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Title: Effects of oleic acid surface coating on the properties of nickel ferrite nanoparticles/PLA composites
Authors: Yin, H.
Chow, G.-M. 
Keywords: Composites
Nickel ferrite nanoparticles
Oleic acid
Surface coating
Issue Date: Nov-2009
Source: Yin, H., Chow, G.-M. (2009-11). Effects of oleic acid surface coating on the properties of nickel ferrite nanoparticles/PLA composites. Journal of Biomedical Materials Research - Part A 91 (2) : 331-341. ScholarBank@NUS Repository.
Abstract: Nickel ferrite nanoparticles with or without oleic acid surface coating were mixed with poly(D,L-lactide) (PLA) by double emulsion method. If the nanoparticles were prepared without oleic acid coating, they adsorbed on the PLA surface. If the nanoparticles were coated with oleic acid, they could be readily encapsulated within the PLA microspheres. A slight depression in glass transition temperature was found in all composites and it could be related to the interfacial energies between nanoparticles and PLA. Optimum mixed composite was achieved by reducing interfacial energy. However, loading capacity was limited in this composite. Increasing the amount of nickel ferrite nanoparticles was not useful to increase loading capacity. Cytotoxicity of the composite decreased significantly when nickel ferrite nanoparticles were effectively encapsulated in PLA microspheres. © 2008 Wiley Periodicals, Inc.
Source Title: Journal of Biomedical Materials Research - Part A
ISSN: 15493296
DOI: 10.1002/jbm.a.32229
Appears in Collections:Staff Publications

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