The Physics Of Magnetic Resonance Spectroscopy

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Magnetic resonance imaging, or MRI, is an applied form of Nuclear Magnetic Resonance spectroscopy (NMR). Utilizing the naturally occurring magnetic properties of water and hydrogen nuclei, composing between seventy to ninety percent of human tissue, to create detailed images of the human body. With recent technological advances, MRI has become widespread in the medical imaging community, with its function extending past radiology, into the realm of probing body chemistry in vivo, and analyzing brain function. (MRI textbook).
A Brief History of Medical Imagining and MRI:
The field of functional medical imaging, or radiology, first began to unravel after Roentgen discovered the existence of x-rays in 1895. Almost simultaneously, famous scientists, Becquerel and the Curies, discovered radioactivity and the radioactive properties of radium (1896). The coupling of these landmark eureka moments lead to the conception of nuclear medicine, and the initiation of a medical imaging revolution. Beginning with the most rudimentary imaging techniques, fluorescent screens and contrast media, radiology and related technology developments picked up momentum, yielding notable methods like computed tomography (CT), single photon emission tomography (SPET), and positron emission tomography (PET) scans within a short time span. However, it wasn’t until 1959, when Singer, a faculty at the University of California-Berkeley, proposed a novel concept implying that NMR can be applied to create a
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