopy is based on the interaction between light and matter, specifically molecules' inelastic scattering of photons. When a monochromatic beam of light, typically from a laser source, interacts with a sample, most scattered light has the same frequency as the incident light. This is known as Rayleigh scattering.
However, a small fraction of the scattered light exhibits a frequency shift due to the exchange of energy between the incident photons and...
309
Raman Spectroscopy Instrumentation: Overview01:26

Raman Spectroscopy Instrumentation: Overview

296
A conventional Raman spectrophotometer includes a laser source, a sample holding system, a wavelength selector, and a detector.
The monochromatic laser source, typically using visible or near-infrared radiation, generates a highly focused beam of light. This light interacts with the molecules of the sample, scattering some of the light. Liquid and gaseous samples are usually tested in ordinary glass capillaries, while solids can be analyzed as powders packed in capillaries or as potassium...
296
Protein Dynamics in Living Cells01:19

Protein Dynamics in Living Cells

2.1K
Different fluorescence-based techniques are used to study the protein dynamics in living cells. These techniques include FRAP, FRET, and PET.
Fluorescent recovery after photobleaching (FRAP) is a fluorescent-protein-based detection technique used to quantify protein movement rates within the cell. This method exposes a small portion of the cell to an intense laser beam. The laser beam causes permanent photobleaching of the fluorophore-tagged proteins in the exposed region. As the bleached...
2.1K

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Related Experiment Video

Updated: Jun 6, 2025

An Integrated Raman Spectroscopy and Mass Spectrometry Platform to Study Single-Cell Drug Uptake, Metabolism, and Effects
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Raman spectroscopy for cell analysis: Retrospect and prospect.

Wenjing Xu1, Wei Zhu1, Yukang Xia1

  • 1School of Chemistry and Chemical Engineering, School of Bioengineering and Health, Wuhan Textile University, Wuhan, 430200, China.

Talanta
|December 1, 2024
PubMed
Summary

Raman spectroscopy offers a non-destructive way to analyze cells, identifying them and monitoring biomolecules. Novel triple-bond Raman tags improve imaging by reducing background noise.

Keywords:
Cell analysisCell imagingDirect detectionIndirect detectionRaman spectroscopy

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Area of Science:

  • Biomedical Research
  • Cellular Analysis
  • Spectroscopy

Background:

  • Cell analysis is vital for understanding life processes and improving disease diagnosis and treatment.
  • Raman spectroscopy is a non-destructive technique utilizing molecular vibrational data for cell analysis.

Purpose of the Study:

  • To review the advancements of Raman spectroscopy in cellular analysis.
  • To highlight its applications in cell identification, biomolecule monitoring, and intracellular environment assessment.

Main Methods:

  • Surveying existing literature on Raman spectroscopy in cell analysis.
  • Focusing on the use of triple-bond molecules as Raman tags for enhanced imaging.

Main Results:

  • Raman spectroscopy effectively identifies individual cells and monitors biomolecules.
  • Triple-bond Raman tags provide a distinct signal with minimal background noise, improving imaging.
  • The technique allows for assessment of intracellular environments.

Conclusions:

  • Raman spectroscopy is a powerful tool for cellular analysis in biomedical research.
  • The development of novel Raman tags, such as triple-bond molecules, significantly enhances imaging capabilities.
  • Future applications of Raman spectroscopy in cell analysis are promising.