Controllable labelling of stem cells with a novel superparamagnetic iron oxide-loaded cationic nanov

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  Objective To investigate the feasibility of highly efficient and controllable stem cell labelling for cellular MRI.Methods A new class of cationic,superparamagnetic iron oxide nanoparticles (SPION)-loaded nanovesicles was synthesised to label rat bone marrow mesenchymal stem cells (MSC) without secondary transfection agents.
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