This study was supported by the Beijing Municipal Science&Technology Commission(No.Z07000200540704);the China Postdoctoral Science Foundation(No.20090450417)and the Tsinghua Yuyuan Medical Fund.
Amphipathic polymer pullulan acetate (PA)-coated magnetic nanoparticles were prepared and characterized by various physicochemical means. The cytotoxicity and cellular uptake of the magnetic nanoparticles were examine...