Two-dimensional chemical exchange and cross-relaxation spectroscopy of coupled nuclear spins

Slobodan I Macura, Y. Huang, D. Suter, R. R. Ernst

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Abstract

The features of two-dimensional cross-relaxation and chemical exchange spectroscopy of coupled spins are investigated theoretically and by experiment. It is shown that spin-spin couplings can lead to J cross-peaks in analogy to cross-peaks in two-dimensional autocorrelated spectroscopy. They reflect a coherent magnetization transfer in contrast to the incoherent processes responsible for cross-relaxation and for chemical exchange. Possibilities of selectively suppressing J cross-peaks are discussed.

Original languageEnglish (US)
Pages (from-to)259-281
Number of pages23
JournalJournal of Magnetic Resonance (1969)
Volume43
Issue number2
DOIs
StatePublished - 1981
Externally publishedYes

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