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Investigation of the hyperfine properties of deoxy hemoglobin based on its electronic structure obtained by Hartree-Fock-Roothan procedure
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics, Condensed Matter Theory.
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2008 (English)In: Hyperfine Interactions, ISSN 0304-3843, E-ISSN 1572-9540, Vol. 181, no 1-3, 75-80 p.Article in journal (Refereed) Published
Abstract [en]

The electronic structure of the heme unit of deoxyhemoglobin including the proximal imidazole has been studied using the first-principles Hartree-Fock procedure. Our results for the Fe-57m isomer shift and asymmetry parameter are in very good agreement with the values obtained from Mossbauer spectroscopy measurements. The Fe-57m nuclear quadrupole coupling constant is smaller than the experimental result and possible ways to improve the agreement in the future are discussed. Improved analysis of the Mossbauer data, removing some approximations made for deriving the magnetic hyperfine tensor for the Fe-57m nucleus, is suggested to allow quantitative comparison with our results in the future.

Place, publisher, year, edition, pages
2008. Vol. 181, no 1-3, 75-80 p.
Keyword [en]
Deoxy hemoglobin, Hartree-Fock-Roothan procedure, Mossbauer data
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-107113DOI: 10.1007/s10751-008-9692-yISI: 000260281100010OAI: oai:DiVA.org:uu-107113DiVA: diva2:227694
Available from: 2009-07-16 Created: 2009-07-16 Last updated: 2017-12-13Bibliographically approved

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Scheicher, Ralph H.

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