Figure 5. Normalized S. aureus growth in supernatant after 24h in contact with Gelatin NPs composite hydrogel loaded with NPs (Gel-PDA-PAR30) at different dilutions (n=3 and error bars correspond to standard deviations). B) SEM images of Gelatin vs Gel-PDA-PAR30 1:4 (NPs diluted 4 times in the hydrogel matrix) after 24 hours of exposition with S. aureus.