An analysis of quadrupole splitting of the Mossbauer spectra of ferritin and iron-dextran complexes in relation to the iron core microstructural variations / Oshtrakh MI,Milder OB,Semionkin VA,Prokopenko PG,Livshits AB,Kozlov AA,Pikulev AI // ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES. - 2002. - V. 57, l. 6-7. - P. 566-574.

ISSN/EISSN:

0932-0784 / нет данных

Type:

Article; Proceedings Paper

Abstract:

Mossbauer spectra of human liver ferritin and some pharmaceutically important iron-dextran complexes as ferritin models were measured at 87 K (frozen solutions) and at both 87 and 295 K (lyophilized forms). The Mossbauer spectra consisted of paramagnetic doublets only. However, the spectral line shapes were not Lorentzian and these Mossbauer spectra were better fitted using a superposition of two or more quadrupole doublets or using a distribution of quadrupole splittings. The differences of the maximal quantity of quadrupole doublets for better fitting of various Mossbauer spectra of ferritin and iron-dextran complexes were compared with the fitting using the distribution of quadrupole splitting for additional analysis. It is possible that variations of the quantity of quadrupole doublets for better fitting of Mossbauer spectra of ferritin and iron-dextran complexes may be related to heterogeneous iron cores in the samples. This heterogeneity is supposed to be different for various samples and changed for lyophilized samples and for frozen solutions as well as for various temperatures.

Author keywords:

ferritin; iron-dextran complexes; Mossbauer spectroscopy; paramagnetic iron core; quadrupole splitting X-RAY-DIFFRACTION; POSITRON-ANNIHILATION; MAGNETIC-PROPERTIES; SPECTROSCOPY; IMFERON; ABSORPTION; MODELS

DOI:

нет данных

Web of Science ID:

ISI:000177905600052

Соавторы в МНС:

Другие поля

Поле	Значение
Month	JUN-JUL
Note	16th International Symposium on Nuclear Quadrupole Interactions Spectroscopy, UNIV HIROSHIMA, HIROSHIMA, JAPAN, SEP 09-14, 2001
Publisher	VERLAG Z NATURFORSCH
Address	POSTFACH 2645, W-7400 TUBINGEN, GERMANY
Language	English
Keywords-Plus	X-RAY-DIFFRACTION; POSITRON-ANNIHILATION; MAGNETIC-PROPERTIES; SPECTROSCOPY; IMFERON; ABSORPTION; MODELS
Research-Areas	Chemistry; Physics
Web-of-Science-Categories	Chemistry, Physical; Physics, Multidisciplinary
ResearcherID-Numbers	Oshtrakh, Mikhail/L-8342-2016
ORCID-Numbers	Oshtrakh, Mikhail/0000-0002-2937-5194
Number-of-Cited-References	35
Journal-ISO	Z. Naturfors. Sect. A-J. Phys. Sci.
Doc-Delivery-Number	591XM