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. 2019 Dec 29;9(1):89. doi: 10.3390/jcm9010089

Figure 1.

Figure 1

Multimodal nanoparticles. (A) Multimodal nanoparticle composed by a core (representing the magnetic resonance imaging (MRI) component) and a shell functionalized with an antibody. The positron emission tomography (PET) radiotracer is chelated and bound to the spacer. (B) A polymeric nanoparticle entrapping paramagnetic moieties is represented, where the PET radiotracer is chelated and bound to the spacer. (C) Liposomal formulation entraps paramagnetic moieties in the aqueous inner core, while the PET component is covalently linked to the spacer. (D) Liposomal formulation with paramagnetic ion inserted in the bilayer.