Current Progress and Future Prospects in NMR Imaging
NMR is an indispensable analytical and structural tool in physics and many other disciplines. It has recently been applied to imaging by producing a series of thin cross-sections which map the density distribution of protons, especially those with considerable thermal motion, in cellular water and lipids. In this role, it has several advantages : it is non-invasive, does not use ionizing radiation and is without known hazard. Future prospects in NMR imaging will depend not only on the extent to which images of diagnostic quality can be obtained in reasonable short times, but, more importantly, on whether the whole range of NMR measurements and techniques can be applied to achieve a useful degree of tissue characterization and the measurement of blood flow in vivo.
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