acid (HAuCl4·3H2O), sodium citrate tribasic
dihydrate, and 2′,7′-dichlorofluorescein
diacetate (DCFH-DA) were purchased from Sigma-Aldrich. Dulbecco’s
modified Eagles’ medium (DMEM), fetal bovine serum (FBS), MEM
nonessential amino acid solution,
mixed solution,
(PBS) solutions were purchased from Nacalai Tesque. Calcein-AM and
propidium iodide (PI) solutions were purchased from Dojindo. 10% ammonia
solution, tert-butyl hydroperoxide (tBHP),
were acquired from FUJIFILM Wako Pure Chemical Corporation.