Long-lived nuclear spin states in high-field solution NMR.
Nuclear spin order may be stored in a liquid for a much longer time than the longitudinal relaxation time T1, by using rf fields to isolate states of different symmetry. The method is demonstrated on a sample containing AX spin systems.
Carravetta
Marina
M
School of Chemistry, Southampton University, Southampton SO17 1BJ, UK.
Levitt
Malcolm H
MH