Multifunctional nanoparticles were prepared by directly welding superparamagnetic Fe3O4 nanoparticles and Au shells together with highly cross-linked polyphosphazene as "glue" in a facile but effective way. The as-prepared particles can simultaneously take advantages of both magnetization of Fe3O4 core for magnetic resonance imaging diagnosis and strong near-infrared absorption of Au nanoshell for photothermal therapy.
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Hu et al. (2013) studied this question.
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