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In this review, we summarized recent advances in the development and biological applications of polymeric nanoparticles embedded with superparamagnetic iron oxide nanoparticles (SPIONs). Superparamagnetic polymeric nanoparticles include core-shell nanoparticles, superparamagnetic polymeric micelles and superparamagnetic polymersomes. They have potential for various biomedical applications, including magnetic resonance imaging (MRI) contrast agents, drug delivery, detection of bacteria, viruses and proteins, etc. Finally, the challenges in the design and preparation of superparamagnetic nanoparticles towards clinical applications are explored and the prospects in this field are proposed.
Xiao et al. (Mon,) studied this question.