Two-dimensional chemical exchange and cross-relaxation spectroscopy of coupled nuclear spins
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2004-07-12
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Elsevier
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.
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Macura, S.; Huang, Y.; Suter, D.; Ernst, R. R.: Two-dimensional chemical exchange and cross-relaxation spectroscopy of coupled nuclear spins. In: Journal of Magnetic Resonance Nr. 2, Jg. 43(1981), S. 259-281.