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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: J Magn Reson Imaging. 2011 Sep 16;34(5):1192–1198. doi: 10.1002/jmri.22703

TABLE 1.

Particles’ radii and the corresponding product ωrτD.

Radius (nm) ω r τ D
Uncoated Coated Uncoated Coated
SEM 16.8 31.5 0.79 1.54
Relaxation 20.1 60.0 1.23 0.43