Chloroauric acid tetrahydrate haucl4 4h2o

GSH, dimethyl sulfoxide (DMSO), CCK-8, Hoechst 33,342, fluorescein isothiocyanate (FITC), and Rhodamine B (Rh B) were purchased from Shenggong Bioengineering (Shanghai) Co., Ltd. Chloroauric acid tetrahydrate HAuCl₄ 4H₂O and phosphate buffered saline (PBS) were purchased from Sigma-Aldrich (Shanghai) Trading Co., Ltd., and Abison (Shanghai) Biotechnology Co., Ltd., respectively. DMEM high-glucose medium, fetal bovine serum (FBS), and 0.25% trypsin were purchased from Gibco, United States. Penicillin and streptomycin were purchased from HyClone.

Commercially obtained Epikote-1001 × − 75% (2642) epoxy together with crayamid—100% (2580) epoxy hardener was applied as pure epoxy resin; they were also used as obtained without additional purification. Epikote:crayamid (1:1) weight by weight was adjusted as the exact mixing ratio for pure epoxy processing and fabrication. Spectroscopic grade chloroform was obtained from Sigma-Aldrich and used without any additional purification. Furthermore, GNS, dopamine and chloroauric acid tetrahydrate (HAuCl₄·4H₂O) were also purchased from Sigma-Aldrich and were also used as received. Any other chemicals or materials used were also obtained from a known source, besides, were used as received.