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Direct magnetic separation of red cells from whole blood

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D. Melville, F. Paul, S. Roath · 1975

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Research confirms red blood cells can be magnetically separated, demonstrating our blood's inherent responsiveness to magnetic fields.

Plain English Summary

Summary written for general audiences

This 1975 research by Melville explored using magnetic fields to directly separate red blood cells from whole blood, investigating how hemoglobin's magnetic properties could enable blood cell isolation. The study examined magnetic separation techniques that could potentially be used for medical or research applications involving blood component analysis.

Why This Matters

This early research into magnetic blood separation reveals something crucial about human biology that's often overlooked in EMF discussions: our blood cells respond to magnetic fields. While this study focused on laboratory separation techniques, it demonstrates that the iron-rich hemoglobin in our red blood cells has inherent magnetic properties that external fields can influence.

What this means for you is that magnetic fields strong enough to move blood cells aren't just theoretical - they're measurable and practical. While the magnetic fields in this research were likely much stronger than typical household exposures, the principle remains: our blood contains magnetic materials that can interact with external electromagnetic fields. This biological reality adds important context to understanding how EMF exposure might affect our circulatory system and oxygen transport.

Figures from the Original Paper

Diagrams extracted from the original research document.

chartPage 1 - Figure 1 illustrates the haemoglobin concentration as a function of volume flowing through the magnetic separator.
p. 1 of the original PDF
chartPage 2 - Figure 1 displays haemoglobin concentration as a function of volume flowing through a magnetic separator.
p. 2 of the original PDF

Exposure Information

Specific exposure levels were not quantified in this study.

Study Details

To demonstrate the effectiveness of high gradient magnetic separation (HGMS) for separating red blood cells from whole blood.

In the present experiment a polyethylene cylinder of 60 ml capacity with inlet and outflow arrangeme...

Figure 1 shows the measured haemoglobin concentration of the effluent as a function of time througho...

The successful outcome of this preliminary experiment indicates that high gradient magnetic separators may be used to produce either blood plasma with a low red cell population, or a suspension of red cells free from other blood contents. It also suggests that other haemoproteins in suitable form may be separated in the same way. The application of this principle to specific research or clinical applications is of interest for further investigation.

Cite This Study
D. Melville, F. Paul, S. Roath (1975). Direct magnetic separation of red cells from whole blood.
Show BibTeX
@article{direct_magnetic_separation_of_red_cells_from_whole_blood_g3806,
  author = {D. Melville and F. Paul and S. Roath},
  title = {Direct magnetic separation of red cells from whole blood},
  year = {1975},
  
  
}
No DOI on file for this study.

Quick Questions About This Study

Yes, this 1975 research demonstrated that magnetic fields can directly separate red blood cells from whole blood. The iron-containing hemoglobin in red blood cells has magnetic properties that respond to external magnetic fields, making separation possible.
Red blood cells contain hemoglobin, an iron-rich protein that carries oxygen throughout your body. This iron content gives hemoglobin magnetic properties, allowing external magnetic fields to influence the movement and behavior of red blood cells.
While specific field strengths aren't detailed in the available information, magnetic blood separation typically requires fields much stronger than household EMF sources. However, the research confirms that human blood components do respond measurably to magnetic field exposure.
This research establishes that our blood has inherent magnetic properties that can interact with external fields. While everyday EMF exposures are typically much weaker than laboratory separation fields, the principle demonstrates our blood's potential responsiveness to electromagnetic environments.
The research aimed to develop techniques for isolating red blood cells from whole blood for medical and research applications. This separation method could enable more precise analysis of blood components and potentially improve blood processing procedures.