Abstract
Well-defined cationic polymers were synthesized via the reversible addition fragmentation chain transfer polymerization and were subsequently used as stabilizer for the synthesis of cationic iron-oxide magnetic nanoparticles via the coprecipitation method. The surface-coated iron-oxide nanoparticles made stable suspension in water and were characterized by a range of techniques such as dynamic light scattering, transmission electron microscopy, and thermogravimetric analysis. The presence of protonated amine and carbohydrate residues onto the surface of the nanoparticles allowed their facile complexation with DNA and the resulting nanocomplexes were then studied for their efficacy as DNA carriers in Hep G2 cells.
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