Word info

NMR spectroscopy

Noun

Meaning

NMR spectroscopy (countable and uncountable, plural NMR spectroscopies)

(analytical chemistry) An analytical technique that exploits fine differences in the frequency of nuclear magnetic resonance in protons (and C atoms, etc.) within organic compounds that depends on their neighbouring atoms.

Source: en.wiktionary.org

Examples

Whereas 1 H NMR spectroscopy is generally not useful for establishing the presence of a ketone, 13 C NMR spectra exhibit signals somewhat downfield of 200 ppm depending on structure. Source: Internet

Methods for the structure determination of oligosaccharides and polysaccharides include NMR spectroscopy and methylation analysis. Source: Internet

His second major contribution to the field of NMR spectroscopy was the experimental demonstration of the “two-dimensional” NMR technique first introduced by Jean Jeener at the 1971 AMPERE Summer School. Source: Internet

More convincing are the correlations between electronegativity and chemical shifts in NMR spectroscopy citation or isomer shifts in Mössbauer spectroscopy citation (see figure). Source: Internet

Protein structures from NMR spectroscopy also show helices well, with characteristic observations of nuclear Overhauser effect (NOE) couplings between atoms on adjacent helical turns. Source: Internet

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