Semiconductor nanoparticles for analysis of blood cell populations and methods of making same
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United States of America Patent
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May 22, 2001
Grant Date -
N/A
app pub date -
Mar 30, 1999
filing date -
Mar 30, 1999
priority date (Note) -
Expired
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Abstract
A semiconductor nanoparticle for use in analysis of biological samples is described. This semiconductor nanoparticle is composed of an aminodextran which is bound to at least one nanoparticle of the formula (X Y).sub.n wherein X is selected from the group comprising Cd.sup.2+, Hg.sup.2+, and Zn.sup.2+ and combinations thereof; and Y is selected from the group comprising S.sup.2-, Se.sup.2- and Te.sup.2- and combinations thereof; and n=approximately 50 to 1000. Also provided are methods of making these semiconductor nanoparticles and methods of making conjugates composed of these semiconductor nanoparticles linked to ligands. Also described are uses for the conjugates in a variety of biological assays.
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