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Saghatforoush, Lotfali.,Hasanzadeh, Mohammad.,Karim-Nezhad, Ghasem.,Ershad, Sohrab.,Shadjou, Nasrin.,Khalilzadeh, Balal.,Hajjizadeh, Maryam. Korean Chemical Society 2009 Bulletin of the Korean Chemical Society Vol.30 No.6
Electrocatalytic oxidation of two anti-inflammatory drugs (Mefenamic acid and Indomethacin) was investigated on a cobalt hydroxide modified glassy carbon (CHM-GC) electrode in alkaline solution. The process of oxidation and its kinetics were established by using cyclic voltammetry and chronoamperometry techniques as well as steady state polarization measurements. Voltammetric studies indicated that in the presence of under study drugs, the anodic peak current of low-valence cobalt species increased, followed by a decrease in the corresponding cathodic current. This result indicates that the drugs were oxidized via cobalt hydroxide species immobilized on the electrode surface via an E$\acute{C}$ mechanism. A mechanism based on the electrochemical generation of Co (IV) active sites and their subsequent consumption by the drugs in question was also investigated. The constants rate of the catalytic oxidation of the drugs and the electron-transfer coefficients reported.
Lotfali. Saghatforoush,Mohammad. Hasanzadeh,Ghasem. Karim-Nezhad,Nasrin. Shadjou,Sohrab. Ershad,Nasrin. Shadjou,Balal. Khalilzadeh,Maryam. Hajjizadeh 대한화학회 2009 Bulletin of the Korean Chemical Society Vol.30 No.6
Electrocatalytic oxidation of two anti-inflammatory drugs (Mefenamic acid and Indomethacin) was investigated on a cobalt hydroxide modified glassy carbon (CHM-GC) electrode in alkaline solution. The process of oxidation and its kinetics were established by using cyclic voltammetry and chronoamperometry techniques as well as steady state polarization measurements. Voltammetric studies indicated that in the presence of under study drugs, the anodic peak current of low-valence cobalt species increased, followed by a decrease in the corresponding cathodic current. This result indicates that the drugs were oxidized via cobalt hydroxide species immobilized on the electrode surface via an EĆ mechanism. A mechanism based on the electrochemical generation of Co (IV) active sites and their subsequent consumption by the drugs in question was also investigated. The constants rate of the catalytic oxidation of the drugs and the electron-transfer coefficients reported.
Mohammad. Hasanzadeh,Nasrin. Shadjou,Lotfali. saghatforoush,Balal. Khalilzadeh,Isa. Kazeman 대한화학회 2009 Bulletin of the Korean Chemical Society Vol.30 No.12
Copper-dimethylglyoxime complex (CuDMG) modified Copper electrode (Cu/CuDMG) showed a catalytic activity towards cyclohexanol oxidation in NaOH solution. The modified electrode prepared by the dimethylglyoxime anodic deposition on Cu electrode in the solution contained 0.20 M NH4Cl + NH4OH (pH 9.50) and 1 × 10-4 M dimethylglyoxime. The modified electrode conditioned by potential recycling in a potential range of ‒900 ~ 900 mV vs. Ag/AgCl by cyclic voltammetry in alkaline medium (1 M NaOH). The results show that the CuDMG film on the electrode behaves as an efficient catalyst for the electro-oxidation of cyclohexanol in alkaline medium via Cu (III) species formed on the electrode.
Hasanzadeh, Mohammad.,Shadjou, Nasrin.,Saghatforoush, Lotfali.,Khalilzadeh, Balal.,Kazeman, Isa. Korean Chemical Society 2009 Bulletin of the Korean Chemical Society Vol.30 No.12
Copper-dimethylglyoxime complex (CuDMG) modified Copper electrode (Cu/CuDMG) showed a catalytic activity towards cyclohexanol oxidation in NaOH solution. The modified electrode prepared by the dimethylglyoxime anodic deposition on Cu electrode in the solution contained 0.20 M $NH_4Cl\;+\;NH_4OH\;(pH\;9.50)\;and\;1\;{\times}\;10^{-4}$ M dimethylglyoxime. The modified electrode conditioned by potential recycling in a potential range of -900${\sim}$900 mV vs. Ag/AgCl by cyclic voltammetry in alkaline medium (1 M NaOH). The results show that the CuDMG film on the electrode behaves as an efficient catalyst for the electro-oxidation of cyclohexanol in alkaline medium via Cu (III) species formed on the electrode.
Shahriare Ghammamy,Zahra Javanshir,Kheyrollah Mehrani,LotfAli Saghatforoush,Seyedabolfazl Seyedsadjadi,Ali Hassanijoshaghani 대한화학회 2008 Bulletin of the Korean Chemical Society Vol.29 No.8
Tetrabutylammonium Fluorodichloroplumbate(II), N(C4H9)4[PbCl2F], TBAFDiCP and Tetrabutylammonium Fluorodiiodoplumbate(II), [(C4H9)4N][PbI2F], TBAFDiIP are the first examples of fluoroplumbate salts that have been prepared from the reaction of (C4H9)4NF with PbCl2 and PbI2 respectively using either CH3CN solvent. These new compound characterized by elemental analysis, IR, UV/Visible, 1H NMR, and 19F NMR techniques.
Javanshir, Zahra,Mehrani, Kheyrollah,Ghammamy, Shahriare,Saghatforoush, LotfAli,Seyedsadjadi, Seyedabolfazl,Hassanijoshaghani, Ali,Tavakol, Hossein Korean Chemical Society 2008 Bulletin of the Korean Chemical Society Vol.29 No.8
Tetrabutylammonium Fluorodichloroplumbate(II), N$(C_4H_9)_4$[$PbCl_2F$], TBAFDiCP and Tetrabutylammonium Fluorodiiodoplumbate(II), [$(C_4H_9)_4$N][$PbI_2F$], TBAFDiIP are the first examples of fluoroplumbate salts that have been prepared from the reaction of $(C_4H_9)_4$NF with $PbCl_2$ and $PbI_2$ respectively using either $CH_3CN$ solvent. These new compound characterized by elemental analysis, IR, UV/Visible, $^1H$ NMR, and $^{19}F$ NMR techniques.