Abstract: The present invention provides a composition including a polymer nanoparticle and at least one agricultural active compound incorporated with the nanoparticle, wherein the nanoparticle are less than 100 nm in diameter, and the polymer includes a polyelectrolyte.

Abstract: A method for producing a composite nanoparticle, including the steps of, collapsing at least a portion of a polyelectrolyte polymer in solution about one or more precursor moieties to form a composite precursor moiety having a mean diameter in the range between about 1 nm and about 100 nm, wherein the polyelectrolyte polymer has an extended conformation in a first solution state and a more compact conformation in a second solution state; and cross-linking the polyelectrolyte polymer of the composite precursor moiety to form a composite nanoparticle wherein the precursory moiety is a charged organic ion.

Abstract: A method for producing a composite nanoparticle, including the steps of: changing the conformation of a dissolved polyelectrolyte polymer from a first extended conformation to a more compact conformation by changing a solution condition so that at least a portion of the polyelectrolyte polymer is associated with a precursor moiety to form a composite precursor moiety with a mean diameter in the range between about 1 nm and about 100 nm; and cross-linking the polyelectrolyte polymer of the composite precursor moiety to form a composite nanoparticle.

Abstract: A composite nanoparticle comprising a nanoparticle confined within a cross-linked collapsed polyelectrolyte polymer wherein the nanoparticle comprises a charged organic ion.

Abstract: The present invention provides a composition including a polymer nanoparticle and at least one agricultural active compound incorporated with the nanoparticle, wherein the nanoparticle are less than 100 nm in diameter, and the polymer includes a polyelectrolyte.

Abstract: In various aspects provided are methods for producing a nanoparticle within a cross-linked, collapsed polymeric material. In various embodiments, the methods comprise (a) providing a polymeric solution comprising a polymeric material; (b) collapsing at least a portion of the polymeric material about one or more precursor moieties; (c) cross-linking the polymeric material; (d) modifying at least a portion of said precursor moieties to form one or more nanoparticles and thereby forming a composite nanoparticle.

Abstract: In various aspects provided are methods for producing a nanoparticle within a cross-linked, collapsed polymeric material. In various embodiments, the methods comprise (a) providing a shape-static polymer template with a size in the range between about 1 nm to about 100 nm; (b)) incorporating one or more nanoparticle precursor moieties with the shape-static polymer template; and either (c) oxidizing the precursor moieties to form a composite nanoparticle comprising one or more of an inorganic oxide and hydroxide nanoparticle; or (c) adding an ion with an opposite charge polarity to the at least one nanoparticle precursor moieties to effect formation of a composite nanoparticle.

Abstract: In various aspects provided are methods for producing a nanoparticle within a cross-linked, collapsed polymeric material, said method including (a) providing a polymeric solution comprising a polymeric material; (b) collapsing at least a portion of the polymeric material about one or more precursor moieties; (c) cross-linking the polymeric material; (d) modifying at least a portion of said precursor moieties to form one or more nanoparticles and thereby forming a composite nanoparticle. In various embodiments, a non-confined nanoparticle can be produced by complete pyrolysis of the confined nanoparticle, and a carbon-coated nanoparticle by incomplete pyrolysis of the confined nanoparticle.

Abstract: The present invention provides a composition including a polymer nanoparticle and at least one agricultural active compound incorporated with the nanoparticle, wherein the nanoparticle are less than 100 nm in diameter, and the polymer includes a polyelectrolyte.

Abstract: A method includes collapsing a polymer on a precursor moiety including a catalyst to form a composite having the polymer and the precursor moiety; and forming a nanoparticle from the composite.

Abstract: In various aspects provided are methods for producing a nanoparticle within a cross-linked, collapsed polymeric material. In various embodiments, the methods comprise (a) providing a shape-static polymer template with a size in the range between about 1 nm to about 100 nm; (b)) incorporating one or more nanoparticle precursor moieties with the shape-static polymer template; and either (c) oxidizing the precursor moieties to form a composite nanoparticle comprising one or more of an inorganic oxide and hydroxide nanoparticle; or (c) adding an ion with an opposite charge polarity to the at least one nanoparticle precursor moieties to effect formation of a composite nanoparticle.

Abstract: In various aspects provided are methods for producing a nanoparticle within a cross-linked, collapsed polymeric material. In various embodiments, the methods comprise (a) providing a shape-static polymer template with a size in the range between about 1 nm to about 100 nm; (b)) incorporating one or more nanoparticle precursor moieties with the shape-static polymer template; and either (c) oxidizing the precursor moieties to form a composite nanoparticle comprising one or more of an inorganic oxide and hydroxide nanoparticle; or (c) adding an ion with an opposite charge polarity to the at least one nanoparticle precursor moieties to effect formation of a composite nanoparticle.