Chasing shadows: What determines DTI metrics in gray matter regions? An in vitro and in vivo study

Abstract excerpt

PURPOSE: To characterize the relationship between superparamagnetic ferritin-bound iron and diffusion tensor scalars in vitro, and validate the results in vivo. MATERIALS AND METHODS: The in vitro model consisted of a series of 40-mL 1.1% agarose gels doped with ferritin covering and exceeding those concentrations normally found within healthy human gray matter. Additionally, regions of interest were placed in...

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