Diffusion and perfusion in high resolution NMR imaging and microscopy.
Diffusion and perfusion phenomena under strong gradient fields (approximately 100 G/cm) are examined in high resolution nuclear magnetic resonance (NMR) imaging and microscopy, where diffusion-associated signal attenuation predominates over T1 and T2 relaxation decays. Image contrast based on the diffusion and microcirculation is discussed with experimental results obtained with a 7.0-T microscopy system. Ultimate resolution limit due to diffusion is investigated in high resolution NMR imaging and microscopy.
Ahn
C B
CB
Department of Radiological Sciences, University of California, Irvine 92717.
Cho
Z H
ZH
D004058:Diffusion; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008833:Microcirculation / Q000502:physiology*; D010477:Perfusion; D014018:Tissue Distribution