Absolute ethanol

Toluene, acetic acid (CH₃COOH), cuprous iodide (CuI) and sodium chlorite were purchased from Kermel (Tianjin, China). N, N-Dimethylformamide (DMF), anhydrous magnesium sulfate, dichloromethane (CH₂Cl₂) and methanol (CH₃OH) were obtained from Fuyu (Tianjin, China). Tetrahydrofuran, anhydrous ferric chloride, absolute ethanol, rhodamine B (RhB) and potassium bromide (KBr) were purchased from J&K Scientific (Beijing, China). Tris(4-bromophenyl)amine (98%), carbazole (97%), 1,10-phenanthroline (99%) and potassium carbonate (99.9%) were sourced by Xianding (Shanghai, China). All other reagents utilized in the experiment were of analytical grade.

Toluene, acetic acid (CH₃COOH), cuprous iodide (CuI) and sodium chlorite were purchased from Kermel (Tianjin, China). N, N-Dimethylformamide (DMF), anhydrous magnesium sulfate, dichloromethane (CH₂Cl₂) and methanol (CH₃OH) were obtained from Fuyu (Tianjin, China). Tetrahydrofuran, anhydrous ferric chloride, absolute ethanol, rhodamine B (RhB) and potassium bromide (KBr) were purchased from J&K Scientific (Beijing, China). Tris(4-bromophenyl)amine (98%), carbazole (97%), 1,10-phenanthroline (99%) and potassium carbonate (99.9%) were sourced by Xianding (Shanghai, China). All other reagents utilized in the experiment were of analytical grade.

Poly(4-vinylpyridine) resin (25% cross-linkage, 10‒50 mesh) was purchased from Sigma-Aldrich Company in Shanghai, China. Commercial resins of D201, D205, D213, D314, D319 and D730 were provided by Zhengguang Industrial Co., Ltd. in Zhejiang, China. Tetraphenylboron sodium standard solution (TS) was purchased from Huaian Huake Chemical Co., Ltd. in Jiangsu, China. Iodomethane, 1-iodohexane, methanol, absolute ethanol, acetone, acetonitrile, cetyltrimethylammonium bromide (CTAB), formaldehyde solution (33 wt.%), sodium hydroxide and titan yellow were all chased from J&K Company in Beijing, China. All the above reagents were of analytical grade, and used without further purification. Escherichia coli (E. coli, ATCC8099) and Staphylococcus aureus (S. aureus, ATCC25923) were purchased from Guangdong Huankai Microbial Sci. & Tech. Co., Ltd. in Guangzhou, China.