Light-Transmitting Measurements through Starch-Coated Cobalt Ferrite Ferrofluids Exposed to an External Magnetic Field

The light-transmitting measurements at the 655 nm wavelength have been performed through starch-coated cobalt ferrite ferrofluids synthesized by well-established synthetic methods, i.e., coprecipitation, mechanochemical, ultrasonically assisted coprecipitation, microemulsion, and microwave-assisted...

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Bibliographic Details
Published in:JETP letters 2021-02, Vol.113 (4), p.238-241
Main Authors: Šuljagić, M., Andjelković, L., Iskrenović, P., Nikolić, A. S., Milenković, M. R.
Format: Article
Language:English
Subjects:
Atomic
Biological and Medical Physics
Biophysics
Cobalt ferrites
Contrast agents
Coprecipitation
Ferrofluids
Magnetic fields
Magnetic resonance imaging
Microemulsions
Molecular
Optical and Plasma Physics
Optics and Laser Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Quantum Information Technology
Solid State Physics
Spintronics
Synthesis
Transmission
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Summary:The light-transmitting measurements at the 655 nm wavelength have been performed through starch-coated 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.
ISSN:0021-3640
1090-6487
DOI:10.1134/S0021364021040056