Journal
MATERIALS RESEARCH EXPRESS
Volume 3, Issue 7, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/2053-1591/3/7/075402
Keywords
iron oxide; silica spheres; magnetic; biomedical applications
Categories
Funding
- Portuguese Foundation for Science and Technology (FCT) [PTDC/EEI-SII/5582/2014, UID/EEA/04436/2013]
- FEDER funds through COMPETE Programa Operacional Competitividade e Internacionalizacao (POCI) [POCI-01-0145-FEDER-006941]
- FCT [SFRH/BPD/98109/2013]
- Basque Government Industry Department under the ELKARTEK Program
- Diputacion de Bizkaia
- European Union's Seventh Framework Programme
- Marie Curie Actions - People [267230]
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A direct, systematic and comparative study on the production of magnetic silica spheres (MSS) with control over their most relevant parameters, including size, morphology and magnetization, is presented. MSS were prepared by a simple and efficient sol-gel method varying different synthesis parameters. Porous and non-porous MSS with sizes from similar to 110 to 500 nm, saturation magnetization between 23 and 3 emu g(-1) and stable over a large pH range can be thus obtained in a facile procedure, allowing to tailor particle properties for specific applications.
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