Medical University of South Carolina

Rensselaer Polytechnic Institute

Lei Wang

Brian C Benicewicz

Mohammad Mohammadkhani

Richard W Siegel

Robert F Karlicek

Alan Decho

Linda S Schadler

Peng Tao

Ying Li

Kristen Miller

Nanoparticles having a plurality of PVP chains covalently bonded to a surface of the nanoparticle are provided, along with their methods of formation and the RAFT agents for the polymerization of the PVP chains. RAFT agents are generally provided, along with their methods of formation and use. Methods are also generally provided for grafting a PVP polymer onto a nanoparticle. In one embodiment, the method includes polymerizing a plurality of monomers in the presence of a RAFT agent to form a polymeric chain covalently bonded to the nanoparticle.

Raft agents and their use in the development of polyvinylpyrrolidone grafted nanoparticles

A method is generally provided for attaching a polymer chain onto a surface of a nanoparticle, where the polymer chain comprises a cyclic arrangement of saccharides. The resulting grafted nanoparticle is also generally provided, along with its methods of use by exposing to a bacteria colony.

Cyclodextrin functionalized nanoparticles for quenching bacterial communications

Nanoparticles having a plurality of PVP chains covalently bonded to a surface of the nanoparticle are provided, along with their methods of formation and the RAFT agents for the polymerization of the PVP chains. RAFT agents are generally provided, along with their methods of formation and use. Methods are also generally provided for grafting a PVP polymer onto a nanoparticle. In one embodiment, the method includes: polymerizing a plurality of monomers in the presence of a RAFT agent to form a polymeric chain covalently bonded to the nanoparticle.

Methods for of synthesizing a polymer functionalized nanoparticle are provided. The method can comprise: attaching an anchoring compound to a nanoparticle; attaching a RAFT agent to the anchoring compound; and polymerizing a plurality of butadiene-derived monomers on the anchoring compound to form a polymeric chain covalently bonded to the nanoparticle via the anchoring compound. Polymer functionalized nanoparticles are also provided that include a nanoparticle defining a surface; a butadiene-derived polymeric chain covalently bonded to the surface of the nanoparticle. Nanocomposites are also provided that include a plurality of such polymer functionalized nanoparticles dispersed within a polymeric matrix.

Butadiene-derived polymers grafted nanoparticles and their methods of manufacture and use

Provided is a phosphor-functionalized nanoparticle that includes an inorganic nanoparticle core; surface polymer brushes that include a plurality of long-chain polymers bonded to the surface of the inorganic nanoparticle core, said long-chain polymers each having molecular weight greater than 500, and a plurality of short-chain polymers bonded to the surface of the inorganic nanoparticle core, said short-chain polymers each having molecular weight less than 0.5 times the average molecular weight of the long-chain polymers; and one or more organic phosphors bonded to at least one of the inorganic nanoparticle core and one or more of the plurality of short-chain polymers. Graft density of the short-chain polymers on the surface of the inorganic nanoparticle core (&#x3c3;) is greater than graft density of the long-chain polymers on the surface of the inorganic nanoparticle core (&#x3c3;). Also provided are polymer matrices, LED's, optical systems, lighting devices, and fixtures that include the inventive nanoparticle.

Organic phosphor-functionalized nanoparticles and compositions comprising the same

Methods for forming core-shell magnetic nanoparticles are provided. The method can include: forming an oxide shell around a metal oxide core to form a core-shell magnetic nanoparticle; attaching an anchoring agent to the magnetic nanoparticle; reacting a RAFT agent with the functional group of the anchoring agent such that the RAFT agent is bonded to the magnetic nanoparticle through the anchoring agent; and attaching a polymeric chain to the RAFT agent.

Growing community of inventors

Columbia, SC, United States of America

Lei Wang