Carbonyl iron coated with a sulfobetaine moiety as a biocompatible system and the magnetorheological performance of its silicone oil suspensions
作者： Miroslav Mrlík , Markéta Ilčíková , Martin Cvek , Vladimír Pavlínek , Anna Zahoranová
DOI: 10.1039/C6RA03919G
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摘要: In this study, surface modification of carbonyl iron (CI) particles with sulfobetaine moieties (SBE) was performed by the silanization activated CI to form stable CI–SBE particles. The led a significant improvement thermo-oxidation stability and negligible suppression magnetization particles, as revealed thermogravimetric analysis vibrating sample magnetometry, respectively. effect magnetic field temperature on magnetorheological performance particle suspensions investigated using rotational rheometer in order clarify suitability these systems for local embolization blood veins. suspension based exhibited pseudoplastic behaviour tunable yield stress range from 0.3–4 kPa at normal human body temperature. Moreover, cell viability fibroblasts macrophages examined via MTT assay, which their intended applications
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