Mössbauer spectroscopy of human liver ferritin and its analogue, Ferrum Lek, in the temperature range of 295-90 K: Comparison within the homogeneous iron core model / Alenkina I.V., Oshtrakh M.I., Klencsár Z., Kuzmann E., Semionkin V.A. // AIP Conference Proceedings. - 2014. - V. 1622, l. . - P. 142-148.

ISSN:

0094243X

Type:

Conference Paper

Abstract:

Human liver ferritin and its pharmaceutical analogue, Ferrum Lek, containing nanosized hydrous ferric oxides cores in the forms of ferrihydrite and akaganéite, respectively, were studied using Mössbauer spectroscopy with a high velocity resolution in the temperature range of 295-90 K. To simplify comparison, these spectra were fitted using one quadrupole doublet within the homogeneous iron core model. An unusual line broadening with a temperature decrease was observed in this way for human liver ferritin below ∼ 150 K and for Ferrum Lek below ∼ 130 K. Some anomalies were also observed below these temperatures for spectral area and quadrupole splitting. The Debye temperature for both iron cores was evaluated from temperature dependence of isomer shift using the temperature dependence of the second-order Doppler shift. © 2014 AIP Publishing LLC.

Author keywords:

Ferrum Lek; human liver ferritin; Mössbauer spectroscopy; nanosized iron core

Index keywords:

нет данных

DOI:

10.1063/1.4898623

Смотреть в Scopus:

https://www.scopus.com/inward/record.uri?eid=2-s2.0-84911450734&doi=10.1063%2f1.4898623&partnerID=40&md5=4173cf213f972dd7c8c08bf876025e86

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Link	https://www.scopus.com/inward/record.uri?eid=2-s2.0-84911450734&doi=10.1063%2f1.4898623&partnerID=40&md5=4173cf213f972dd7c8c08bf876025e86
Affiliations	Department of Physical Techniques and Devices for Quality Control, Institute of Physics and Technology, Ural Federal University, Ekaterinburg, Russian Federation; Department of Experimental Physics, Institute of Physics and Technology, Ural Federal University, Ekaterinburg, Russian Federation; Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Magyar tudósok körútja 2, Budapest, Hungary; Institute of Chemistry, Eötvös Loránd University, Pázmány sétány1/A., Budapest, Hungary
Author Keywords	Ferrum Lek; human liver ferritin; Mössbauer spectroscopy; nanosized iron core
Funding Details	111692, OTKA, Országos Tudományos Kutatási Alapprogramok
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Correspondence Address	Oshtrakh, M.I.; Department of Physical Techniques and Devices for Quality Control, Institute of Physics and Technology, Ural Federal UniversityRussian Federation
Editors	Tucek J.Miglierini M.
Publisher	American Institute of Physics Inc.
Conference name	Mossbauer Spectroscopy in Materials Science, MSMS 2014
Conference date	26 May 2014 through 30 May 2014
Conference code	109007
ISBN	9780735412590
Language of Original Document	English
Abbreviated Source Title	AIP Conf. Proc.
Source	Scopus