Object's details: EPR Study of Paramagnetic Centers in Human Blood

Provider:Platforma Otwartych Czasopism Naukowych UAM

Description

Title:
EPR Study of Paramagnetic Centers in Human Blood
Creator:
Kubiak, Tomasz;
Krzyminiewski, Ryszard;
Dobosz, Bernadeta
Description:
Electron paramagnetic resonance investigations of paramagnetic centers in whole human blood were carried out at 170 K using X-band EPR spectrometer. The study included a group of patients and healthy volunteers. The EPR signals from high spin Fe3+ ions in transferrin (g = 4.2) and Cu2+ ions in ceruloplasmin (g = 2.05) are characteristic of each frozen blood sample. An overview of all recorded spectra revealed in several cases additional lines derived from high spin Fe3+ ions in methemoglobin (g = 5.8 - 6), free radicals (g = 2.002 - 2.005) and various low spin ferriheme complexes (g = 2.21 - 2.91). The lines from cytochromes (g = 3.03 and 3.27) were observed only twice. The EPR measurements have not confirmed the correlation between the occurrence of a particular type of low-spin iron complex and a specific disease entity. Moreover, the presence of EPR lines from trivalent iron also did not differentiate patients from healthy volunteers.
Object availability:
free access
Rights:
Prawa autorskie (c) 2014 Tomasz Kubiak, Ryszard Krzyminiewski, Bernadeta Dobosz
Date:
2014.04.25
Type:
info:eu-repo/semantics/article;
info:eu-repo/semantics/publishedVersion;
Peer-reviewed article
Language:
English;
eng
Source:
Current Topics in Biophysics; Vol. 36 No. 1 (2013); 7-13;
Current Topics in Biophysics; Tom 36 Nr 1 (2013); 7-13;
2084-1892;
1232-9630
Format:
application/pdf
Publisher:
Adam Mickiewicz University Poznan
Relation: http://pressto.amu.edu.pl/index.php/ctb/article/view/ctb-2013-0006/28795
Identifier: http://pressto.amu.edu.pl/index.php/ctb/article/view/ctb-2013-0006
Data provider:
Platforma Otwartych Czasopism Naukowych UAM

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Object's details: EPR Study of Paramagnetic Centers in Human Blood

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