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Silver ion release from AION and AgNP when incubated in (A) DI water and (B) citrate buffer (pH 5.5) at 37 °C over a period of 7 days. Viability of (C) HepG2 and (D) J774A.1 cells when incubated with AgNP and AION for 24 hours. Error bars are one standard deviation. Some error bars are hidden by the data point marker. * indicates P < 0.05 (unpaired Student’s t-test).
