Cerium nitrate hexahydrate (CeCl
3·6H
2O, AR), urea (AR), citric acid (CA, AR), hydrogen peroxide (H
2O
2, AR), potassium persulfate (K
2S
2O
8, AR), sodium phosphate dibasic dodecahydrate (Na
2HPO
4·2H
2O, AR), potassium dihydrogen phosphate (KH
2PO
4, AR), N-hydroxysuccinimide (NHS, AR), 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide (EDC, AR), and mercuric chloride (HgCl
2, AR) were obtained from Aladdin Biochemical Technology Co., Ltd. (Shanghai, China).
Cadmium nitrate (Cd(NO
3)
2, AR), sodium chloride (NaCl, AR),
sodium nitrate (NaNO
3, AR),
barium chloride (BaCl
2, AR),
lead nitrate (Pb(NO
3)
2, AR),
cobalt chloride (CoCl
2, AR),
sodium sulfate decahydrate (Na
2S·9H
2O, AR), and sodium sulfate (Na
2SO
4, AR) were purchased from Sinopharm Chemical Reagents Co., Ltd. (Tianjin, China). The Hg
2+ aptamer (5′-COOH-(CH
2)
6-TTTTTTTTTTTT-3′) was synthesized by Shanghai Sangon Biotechnology Co., Ltd. (Shanghai, China). The reagents used in this study were not subjected to purification treatment unless otherwise specified. The solutions involved were all prepared with ultrapure water (18.25 MΩ cm).
Tian C., Tang F., Guo W., Wei M., Wang L., Zhuang X, & Luan F. (2023). Electrochemiluminescence Sensor Based on CeO2 Nanocrystalline for Hg2+ Detection in Environmental Samples. Molecules, 29(1), 1.