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Different fluorescence-based techniques are used to study the protein dynamics in living cells. These techniques include FRAP, FRET, and PET.
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A Multimodal Imaging Framework to Advance Phenotyping of Living Label-free Breast Cancer Cells
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Red blood cell Raman microscopy: modelling sub-cellular biochemistry.

Victor V Volkov1, Joanna Aizenberg2, Carole C Perry1

  • 1Interdisciplinary Biomedical Research Centre, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham, NG11 8NS, UK. Carole.Perry@ntu.ac.uk.

Physical Chemistry Chemical Physics : PCCP
|May 27, 2025
PubMed
Summary
This summary is machine-generated.

This study introduces a quantitative Raman microscopy method for analyzing red blood cell (RBC) biochemistry. The approach models cellular deformations and enables rapid imaging of hemoglobin distributions for insights into oxygen transport and oxidative stress.

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Area of Science:

  • Biophysics
  • Cell Biology
  • Spectroscopy

Background:

  • Erythrocyte (red blood cell) biochemistry is crucial for understanding oxygen transport and oxidative stress.
  • Sub-cellular analysis of erythrocytes requires advanced imaging techniques.

Purpose of the Study:

  • To develop a quantitative Raman microscopy approach for sub-cellular analysis of erythrocyte biochemistry.
  • To model Raman microscopy images considering cellular deformations and molecular distributions.

Main Methods:

  • Review of Raman tensor theory and derivation of expressions for Raman responses.
  • Development of a "counted per rotation" fast imaging protocol for membrane components.
  • Modeling of sub-cellular distributions of oxy-, deoxy-, and methaemoglobins.

Main Results:

  • A quantitative Raman microscopy approach was developed for sub-cellular erythrocyte analysis.
  • The method accounts for cellular envelope deformations and enables rapid imaging.
  • Sub-cellular distributions of key hemoglobins were analyzed in the context of cellular functions.

Conclusions:

  • The developed Raman microscopy approach offers a powerful tool for studying erythrocyte biochemistry at the sub-cellular level.
  • This technique has potential applications in membrane studies and can be combined with other microscopy methods for diagnostics.