Nuclear magnetic resonance

Nuclear magentic resonance is a powerful technique which involves placing nuclei within an external magnetic field enabling thus them to undergo precession. The 'resonance' part of the names implies the fact that a second (usually perpendicular) radiofrequency pulse tuned to the precessional frequency of target nuclei allows them to absorb and then emit electromagnetic energy.

Nuclear magnetic resonance is exploited in a number disciplines and fields, including magnetic resonance imaging, molecular physics and chemistry.  An offshoot of this technique, nuclear magnetic resonance spectroscopy allows precise analysis of molecular constitution of a chemical microenvironment.

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rID: 16492
Section: Physics
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