Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2006-10-03
2006-10-03
Harlan, Robert D. (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S161000, C526S171000, C526S172000, C526S280000, C526S281000
Reexamination Certificate
active
07115688
ABSTRACT:
The invention provides a method of preparing nanoparticles having at least one polymer shell attached to them, each polymer shell having a selected property or properties. The method comprises attaching initiation monomers to the surfaces of the nanoparticles, contacting the nanoparticles having the initiation monomers attached to them with a transition metal ring-opening metathesis catalyst to activate the initiation monomers, and contacting the nanoparticles with one or more types of propagation monomers of the formula P—L—N under conditions effective so that the monomers are polymerized to form the one or more polymer shells. In the formula P—L—N, N is a cyclic olefin-containing group, P is a moiety which gives each polymer shell a selected property or properties, and L is a bond or linker. The invention also provides polymers formed by polymerizing the propagation monomers. The invention further provides the nanoparticles, the initiation monomers, and propagation monomers of formula P—L—N wherein P is a moiety having a property selected from the group consisting of redox activity, optical activity, electrical activity and magnetic activity, and L and N are defined above. The invention also provides binding monomers of formula B—L—N, wherein B is a binding moiety that binds specifically to an analyte, and N and L are defined above. Finally, the invention provides methods and kits for detecting or quantitating an analyte.
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Mirkin Chad A.
Nguyen SonBinh T.
Harlan Robert D.
McDonnell Boehnen & Hulbert & Berghoff LLP
Nanosphere Inc.
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