| NMR studies into colloidal stability and magnetic order in fatty acid stabilised aqueous magnetic fluids. | |
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MedLine Citation:
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PMID: 20922236 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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We report the physico-chemical characterisation of fatty acid stabilised aqueous magnetic fluids, which are ideal systems for studying the influence of nanoparticle aggregation on the emergent magnetic resonance properties of the suspensions. Stable colloids of superparamagnetic magnetite, Fe(3)O(4), nanoparticle clusters in the 80 to 100 nm size range were produced by in situ nanoparticle growth and stabilisation, and by suspending pre-formed nanoparticles. NMR relaxation analysis shows that the magnetic resonance properties of the two types of suspension differ substantially and provides new insights into how the relaxation mechanisms are determined by the organisation of the nanoparticles within the clusters. |
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Authors:
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Swapankumar Ghosh; Darren Carty; Sarah P Clarke; Serena A Corr; Renata Tekoriute; Yurii K Gun'ko; Dermot F Brougham |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-10-05 |
Journal Detail:
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Title: Physical chemistry chemical physics : PCCP Volume: 12 ISSN: 1463-9084 ISO Abbreviation: Phys Chem Chem Phys Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2010-10-21 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100888160 Medline TA: Phys Chem Chem Phys Country: England |
Other Details:
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Languages: eng Pagination: 14009-16 Citation Subset: IM |
Affiliation:
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National Institute for Cellular Biotechnology, School of Chemical Sciences, Dublin City University, Dublin 9, Ireland. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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