Tryptone

Agar powder, tryptone, 1,1-diphenyl-2-trinitrophenylhydrazine (DPPH), glutathione and 2′,7′-Dichlorofluorescein were purchased from Solarbio Co. (Beijing, China). Cholesterol, paraquat and Vitamin C (Vc) were purchased from Sigma-Aldrich (St. Louis, MO). Methanol was purchased from Merck KGaA (Germany). Biowest Agarose was purchased from wobisen technology co. (Beijing, China). All the other chemicals were standard commercial products of analytical-reagent grade.

Petroleum ether (PE), sodium
carbonate (Na₂CO₃), anhydrous ethanol, sodium
chloride (NaCl), and isopropyl alcohol were obtained from Sinopharm.
Lithium bromide (LiBr) and Span-80 were purchased from Aladdin. Branched
polyethylenimine (PEI, Mw ∼ 25,000) was acquired from Sigma-Aldrich.
Polyethylene glycol 8000 (PEG-8000), vancomycin, yeast extract, tryptone,
agar power, DNase I, phosphate-buffered saline (PBS), penicillin/streptomycin,
and a CCK-8 assay kit (CA1210) were purchased from Solarbio. A live/dead
staining kit (L34951) was obtained from Thermo Fisher Scientific.
FITC and rhodamine B were purchased from Macklin.

Silver nitrate, sodium chloride, and N, N-dimethylformamide (DMF) were purchased from Sinopharm Chemical Reagent Co., Ltd. Curcumin (Cur), polycaprolactone (PCL, Mw = 8×10⁴), and polyvinylpyrrolidone K-90 (PVP, Mw = 1.3×10⁶) were obtained from Dalian Meilun Biological Co., Ltd. Chloroform (CHCl₃) was bought from Laiyang Kangde Chemical Co., Ltd., and ethanol (C₂H₅OH) was purchased from Tianjin Fuyu Fine Chemical Co., Ltd. Beef extract was obtained from Beijing Obosing Biotechnology Company. Tryptone was bought from OXOID, and agar powder was purchased from Solarbio. Staphylococcus aureus and Escherichia coli were obtained from Beijing Beina Chuanglian Institute of Biotechnology. Methicillin-resistant Staphylococcus aureus was purchased from Shanghai Biotechnology Center, and 2, 2, 6, 6-Tetramethylpiperidine (TEMP) was bought from Tongren Institute of Chemistry.