PEI (Branched, Mw = 25,000), chloramine-T trihydrate (ch-T), HPAO,
1-butanethiol,
potassium iodide (KI), acetic anhydride (Ac
2O), triethylamine (TEA), phosphate buffered saline (PBS), and
1-ethyl-3-(3-(dimethylamino)propyl) carbodiimide hydrochloride (EDC) were supplied by Sigma-Aldrich (St. Louis, MO). PEG monomethyl ether with one end terminating in a carboxyl group (
mPEG-COOH, Mw = 5000), PEG with one end terminating in a maleimide group and the other in a succinimidyl valerate group (MAL-PEG-SVA, Mw = 5000), and cellulose dialysis membranes were obtained from Shanghai Yanyi Biotechnology Corporation (Shanghai, China). CTX peptide was manufactured by Shanghai Bootech BioScience & Technology Co., Ltd. (Shanghai, China). Na
131I solution was obtained from Shanghai GMS Pharmaceutical Co., Ltd. (Shanghai, China). Disposable PD-10 desalting columns, fluorescein isothiocyanate (FI), cell counting kit-8 (CCK-8), C6 glioma cells, fetal bovine serum (FBS), RPMI 1640 medium, penicillin, and streptomycin were procured from Shanghai Dobio CO., Ltd. (Shanghai, China). HAuCl
4·4H
2O, sodium borohydride (NaBH
4), and all other chemicals and solvents were supplied by Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China).
Zhao L., Li Y., Zhu J., Sun N., Song N., Xing Y., Huang H, & Zhao J. (2019). Chlorotoxin peptide-functionalized polyethylenimine-entrapped gold nanoparticles for glioma SPECT/CT imaging and radionuclide therapy. Journal of Nanobiotechnology, 17, 30.