Magnetic microspheres for use in fluorescence-based applications
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United States of America Patent
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May 9, 2017
Grant Date -
Sep 15, 2016
app pub date -
May 26, 2016
filing date -
Jan 20, 2005
priority date (Note) -
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Abstract
Microspheres, populations of microspheres, and methods for forming microspheres are provided. One microsphere configured to exhibit fluorescent and magnetic properties includes a core microsphere and a magnetic material coupled to a surface of the core microsphere. About 50% or less of the surface of the core microsphere is covered by the magnetic material. The microsphere also includes a polymer layer surrounding the magnetic material and the core microsphere. One population of microspheres configured to exhibit fluorescent and magnetic properties includes two or more subsets of microspheres. The two or more subsets of microspheres are configured to exhibit different fluorescent and/or magnetic properties. Individual microspheres in the two or more subsets are configured as described above.
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