MadSci Network: Medicine

Re: What are the magnetic properties of blood?

Date: Fri Dec 22 11:47:59 2000
Posted By: william bray, Staff, chemistry, merck research laboratories
Area of science: Medicine
ID: 976913805.Me

Non oxygen bound hemoglobin has magnetic properties - and has a slight 
dipole moment.  Oxygen bound hemoglobin does not.  A diagnostic technique 
of MRI called functional MRI relies on this change of properties to 
diagnose an interesting assortment of conditions.

Functional Magnetic Resonance Imageing:  (fMRI)

Skeptical Inquirer:

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