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Non-Uniform-Sampling Ultrahigh Resolution TOCSY NMR: Analysis of Complex Mixtures at Microgram Levels

, : Non-Uniform-Sampling Ultrahigh Resolution TOCSY NMR: Analysis of Complex Mixtures at Microgram Levels. Chemphyschem 17(15): 2304-2308

Non-uniform sampling in combination with homonuclear broadband decoupling along an indirect dimension, and indirect covariance processing are used to record ultrahigh resolution two-dimensional TOCSY spectra in less than half an hour, for typical sample concentrations in the mm range. TOCSY correlations belonging to protons separated by as little as ≈2 Hz can be distinctly discerned. The utility of the technique for low concentrations has been demonstrated.


PMID: 27124764

DOI: 10.1002/cphc.201600255

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