Fig. 4From: Block copolymer conjugated Au-coated Fe3O4 nanoparticles as vectors for enhancing colloidal stability and cellular uptakeTransfection efficiency (% of cells transfected) of EC109 cells treated with pEGFP-C1 and magnetic nanoplexes with or without application of a magnetic field, PEI (25 kD) and Lipo2000 at various incubation times (a); fluorescence microscope images of the EC109 cells in a at 1 h of incubation (b). Values represent mean (SD [n = 3])Back to article page