Yazar "Bicer, E" için listeleme
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Application of square-wave adsorptive stripping voltammetry to the study of cysteine and its interaction with some monosaccharides
The square-wave adsorptive stripping voltammetric behaviour of cysteine at the physiological pH (7.40) has been optimised with respect to accumulation time, accumulation potential, scan rate and drop size. This study ... -
Binary and ternary complexes of Cu(II) ions with saccharin and cysteine
The square-wave voltammetric behaviour of cysteine and saccharin was studied at a static mercury drop electrode at pH 7.4 in the presence of Cu(II) ions. In the presence of excess Cu(II), cysteine exhibited three reduction ... -
Crystal structure of Di(saccharinato-O)lead(II)-nicotinamide hemihydrate
Naumov, P; Cakir, S; Bulut, M; Bicer, E; Cakir, O; Jovanovski, G; Ng, SW (Freund Publishing House Ltd, 2002)In the lead disaccharinate-nicotinamide complex, the lead atom is covalently bonded to two carbonyl oxygen atoms. It is coordinated by the bridging nicotinamide molecule through the amido oxygen and pyridyl nitrogen atoms; ... -
Diaquabis(nicotinamide)bis(o-sulfobenzimidato-N)-cadmium(II)
Cakir, S; Naumov, P; Bulut, I; Bicer, E; Cakir, O; Jovanovski, G; Ng, SW (Munksgaard Int Publ Ltd, 2001)The Cd atom in the title compound, [Cd(C7H4NO3S)(2) (C6H6N2O)(2) (H2O)(2)], lies on an inversion centre and is six-coordinate in an all-trans octahedral geometry. Hydrogen bonds involving a water molecule and the amido ... -
Electrochemical and spectroscopic study of 4-(phenyldiazenyl)-2-{[tris(hydroxymethyl)methyl]aminomethylene}cyclohexa-3,5-dien-1(2H)-one. Mechanism of the azo and imine electroreduction
Cakir, S; Bicer, E; Odabaşoğlu, Mustafa; Albayrak, C (Soc Brasileira Quimica, 2005)Newly synthesized 4-(phenyldiazenyl)-2-{[tris(hydroxymethyl)methyl]aminomethylene} cyclohexa-3,5-dien-1(2H)-one was characterized by elemental analysis, FT-IR, NMR, electronic spectra, voltammetry. Tautomeric equilibrium ... -
Electrochemical monitoring of the interaction of cisplatin with cystine and ascorbic acid
The interaction of cisplatin with cystine (RSSR) and ascorbic acid (AA) has been investigated in aqueous solution at physiological pH, using drug concentration of 0.835 x 10(-6) M to 46.76 x 10(-6) M with RSSR concentration ... -
Electrochemical study of cystine in the presence of cadmium and folic acid
The cyclic voltammetric behaviour of cystine (RSSR) was studied on a static mercury drop electrode (SMDE) in the hanging mercury drop elecrode (HMDE) mode at pH 7.4. RSSR gave two peaks at -0.106 V (mercuric cysteine ... -
Electrochemical study of the interaction of nicotinamide with tryptophan in the presence and absence of nickel(II)
The interaction of nicotinamide with tryptophan in the presence and absence of nickel(II) in 0.1 M ammonium tartrate (pH 8.94) has been examined by voltammetric techniques. Tryptophan gave a catalytic hydrogen peak at -1.12 ... -
The interaction of cysteine with chromium(VI) ions under UV irradiation
In 0.1 M phosphate buffer (pH 7.2), the interaction of chromium(VI) with cysteine in the presence and absence of UV irradiation was studied by cyclic voltammetry and electronic spectroscopy techniques. The reduction of ... -
A polarographic and voltammetric study of the copper-phenazopyridine monohydrochloride system in phosphate buffer medium
The electrochemical behavior of copper complexed with phenazopyridine monohydrochloride (2,6-diamino 3-phenylazo-pyridine monohydrochloride, pyridium) has been studied in 0.1 M phosphate buffer (pH 6.0). It was observed ... -
Spectroscopic and polarographic studies of novel imidazole adduct of ammonium trioxovanadate(V). A solution and solid state study
Complex formation between ammonium trioxovanadate(V) and imidazole has been studied and characterized by FT IR, UV/Vis, thermal analysis (TG, DTA, DTG) and polarographic techniques. Species formed in solid phase yield a ... -
Square-wave adsorptive stripping voltammetric behaviour of fresh and aged cystine solutions at physiological pH
Different cathodic square-wave stripping voltammetric behaviour for fresh and aged cystine solutions at slightly alkaline buffered medium (pH 7.4) is observed at distinct pH values. The fresh solutions of cystine at pH 7.4 ... -
Structural features of a new [Fe(nicotinamide)(2)(H2O)(4)]center dot[Fe(H2O)(6)]center dot (SO4)(2)center dot 2H(2)O complex
A new nicotinamide complex of Fe(H) cation was prepared by reaction between ferrous sulfate and nicotinamide in aqueous solution. The complex was characterized on the basis of elemental analysis, FT IR and UV-VIS spectroscopy, ... -
Synthesis and spectroscopic studies of novel Cu(II), Co(II), Ni(II) and Zn(II) mixed ligand complexes with saccharin and nicotinamide
Four novel mixed ligand complexes of Cu(II), Co(II), Ni(II) and Zn(ll) with saccharin and nicotinamide were synthesised and characterised on the basis of elemental analysis, FT-IR spectroscopic study, W-Vis spectrometric ... -
Synthesis and spectroscopic studies of the nicotinamide adducts of cobalt(II), nickel(II) and zinc(II) chlorides
Cakir, S; Bicer, E; Icbudak, H; Naumov, P; Korkmaz, H; Cakir, O (Polish Chemical Society, 2001)Nicotinamide (na) adducts of Co(II), Ni(II) and Zn(II) chlorides are synthesized and characterized by thermoanalytical methods (TG, DTG, DTA), FT IR (4000-400 cm(-1)) and UV/Vis spectroscopy. Structural similarity is ... -
Synthesis, spectroscopic and thermal studies of the copper(II) aspartame chloride complex
Cakir, S; Coskun, E; Naumov, P; Bicer, E; Bulut, I; Icbudak, H; Cakir, O (Elsevier Science Bv, 2002)Aspartame adduct of copper(II) chloride Cu(Asp)(2)Cl-2-2H(2)O (Asp= aspartame) is synthesized and characterized by elemental analysis, FT IR, UV/vis, ESR spectroscopies, TG, DTG, DTA measurements and molecular mechanics ... -
Synthesis, spectroscopic and voltammetric studies of a novel dioxovanadate(V) 8-hydroxyquinoline complex
A novel solid oxovanadium(V) complex, monoaqua(8-hydroxyquinolinato)dioxovanadium(V), VO2(H2O)(Q) (Q=8-hydroxyquinolinate ion) was synthesized and characterized by FTIR and UV/Vis spectroscopy, voltammetric measurements ... -
Synthesis, spectroscopic and voltammetric studies of mixed-ligand copper(II) complexes of amino acids
Two Cu-II complexes of the type [Cu(L-1)(L-2)] (where L-1 = tryptophanate or phenylalaninate; L-2 = cysteine thiolate) have been prepared and characterised, and their spectrophotometric and voltammetric behaviour has been ... -
Voltammetric and polarographic studies of eriochrome Black T-nickel(II) complex
Cakir, O; Coskun, E; Bicer, E; Cakir, S (Scientific Technical Research Council Turkey-Tubitak, 2001)The electrochemical behaviour of complexes of Eriochrome Black T (EBT) with Ni(II) was studied, It was observed that EBT forms 1:1 and 1:2 complexes with Ni(II) in 0.1 M phosphate buffer at pH 6.0 by using Square-wave ... -
Voltammetric and spectroscopic behaviour of the copper adducts of thiol and thioether ligands under aerobic and anaerobic conditions
Joint spectroscopic (ESR, electronic absorption and FT IR) and voltammetric (square-wave and cyclic voltammetry) techniques were employed to investigate the properties of copper adducts with cysteine, N-acetylcysteine and ...
