In this paper,it was found that Ru（H_2bpp）_2（PF_6）2（H_2bpp = 2,6-bis（pyrazol-3-yl）pyridine） complex had excellent electrochemical activity at the carbon paste electrode in the buffer solution of Tris-HCl（pH ...In this paper,it was found that Ru（H_2bpp）_2（PF_6）2（H_2bpp = 2,6-bis（pyrazol-3-yl）pyridine） complex had excellent electrochemical activity at the carbon paste electrode in the buffer solution of Tris-HCl（pH 7.0） with a couple reversible redox peaks at 0.296 V and 0.348 V,respectively.Voltammetry was used to investigate the electrochemical behavior of Ru（H_2bpp）_2（PF_6）_2 and the interaction between Ru（H_2bpp）_2（PF_6）_2 and bovine serum albumin（BSA）.In the present of BSA,the oxidation peak current of Ru（H_2bpp）_2（PF_6）_2 complex was decreased linearly and the decrease of oxidation peak current of Ru（H_2bpp）_2（PF_6）_2 is proportional to BSA concentration from 0.1 to 2.5 mg/L with a detection limit 0.02 mg/L.展开更多
基金financially supported by the National Nature Sciences foundation of China(No.20801013)the Innovation Foundation for Young Technological Talents of Fujian Province(No.2007F3050)+1 种基金the projectsponsored by SRF for ROCS,SEM(No.LXKQ0830)Fuzhou University(No.XRC-0723)
文摘In this paper,it was found that Ru（H_2bpp）_2（PF_6）2（H_2bpp = 2,6-bis（pyrazol-3-yl）pyridine） complex had excellent electrochemical activity at the carbon paste electrode in the buffer solution of Tris-HCl（pH 7.0） with a couple reversible redox peaks at 0.296 V and 0.348 V,respectively.Voltammetry was used to investigate the electrochemical behavior of Ru（H_2bpp）_2（PF_6）_2 and the interaction between Ru（H_2bpp）_2（PF_6）_2 and bovine serum albumin（BSA）.In the present of BSA,the oxidation peak current of Ru（H_2bpp）_2（PF_6）_2 complex was decreased linearly and the decrease of oxidation peak current of Ru（H_2bpp）_2（PF_6）_2 is proportional to BSA concentration from 0.1 to 2.5 mg/L with a detection limit 0.02 mg/L.
