Soft Tissue Response to the Presence of Polypropylene-G-Poly(ethylene glycol) Comb-Type Graft Copolymers Containing Gold Nanoparticles
Figure 4
SEM analysis of Au-PP-PEG-2000 (a) and Au-PP-PEG-4000 (b) on the 30th day of implantation (10,000x magnification). There are multiple depressed circular areas on surface of Au-PP-PEG-2000. These areas are transformed into “punched holes” in Au-PP-PEG-4000.
