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Quantitative Analysis of Viscoelastic Properties of Red Blood Cells Using Optical Tweezers and Defocusing Microscopy
JoVE Journal
Biologia
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JoVE Journal Biologia
Quantitative Analysis of Viscoelastic Properties of Red Blood Cells Using Optical Tweezers and Defocusing Microscopy
DOI:

08:03 min

March 25, 2022

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Capítulos

  • 00:04Introduction
  • 00:43Preparation of Sample Holders and Cell Cultures
  • 01:30OT‐Based Rheology Experiment and Analysis
  • 03:12Video and Contrast Image Acquisition
  • 05:40Soft Glassy Rheology Model and Experimental Analysis
  • 07:03Results: Characterizing RBC Surface from Values of K’ (ω), K” (ω), G’, and G”
  • 07:30Conclusion

Summary

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Here, an integrated protocol based on optical tweezers and defocusing microscopy is described to measure the rheological properties of cells. This protocol has wide applicability in studying the viscoelastic properties of erythrocytes under variable physio-pathological conditions.

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