Fig. 1
From: Cartilage targeting therapy with reactive oxygen species-responsive nanocarrier for osteoarthritis
Preparation and characterization of MSN-OL. A Synthesis and 1H-NMR characterization of mPEG-TK. B Fabrication process and digital photos of the MSN-OL in the reaction process. C TEM and SEM were used to observe the morphology of the nanoparticles. D The zeta potential and dynamic light scattering characteristics of MSN-OL. E HPLC results of drug loading rate and encapsulation rate of MSN-OL. F OL releasing curve was evaluated with or without the treatment of hydrogen peroxide