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

Figure 5

Concentration of silver (Ag⁺) obtained through inductively coupled plasma optical emission spectrometry (ICP-OES) of the liquid extract obtained by the immersion for 24 hours in distilled water of NR and NR/Ag films obtained with different reductions times.