Patent ID: 7811550
Filing Date: 2010-10-12
Classification: A61K,B82Y,G01N,Y10T

Abstract:
1. A method for making a hybrid magnetic semiconductor having a magnetic metal core and fluorescent semiconductor shell structure, comprising: (a) making a micelle composition by mixing an aqueous ferromagnetic metal salt solution and a surfactant in an organic solvent; (b) making a micelle composition by mixing an aqueous reducing agent solution and a surfactant in an organic solvent; (c) mixing the micelle compositions of (a) and (b) wherein the reduction of said metal salt to said magnetic metal core is effected; (d) functionalizing said magnetic metal core by treating with a sulfide to form metal sulfide seed crystals; (e) reacting said functionalized magnetic metal core with a fluorescent semiconductor material to form a fluorescent semiconductor shell on said magnetic metal core; and (f) resulting in a hybrid magnetic semiconductor having a magnetic metal core and fluorescent semiconductor shell structure.