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Imaging red blood cells with the atomic force microscope

P Zachée¹, J Snauwaert, P Vandenberghe

¹CRUH, Clinical Research Unit Haematology, Katholieke Universiteit Leuven, Belgium.

British Journal of Haematology

|December 1, 1996

Summary

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Atomic force microscopy (AFM) offers high-resolution imaging of red blood cell (RBC) surfaces. Glutaraldehyde-fixed RBCs provide superior ultramorphological detail compared to native cells for surface imaging.

Area of Science:

Biophysics
Cell Biology
Microscopy

Background:

Understanding red blood cell (RBC) surface morphology is crucial for diagnosing various hematological conditions.
Traditional microscopy techniques have limitations in resolving the fine surface details of RBCs.

Purpose of the Study:

To investigate a novel technique for high-resolution imaging of normal and pathological red blood cell (RBC) surfaces.
To evaluate the suitability of atomic force microscopy (AFM) for ultramorphological analysis of RBCs.

Main Methods:

Utilized atomic force microscopy (AFM) to capture high-resolution surface images of red blood cells (RBCs).
Compared ultramorphological data obtained from native RBCs in smears versus glutaraldehyde-fixed RBCs.

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Main Results:

AFM successfully generated detailed ultramorphological images of RBC surfaces.
Significant differences in RBC dimensions were observed between native and fixed cells.
Glutaraldehyde-fixed red blood cells demonstrated optimal suitability for detailed surface imaging.

Conclusions:

Atomic force microscopy (AFM) is a powerful tool for high-resolution red blood cell (RBC) surface imaging.
Glutaraldehyde fixation enhances the preservation of RBC surface structures for detailed ultramorphological analysis.