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Inter-particle interactions in biocompatible magnetic fluids

Bui, QT; Pankhurst, QA; Zulqarnain, K; (1998) Inter-particle interactions in biocompatible magnetic fluids. IEEE TRANSACTIONS ON MAGNETICS , 34 (4) 2117 - 2119.

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Abstract

Biocompatible magnetic fluids intended for use in protein purification applications have been prepared and characterised. Superparamagnetic iron oxide particles of order 10 mn in diameter were made by co-precipitation of ferric and ferrous chlorides in NaOH solution and were subsequently coated with aminosilane and dispersed in water. The magnetic and structural properties of a series of dispersions were investigated via atomic force microscopy, dynamic light scattering and SQUID magnetometry. These results enabled the interpretation of zero-field cooled and initial magnetisation data in dilute dispersions in terms of superparamagnetic relaxation and inter-particle interactions.

Type: Article
Title: Inter-particle interactions in biocompatible magnetic fluids
Location: SAN FRANCISCO, CALIFORNIA
Keywords: bioprocessing, iron oxides, magnetic fluids, SUSCEPTIBILITY PHENOMENA, DEPENDENCE, SYSTEM, PEAK
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Med Phys and Biomedical Eng
URI: http://discovery.ucl.ac.uk/id/eprint/59481
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