Measurement of Spin-Lattice Relaxation Times in Systems Undergoing Chemical Exchange

Alena Horská, Jiři Horský, Richard G.S. Spencer

Research output: Contribution to journalArticlepeer-review

Abstract

A new method is presented for measuring spin-lattice relaxation times in systems with chemical exchange. The method is based on an analysis of the effect of exchange on saturation factors. Unlike the inversion-recovery method with saturation, our experiment does not require selective excitation; it also does not require a fit of data to a multiple-exponential model, in contrast to inversion recovery without saturation. A number of variations of the experiment are presented, which are applicable to different regimes of T1 and exchange-rate values. The methods are demonstrated for the creatine kinase reaction in an in vitro sample.

Original languageEnglish (US)
Pages (from-to)82-89
Number of pages8
JournalJournal of Magnetic Resonance - Series A
Volume110
Issue number1
DOIs
StatePublished - Jan 1 1994

ASJC Scopus subject areas

  • Engineering(all)

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