“…Colloidal solutions of AgNPs were obtained using a procedure published elsewhere (Krutyakov et al 2016a;Krutyakov et al 2016b;Gusev et al 2016). Briefly, 50 mL of an aqueous solution of AgNO 3 (0.395 g, 0.185 mmol) was added dropwise to a 50 mL aqueous solution of a stabilizer under vigorous stirring.…”