Mössbauer and SQUID Characterization of Iron in Human Tissue: Case of Globus Pallidus

• Authors: M. Miglierini , R. Boča , M. Kopáni , A. Lančok
• Languages of publication: EN

Abstracts

EN

Lyophilized samples of human brain tissue from the region of Globus Pallidus were investigated in powder form by ^{57}Fe Mössbauer spectroscopy and SQUID magnetometry. The obtained hyperfine parameters including isomer shift and quadrupole splitting exhibit a ferritin-like behaviour with high-spin Fe(III) sites. Three types of features were derived from temperature development of magnetic susceptibility: dominating diamagnetism, dominating paramagnetism, and intermediate states. The magnetic characteristics of the samples do not correlate with age of the donors.

Keywords

EN

76.80.+y; 31.30.Gs; 75.75.-c; 87.85.jc

Discipline

• 75.75.-c: Magnetic properties of nanostructures
• 76.80.+y: Mössbauer effect; other γ-ray spectroscopy(see also 33.45.+x Mössbauer spectra—in atomic and molecular physics; for biophysical applications, see 87.64.kx; for chemical analysis applications, see 82.80.Ej)
• 87.85.jc: Electrical, thermal, and mechanical properties of biological matter
• 31.30.Gs: Hyperfine interactions and isotope effects(see also 32.10.Fn Fine and hyperfine structure)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 126
• Issue: 1
• Pages: 240-241

Dates

published

2014-07

Contributors

author

M. Miglierini

• Institute of Nuclear and Physical Engineering, Faculty of Electrical Engineering and Information Technology, Slovak University of Technology in Bratislava, Ilkovičova 3, 812 19 Bratislava, Slovakia
• Regional Centre of Advanced Technologies and Materials, Palacky University, 17. listopadu 12, 771 46 Olomouc, Czech Republic

author

R. Boča

• Department of Chemistry, FPV, University of SS. Cyril and Methodius, 917 01 Trnava, Slovakia

author

M. Kopáni

• Department of Pathology, Faculty of Medicine, Comenius University, Sasinkova 4, 811 08 Bratislava, Slovakia

author

A. Lančok

• Institute of Inorganic Chemistry AS CR, v. v. i., 250 68 Husinec-Řež 1001, Czech Republic

References

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Identifiers

DOI

10.12693/APhysPolA.126.240