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Light-transmitting Measurements through Starch-coated Cobalt Ferrite Ferrofluids Exposed to an External Magnetic Field
JETP Letters ( IF 1.4 ) Pub Date : 2021-02-16 , DOI: 10.1134/s0021364021040056
M. Šuljagić , L. Andjelković , P. Iskrenović , A. S. Nikolić , M. R. Milenković

The light-transmitting measurements at the 655 nm wavelength were performed through starchcoated cobalt ferrite ferrofluids synthesized by well-established synthetic methods, i.e., coprecipitation, mechanochemical, ultrasonically assisted coprecipitation, microemulsion, and microwave-assisted hydrothermal syntheses, exposed to an external magnetic field of 200–400 mT. The investigated samples can be divided into the two groups. The first is where the samples showed higher rate of agglomeration and sedimentation effects. The group of samples synthesized by microemulsion, microwave-assisted hydrothermal method, and mechanochemical method showed less pronounced rate of chain formation. Such measurements present good method for the preliminary selection of possible magnetic resonance imaging (MRI) contrast agents between differently synthesized ferrite suspensions.



中文翻译:

通过暴露于外部磁场的涂有淀粉的钴铁氧体铁磁流体的透光测量

655 nm波长下的透光率测量是通过采用成熟的合成方法(即共沉淀,机械化学,超声辅助共沉淀,微乳液和微波辅助的水热合成法)合成的淀粉包覆的钴铁氧体铁磁流体进行的,并暴露于外部磁场下200–400 mT。被调查的样本可以分为两组。首先是样品显示较高的团聚和沉降效果。通过微乳液,微波辅助水热法和机械化学法合成的样品组链形成速率不明显。

更新日期:2021-02-17
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