Scientist with NMR spectrum analysis on screen

Scientist with NMR spectrum analysis on screen

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Credit: ROBERT LONGUEHAYE, NIBSC/SCIENCE PHOTO LIBRARY

Caption: MODEL RELEASED. Nuclear magnetic resonance (NMR) spectroscopy. Scientist examines NMR spectrum of a protein on the computer screen of an NMR spectro- meter. The principles of NMR spectroscopy are based on the premise that the spin of certain chemical nuclei generate magnetic fields. When these magnetic nuclei are subjected to a uniform magnetic field their attempts to line up with the field result in a wobble (a precession) about the field direction. This precession frequency depends on the type of nucleus and strength of field. Nuclei are identified by measuring their precession frequencies at a known field strength.

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Keywords: apparatus, chemical, chemical nmr, chemical nmr spectroscopy, chemist, chemistry, equipment, industry, nmr chemical spectroscopy, nmr spectra, nuclear magnetic resonance, protein, proteomics, scientist, screen, spectroscopy, technology, with nmr spectra

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