| Approximate solutions of the Bloch-McConnell equations for two-site chemical exchange. | |
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MedLine Citation:
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PMID: 15253305 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Approximate formulas for the transverse-relaxation rate constant and resonance frequency have been derived for nuclear spins subject to two-site chemical exchange. The new results are more accurate than previous approximations when chemical exchange does not approach the fast-exchange limit or when site populations are not highly asymmetric. Results are derived from an effective average evolution operator that contains contributions from both exact eigenvalues of the Bloch-McConnell equations. These expressions are useful for interpretation of chemical exchange processes in NMR spectroscopy. |
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Authors:
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Daniel Abergel; Arthur G Palmer |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: Chemphyschem : a European journal of chemical physics and physical chemistry Volume: 5 ISSN: 1439-4235 ISO Abbreviation: Chemphyschem Publication Date: 2004 Jun |
Date Detail:
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Created Date: 2004-07-15 Completed Date: 2005-03-31 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 100954211 Medline TA: Chemphyschem Country: Germany |
Other Details:
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Languages: eng Pagination: 787-93 Citation Subset: IM |
Affiliation:
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Laboratoire de Chimie, Ecole Normale Supérieure 24, rue Lhomond, 75005 Paris, France. daniel.abergel@ens.fr |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Kinetics Magnetic Resonance Spectroscopy / methods* Models, Chemical Solutions / chemistry |
| Grant Support | |
ID/Acronym/Agency:
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GM59273/GM/NIGMS NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Solutions |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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