期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 28, 期 7, 页码 816-821出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200600873
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The preparation of polypyrrole/Fe3O4 nanospheres by a facile mini-emulsion polymerization method is investigated using poly(ethylene glycol), poly(ethylene oxide), poly(vinyl alcohol), and hyaluronic acid as, surfactants. Hyaluronic acid is deemed the most suitable surfactant since it results in well-dispersed nanospheres of 80-100 nm, and offers the advantages of biocompatibility, cell adhesive property, and the availability of functional groups for attachment of other molecules. These polypyrrole/Fe3O4 nanospheres are magnetic and can be further functionalized with a cancer antibody, herceptin. Our results show that this combination of hyaluronic acid and herceptin results in high specific uptake of the nanospheres by cancer cells.
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