Fundamental Aspects of Parahydrogen Enhanced Low-Field Nuclear Magnetic Resonance

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Fundamental Aspects of Parahydrogen Enhanced Low-Field Nuclear Magnetic Resonance

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05-21-2013, 01:54 AM

nmrlearner

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Fundamental Aspects of Parahydrogen Enhanced Low-Field Nuclear Magnetic Resonance

From The DNP-NMR Blog:

Fundamental Aspects of Parahydrogen Enhanced Low-Field Nuclear Magnetic Resonance

Colell, J., et al., Fundamental Aspects of Parahydrogen Enhanced Low-Field Nuclear Magnetic Resonance. Phys. Rev. Lett., 2013. 110(13): p. 137602.

http://www.ncbi.nlm.nih.gov/pubmed/23581373

<div style="text-align: justify;">We report new phenomena in low-field ^{1}H nuclear magnetic resonance (NMR) spectroscopy using parahydrogen induced polarization (PHIP), enabling determination of chemical shift differences, deltanu, and the scalar coupling constant J. NMR experiments performed with thermal polarization in millitesla magnetic fields do not allow the determination of scalar coupling constants for homonuclear coupled spins in the inverse weak coupling regime (deltanu

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