Magnetic Properties of Biocompatible Magnetic Fluid after Electron Irradiation

被引：3
|
作者：
Tomasoviova, N. [1 ]
Haysak, I. [2 ]
Koneracka, M. [1 ]
Kovac, J. [1 ]
Timko, M. [1 ]
Zavisova, V. [1 ]
Okunev, A. [2 ]
Parlag, A. [2 ]
Fradkin, A. [2 ]
Sakhno, V. [3 ]
Kopcansky, P. [1 ]
机构：
[1] Slovak Acad Sci, Inst Expt Phys, Kosice 04001, Slovakia
[2] Uzhgorod Natl Univ, UA-88000 Uzhgorod, Ukraine
[3] Ukrainian Natl Acad Sci, Inst Nucl Res, UA-03680 Kiev, Ukraine
来源：
ACTA PHYSICA POLONICA A | 2012年 / 121卷 / 5-6期
关键词：
NANOPARTICLES; RADIATION;
D O I：
10.12693/APhysPolA.121.1302
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The magnetic particles in the water-based magnetic fluids were sterically stabilized by natrium oleate to prevent their agglomeration and consequently the adsorption of poly-ethylene-glycol (PEG) was carried out to improve the biocompatibility of the magnetic particles. Two sets of samples were prepared. The first set of the samples was with different molar weight of PEG (Mw = 400, 1000, 10 000 and 20 000) at the constant weight ratio of PEG/Fe3O4 = 0.25 and the second one was with different weight ratio of PEG/Fe3O4 and constant molar weight of PEG (Mw = 1000). The samples were irradiated with 20 Gy. The same reduction of saturated magnetization (about 10%) after electron irradiation with 20 Gy was observed for all prepared samples.
引用
收藏
页码：1302 / 1304
页数：3
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