Fig. 2From: IGF1 receptor-targeted black TiO2 nanoprobes for MRI-guided synergetic photothermal-chemotherapy in drug resistant pancreatic tumorCharacterization of physical and chemical properties of bTiO2-Gd-IGF1-GEM nanoprobes. a TEM images of bTiO2-Gd, bTiO2-Gd-PDA and bTiO2-Gd-IGF1. b–e Particle sizes, zeta potentials, FTIR spectra and UV–Vis absorption spectra of the nanoprobesBack to article page