Increased noe enhancement in1h decoupled31p mrs

摘要

Abstract1H decoupling using the WALTZ‐4 decoupling scheme is a popular means of improving spectral resolution in31P NMR spectroscopy. At the same time, sensitivity in the proton decoupled31P spectra is enhanced by the nuclear Overhauser effect. The authors show that when using WALTZ‐4 decoupling in a uniform decoupler RF field, the degree of sensitivity enhancement is critically dependent on whether the decoupling interval contains an odd or an even number of WALTZ decoupling elements. This effect is demonstrated both in phantoms andin v