Fig. 3From: Preparation and PET/CT imaging of implant directed 68Ga-labeled magnetic nanoporous silica nanoparticlesFT-IR spectra of unmodified MNPSNP (black), MNPSNP@THP (red) and MNPSNP@THP-1kmPEG (blue) (a); Nitrogen physisorption isotherms of unmodified MNPSNP, MNPSNP@THP and MNPSNP@THP-1kmPEG (b), filled squares: adsorption and empty squares desorption isothermBack to article page