METHOD FOR PRODUCING STABLE DISPERSIBLE MAGNETIC IRON OXIDE SINGLE-CORE NANOPARTICLES, STABLE DISPERSIBLE MAGNETIC IRON OXIDE SINGLE-CORE NANOPARTICLES AND USES OF SAME
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United States of America Patent
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Aug 23, 2018
app pub date -
Aug 5, 2016
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Aug 18, 2015
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Abstract
The present invention relates to magnetic single-core nanoparticles, in particular stable dispersible magnetic single-core nanoparticles (e.g. single-core magnetite nanoparticles) having a diameter between 20 and 200 nm in varied morphology, and the continuous aqueous synthesis thereof, in particular using micromixers. The method is simple, quick and cost-effective to perform and is carried out without organic solvents. The single-core nanoparticles produced by the method form stable dispersions in aqueous media, i.e. not having a tendency to assemble or aggregate. In addition, the method offers the possibility of producing anisotropic, super-paramagnetic, plate-shaped nanoparticles which, due to their shape anisotrophy, are extremely suitable for use in polymer matrices for magnet field-controlled release of active substances.
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