Mössbauer spectroscopic study of iron oxide deposits in liver tissue from the marine mammal Dugong dugong

W. Chua‐anusorn; T.G. St Pierre; G. BlacK; J. Webb; D.J. Macey; D. Parry

doi:10.1007/BF02064625

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Mössbauer spectroscopic study of iron oxide deposits in liver tissue from the marine mammal Dugong dugong

Journal article

Peer reviewed

Mössbauer spectroscopic study of iron oxide deposits in liver tissue from the marine mammal Dugong dugong

W. Chua‐anusorn, T.G. St Pierre, G. BlacK, J. Webb, D.J. Macey and D. Parry

Hyperfine Interactions, Vol.91(1), pp.899-904

1994

DOI: https://doi.org/10.1007/BF02064625

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Abstract

A sample of liver from the marine mammal Dugong dugong was found to have an iron concentration of 137 000 Μg g‑1 Fe dry weight. Histological examination of the tissue revealed dense extracellular deposits of iron-containing particles about 40 to 80 Μm in diameter. Mössbauer spectra of the sample at temperatures between 17 and 200 K show superparamagnetic behaviour with a mean superparamagnetic blocking temperature of about 67 K, with the sextet being extinguished between 160 and 200 K. The blocking temperature and spectral parameters are indicative of the goethite-like form of hemosiderin that has previously been reported in some iron-loaded thalassemic human tissues.

Details

Title: Mössbauer spectroscopic study of iron oxide deposits in liver tissue from the marine mammal Dugong dugong
Authors/Creators: W. Chua‐anusorn (Author/Creator)
T.G. St Pierre (Author/Creator)
G. BlacK (Author/Creator) - Murdoch University
J. Webb (Author/Creator) - Murdoch University
D.J. Macey (Author/Creator) - Murdoch University
D. Parry (Author/Creator) - Northern (Arctic) Federal University
Publication Details: Hyperfine Interactions, Vol.91(1), pp.899-904
Publisher: Kluwer Academic Publishers
Identifiers: 991005543972307891
Copyright: © 1994 J.C. Baltzer AG, Science Publishers
Murdoch Affiliation: School of Biological and Environmental Sciences; School of Mathematical and Physical Sciences
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 1 Clinical & Life Sciences; 1.184 Physiology & Metals; 1.184.573 Iron Metabolism
Web Of Science research areas: Physics, Atomic, Molecular & Chemical; Physics, Condensed Matter; Physics, Nuclear
ESI research areas: Physics