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Characterization of Dynabeads® by magnetization measurements Mössbauer spectroscopy
Dynal Biotech ASA, Norway.
RISE, Swedish ICT, Acreo.ORCID iD: 0000-0002-6662-8023
Dynal Biotech ASA, Norway.
Dynal Biotech ASA, Norway.
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2005 (English)In: Journal of Magnetism and Magnetic Materials, ISSN 0304-8853, E-ISSN 1873-4766, Vol. 293, p. 41-47Article in journal (Refereed) Published
Abstract [en]

X-ray diffraction, SEM analysis, Mössbauer spectroscopy and magnetic measurements were used to characterize three different magnetic beads (Dynabeads®). Maghemite (γ-Fe2O3) is the predominant crystalline phase. The nanoparticles were evenly spread in the beads, and the crystal sizes were in the range of 8 nm. The nanoparticles showed superparamagnetic behaviour. The particle's intrinsic magnetization of about 340 kA/m is typical for nanoparticles of maghemite.

Place, publisher, year, edition, pages
2005. Vol. 293, p. 41-47
Keywords [en]
magnetic nanoparticles, Magnetic analysis, AC susceptometry
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:ri:diva-32188DOI: 10.1016/j.jmmm.2005.01.041Scopus ID: 2-s2.0-18144383483OAI: oai:DiVA.org:ri-32188DiVA, id: diva2:1152047
Available from: 2017-10-24 Created: 2017-10-24 Last updated: 2019-10-10Bibliographically approved

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Johansson, Christer

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