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Carbonyl iron coated with a sulfobetaine moiety as a biocompatible system and the magnetorheological performance of its silicone oil suspensions

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dc.title Carbonyl iron coated with a sulfobetaine moiety as a biocompatible system and the magnetorheological performance of its silicone oil suspensions en
dc.contributor.author Mrlík, Miroslav
dc.contributor.author Ilčíková, Markéta
dc.contributor.author Cvek, Martin
dc.contributor.author Pavlínek, Vladimír
dc.contributor.author Zahoranová, Anna
dc.contributor.author Kroneková, Zuzana
dc.contributor.author Kasák, Peter
dc.relation.ispartof RSC Advances
dc.identifier.issn 2046-2069 Scopus Sources, Sherpa/RoMEO, JCR
dc.date.issued 2016
utb.relation.volume 6
utb.relation.issue 39
dc.citation.spage 32823
dc.citation.epage 32830
dc.type article
dc.language.iso en
dc.publisher Royal Society of Chemistry (RSC)
dc.identifier.doi 10.1039/c6ra03919g
dc.relation.uri http://pubs.rsc.org/en/content/articlelanding/2016/ra/c6ra03919g/unauth#!divAbstract
dc.description.abstract In this study, surface modification of carbonyl iron (CI) particles with sulfobetaine moieties (SBE) was performed by the silanization of activated CI to form stable CI-SBE particles. The modification led to a significant improvement of the thermo-oxidation stability and a negligible suppression of the magnetization of the particles, as revealed by thermogravimetric analysis and vibrating sample magnetometry, respectively. The effect of a magnetic field and temperature on the magnetorheological performance of particle suspensions was investigated using a rotational rheometer in order to clarify the suitability of these systems for the local embolization of blood veins. The suspension based on CI-SBE exhibited a pseudoplastic behaviour and a tunable yield stress in a range from 0.3-4 kPa at the normal human body temperature. Moreover, cell viability for fibroblasts and macrophages was examined via MTT assay, which revealed their suitability for the intended applications for the local embolization of blood veins. © The Royal Society of Chemistry 2016. en
utb.faculty University Institute
dc.identifier.uri http://hdl.handle.net/10563/1006389
utb.identifier.obdid 43875178
utb.identifier.scopus 2-s2.0-84964496983
utb.identifier.wok 000374045900049
utb.identifier.coden RSCAC
utb.source j-scopus
dc.date.accessioned 2016-07-26T14:58:24Z
dc.date.available 2016-07-26T14:58:24Z
dc.description.sponsorship NPRP from the Qatar National Research Fund (a member of Qatar Foundation) [NPRP-6-381-1-078]; Ministry of Education, Youth and Sports of the Czech Republic - Program NPU I [LO1504]; Internal Grant Agency of the Czech Republic [IGA/CPS/2016/008]; Slovak Grant Agency, VEGA [2/0156/15]
utb.ou Centre of Polymer Systems
utb.contributor.internalauthor Mrlík, Miroslav
utb.contributor.internalauthor Cvek, Martin
utb.contributor.internalauthor Pavlínek, Vladimír
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