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Article Dans Une Revue Solid State Nuclear Magnetic Resonance Année : 2016

Broad-band excitation in indirectly detected 14 N overtone spectroscopy with composite pulses

Résumé

We show here that composite pulses allow broad-band excitation of nitrogen-14 overtone frequencies in proton detected D-HMQC experiments (referred to 1H-{} D-HMQC). Experimental verifications have been performed on glycine, L-histidine and N-acetyl-valine (NAV) samples. Composite pulses enable symmetric excitations of 14N sites with large shift differences. Therefore, this approach is promising for recording high resolution 1H-{} D-HMQC spectra of most amino-acids, pharmaceutical samples and peptides.
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Dates et versions

hal-04554953 , version 1 (22-04-2024)

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Ming Shen, Qun Chen, Jean-Paul Amoureux, Bingwen Hu. Broad-band excitation in indirectly detected 14 N overtone spectroscopy with composite pulses. Solid State Nuclear Magnetic Resonance, 2016, Solid State Nuclear Magnetic Resonance, 78, pp.8-May. ⟨10.1016/j.ssnmr.2016.05.001⟩. ⟨hal-04554953⟩
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