USE OF MAGNETIC NANOPARTICLES TO REMOVE ENVIRONMENTAL CONTAMINANTS
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United States of America Patent
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Issued Date -
Feb 16, 2012
app pub date -
Feb 25, 2009
filing date -
Feb 25, 2008
priority date (Note) -
Abandoned
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Abstract
Methods and compositions for removing a contaminant from its environment. The method includes forming a magnetic composition comprising the contaminant and an amphiphilic substance, and applying a magnetic field to the magnetic composition so as to separate the magnetic composition from the environment. One composition includes a micelle array confined in a magnetic mesoporous framework. Another composition is formed by adhering an amphiphilic material comprising functional surface groups to a contaminant, then interacting a magnetic material with the functional surface groups of the amphiphilic material. In various versions, the contaminant can be a hydrophobic organic compound, or a fullerene-related nanoparticle. The methods can also be used to purify hydrophobic organic compounds or fullerene-related nanoparticles.
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