Patent ID: 8329222

Claim:
A magnetic nanomedicine for tumor suppression and therapy, comprising: a core, made of magnetic particles of diameter less than 10 nm; a shell, encapsulating said core and is made of carboxylated polyaniline(SPAnH); and a tumor suppression medicine, covalently bonded on said shell, wherein said magnetic particles forming said core are selected from a group consisting of: Fe 3 O 4 , Fe 2 O 3 , and Ni 3 , and wherein said shell is composed of carboxylated polyaniline (SPAnH), having the following formula: wherein, R is selected from a group consisting of the following functional groups: H, —COR 1 COO − , —COR 1 COOH, —COR 1 COOLi, —COR 1 COONa, —COR 1 COOK, —COR 1 COONH 4 + , COR 1 CONH 2 , —R 1 COO − , —R 1 COOH, —R 1 COOLi, —R 1 COONa, —R 1 COOK, —R 1 COONH 4 + , and —R 1 CONH 2 ; and R 1 is selected from a group of compounds consisting of: alkane group and vinyl group composed of 2 to 4 carbon atoms.