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Optical absorption spectra of silver nanoparticles with 10−2 M and 10−1 M procaine, P (A), 10−2 M dibucaine, D (B), and 10−2 M tetracaine, T (C) solutions; volumes (mL) of anesthetic solutions added to 2 ml silver nanoparticles solution are indicated in the inserted frame.
Abbreviations: Ag, silver nanoparticles; AgP, Ag with procaine; AgD, Ag with dibucaine; AgT, Ag with tetracaine; au, arbitrary units.
