Maghemite nanoparticles and method for preparing thereof
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United States of America Patent
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Mar 17, 2015
Grant Date -
May 16, 2013
app pub date -
Jul 20, 2010
filing date -
Jul 20, 2010
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Abstract
The present application relates to a method for preparing stoichiometrically pure maghemite iron superparamagnetic nanoparticles. The method for preparing maghemite (γ-Fe2O3) superparamagnetic nanoparticles disclosed in the present application is characterized by a step of reduction and appropriate steps of oxidation of the Fe-based composition obtained by the same. The maghemite nanoparticles obtained show a suitable size as well as binding properties without any surface modification. These nanoparticles can be therefore easily used as reagents for detection of inorganic and/or organic molecules as well as nanocarriers of organic and/or biomolecules.
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