Silver Nanoparticles Embedded in Natural Rubber Films: Synthesis, Characterization, and Evaluation of In Vitro Toxicity

Figure 6

MTT test for liquid extract obtained by immersion for 24 hours in distilled water of NR and NR/Ag films. Image of CHO-K1 cell exposed to liquid extract of NR film at time zero (a) and image of CHO-K1 cell after 24 hours of exposure (b).