Fig. 1From: An injectable photo-cross-linking silk hydrogel system augments diabetic wound healing in orthopaedic surgery through spatiotemporal immunomodulationCharacterization of the synthesized nanoparticles. SEM micrographs showed the average particle size of a MSN and b MET@MSNs (Scale bar: 200 μm). BET and BJH indicated the surface area and pore diameter of c MSN and d MET@MSNs. e FT-IR spectra of MSN, Met, and MET@MSNsBack to article page