Magnetic Properties of Collagen-Chitosan Hybrid Materials with Immobilized Superparamagnetic Iron Oxide Nanoparticles (SPIONs)

被引：5
|
作者：
Fiejdasz, Sylwia [1 ]
Gilarska, Adriana [1 ,2 ]
Straczek, Tomasz [3 ]
Nowakowska, Maria [2 ]
Kapusta, Czeslaw [1 ]
机构：
[1] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Dept Solid State Phys, Mickiewicza 30, PL-30059 Krakow, Poland
[2] Jagiellonian Univ, Fac Chem, Gronostajowa 2, PL-30387 Krakow, Poland
[3] AGH Univ Sci & Technol, Fac Mech Engn & Robot, Dept Robot & Mechatron, Mickiewicza 30, PL-30059 Krakow, Poland
来源：
MATERIALS | 2021年 / 14卷 / 24期
关键词：
magnetic hybrid materials; magnetic properties; vibrating sample magnetometry (VSM); blocking temperature; SPIONs; HYDROGELS; CELLS; BEHAVIOR;
D O I：
10.3390/ma14247652
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The paper presents results of our studies on hybrid materials based on polymers of natural origin containing superparamagnetic iron oxide nanoparticles (SPIONs). Such nanoparticles, coated with the chitosan derivative, were immobilized in a chitosan-collagen hydrogel matrix by crosslinking with genipin. Three types of biopolymer matrices of different collagen-to-chitosan ratios were studied. A thorough magnetic characterization was performed, including magnetic susceptibility, magnetization, and hysteresis loop measurements in a temperature range of 4 K to 300 K and a magnetic field induction up to 8 Tesla. The effect of SPION immobilization and material composition on the magnetic properties of the hybrids was investigated. The results showed that hybrid materials with covalently bounded SPIONs preserved the superparamagnetic character of SPIONs and exhibited promising magnetic properties, which are important for their potential applications.
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页数：11
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