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Effect of poly (ethylene glycol) coating on the magnetic and thermal properties of biocompatible magnetic liquids |
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| Authors: | Arkadiusz Józefczak Tomasz Hornowski Miko?aj ?abowski Peter Kop?anský Andrzej Szlaferek |
| Institution: | a Institute of Acoustics, Adam Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland b Institute of Experimental Physics, Slovak Academy of Sciences, Watsonova 47, 040 01 Košice, Slovakia c Institute of Molecular Physics, PAS, Smoluchowskiego 17, 60-179 Poznań, Poland |
| Abstract: | The aim of this study was to investigate the influence of poly(ethylene glycol) surface-active coating on the magnetic and thermal properties of biocompatible magnetic liquids. The data were analyzed using the high-temperature approximation model taking into account polydispersity of a system. Heating ability of the PEG-stabilized magnetic fluids was determined by the calorimetric measurement of specific absorption rate (SAR) at a frequency of 750 kHz and a magnetic field of 0-2 kA/m. MF-Oleate/PEG heating properties were found to be comparable to the ones of MF-Oleate. The PEG shell thus does not seem to effect the thermal characteristics and SAR values and might make the magnetic fluid useful for application in hyperthermia treatment. |
| Keywords: | Magnetic liquid Biocompatibility Hyperthermia Magnetization |
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