phase cycling;
coherence transfer pathways;
multiplex phase cycles;
pure-absorption phase;
D O I:
10.1016/S1090-7807(02)00108-8
中图分类号:
Q5 [生物化学];
学科分类号:
071010 ;
081704 ;
摘要:
We discuss a new class of phase cycling procedures, in which a set of individual phase-shifted transients are stored separately in the computer and processed afterwards to yield the separated NMR signals from two or more coherence transfer pathways. In the case of two-dimensional double-quantum spectroscopy, this multiplex acquisition procedure allows the acquisition of pure-absorption spectra in only 62.5% of the time needed by previous methods. (C) 2002 Elsevier Science (USA). All rights reserved.