Three-dimensional monitoring of RBC sedimentation in external magnetic fields

Authors: Gholampour K, Moradi AR

Year: 2025 Jan 29

Category: Biophysics

Journal: Biomed Opt Express

DOI: 10.1364/BOE.545723

URL: https://pmc.ncbi.nlm.nih.gov/articles/PMC11828455/

Abstract

Overview

The prevalence of external magnetic fields generated by electronic devices around humans is increasing, necessitating comprehensive studies on their impact on living matter.

Methods

  • Experimental modeling of red blood cell (RBC) movement in veins subjected to an external magnetic field was conducted.
  • Researchers monitored sedimentation of multiple RBCs at various distances from a surrounding wall using three-dimensional (3D) digital holographic microscopy (DHM).
  • DHM enabled acquisition of 3D quantitative phase images of RBCs and tracking of 3D trajectories for several cells within the field of view.

Findings

  • Application of external magnetic fields facilitated sedimentation of RBCs.
  • This effect was most pronounced near the vessel walls.
  • The observed influence was attributed to magnetic field-sensitive materials present within RBCs.

Conclusion

This research directly links exposure to external magnetic fields with measurable changes in blood cell dynamics, suggesting a biological effect that warrants further investigation in the context of EMF safety and health risks.

electromagnetic fields RBC sedimentation digital holographic microscopy magnetic field exposure cell movement biomedical optics health effects
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