NEAR-IR INDOCYANINE GREEN DOPED MULTIMODAL SILICA NANOPARTICLES AND METHODS FOR MAKING THE SAME

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United States of America Patent

APP PUB NO 20130108552A1
SERIAL NO

13582226

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Abstract

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The subject invention provides novel fluorescent core-shell nanoparticles comprising an encapsulated fluorescent core comprising an ionically bound fluorescent dye and a metal oxide shell. In one exemplary embodiment of the invention a core containing indocyanine green (ICG) with a silica shell that displays excellent photostability for generation of a near infrared fluorescence signal. The fluorescent core-shell nanoparticle can be further modified to act as an MRI, x-ray, or PAT contrast agent. The ICG nanoparticles can also be used as photodynamic therapeutic agent. Other embodiments of the invention directed to methods of making the novel core-shell nanoparticles and to the use of the core-shell nanoparticles for in vitro or in vivo imaging.

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Patent Owner(s)

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UNIVERSITY OF FLORIDA RESEARCH FOUNDATION INC223 GRINTER HALL GAINESVILLE FL 32611

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bengtsson, Niclas Lake Forest Park, US 4 129
Brown, Scott Chang Hockessin, US 4 100
Grobmyer, Stephen R Gainesville, US 5 100
Iwakuma, Nobutaka Kurume, JP 1 3
Moudgil, Brij M Gainesville, US 41 286
Santra, Swadeshmukul Orlando, US 52 1013
Scott, Edward W Gainesville, US 13 688
Sharma, Parvesh Gainesville, US 13 114
Walter, Glenn A Newberry, US 4 126

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