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


We show here that composite pulses allow broad-band excitation of nitrogen-14 overtone frequencies in proton detected D-HMQC experiments (referred to (1)H-{NOTDQ14} D-HMQC). Experimental verifications have been performed on glycine, L-histidine and N-acetyl-valine (NAV) samples. Composite pulses enable symmetric excitations of (14)N sites with large shift… (More)
DOI: 10.1016/j.ssnmr.2016.05.001


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