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Related Concept Videos

Flow Cytometry01:23

Flow Cytometry

12.9K
The development of flow cytometry techniques began in 1934 with initial attempts by Andrew Moldavan, a bacteriologist who counted the cells in a flowing capillary system. Moldavan pumped cells through a capillary tube focused under a microscope for visualization. The invention of photometry allowed the measurement of differentially-stained cells, and Louis Kamentsky developed the first multiparameter flow cytometer in 1965 to identify and count the cancer cells in cervical tissue specimens.
In...
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Raman Spectroscopy Instrumentation: Overview01:26

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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...
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Related Experiment Video

Updated: Jun 27, 2025

Quality-Controlled Sputum Analysis by Flow Cytometry
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Raman Flow Cytometry and Its Biomedical Applications.

Jiayang Xu1,2, Hongyi Chen3,4, Ce Wang3

  • 1Zhejiang University-University of Edinburgh Institute, Zhejiang University, Hangzhou 310058, China.

Biosensors
|April 26, 2024
PubMed
Summary

Raman flow cytometry (RFC) offers label-free cell analysis by combining Raman spectroscopy and flow cytometry. This advanced technique provides a detailed chemical fingerprint for applications in cancer detection, stem cell sorting, and microbial differentiation.

Keywords:
Raman flow cytometry (RFC)biomedical applicationcell sortingcellular analysishigh-throughputlabel-free

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Area of Science:

  • Biomedical Engineering
  • Analytical Chemistry
  • Cell Biology

Background:

  • Traditional flow cytometry (FCM) relies on fluorescent labels, which can interfere with natural cell states.
  • There is a need for label-free, high-throughput methods for comprehensive cell characterization.

Purpose of the Study:

  • To review the principles, advantages, and applications of Raman flow cytometry (RFC).
  • To highlight RFC's potential in various biomedical fields and discuss future directions.

Main Methods:

  • Integration of Raman spectroscopy's label-free chemical fingerprinting with the high-throughput capabilities of FCM.
  • Detailed discussion of RFC's technological advancements and comparative advantages over conventional FCM.

Main Results:

  • RFC eliminates the need for fluorescent labels, preserving natural cell states.
  • RFC provides enhanced detection information, creating a comprehensive chemical fingerprint of cells.
  • RFC demonstrates diverse applications including cancer cell identification, stem cell sorting, and microbial differentiation.

Conclusions:

  • RFC represents a significant advancement in label-free cell analysis, offering superior characterization and sorting capabilities.
  • RFC has broad implications for in vivo diagnostics, cell therapy, and microbial metabolomics.
  • Future research should focus on enhancing RFC's sensitivity and throughput for wider adoption.