Fig. 3From: A magnetic resonance nanoprobe with STING activation character collaborates with platinum-based drug for enhanced tumor immunochemotherapyPreparation and characterization of MnP@Lip nanoparticles. A Schematic illustration of the preparation process of MnP@Lip. B TEM images of MnP NPs and MnP@Lip nanoparticles. C Stability analysis of MnP@Lip nanoparticles in PBS and FBS (n = 3). D Release profiles of MnP@Lip nanoparticles at different pH (n = 3). E Longitudinal relaxivity rate R1 measurement of MnP@Lip nanoparticles (n = 3)Back to article page