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Examples of silk bionanocomposites. Scanning Electron Microscopy view of electrospun silk fibers (A) with gold nanoparticles (Au NPs) (B), iron oxide nanoparticles (IONPs) (C) or silver nanoparticles (Ag NPs) [(E–G), STEM-EDS with elemental mapping]. Macroscopic view of electrospun scaffolds (D) and sponges (H) with gold (Au NPs) and iron oxide nanoparticles (IONPs).
