The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 28, 2013
Filed:
Dec. 08, 2010
Hsing-wen Sung, Hsinchu, TW;
Hosheng Tu, Newport Beach, CA (US);
Hsing-Wen Sung, Hsinchu, TW;
Hosheng Tu, Newport Beach, CA (US);
GP Medical, Inc., Newport Beach, CA (US);
National Tsing Hua University, Hsinchu, TW;
Abstract
The invention discloses a pharmaceutical composition of multifunctional core-shell nanoparticles, each nanoparticle comprising: a core portion comprised of hydrophobic poly(D,L-lactic-co-glycolic acid) (PLGA) and a detection-enhancing substance, and a shell portion comprised of positively charged chitosan adapted to cause no aggregation of nanoparticles due to electrostatic repulsion between the positively charged nanoparticles. In one embodiment, the detection-enhancing substance includes SPIO, a quantum dot, a fluorescent quantum dot, a bubble, an air bubble, and the like.