Yazar "Cakir, S" 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 ... -
Coordination of deprotonated saccharin in copper(II) complexes. Structural role of the saccharinate directed by the ancillary N-heterocyclic ligands
Naumov, P; Jovanovski, G; Ristova, M; Razak, IA; Cakir, S; Chantrapromma, S; Ng, SW (Wiley-Blackwell, 2002)Four different coordination patterns were observed following the partial or complete thermodynamically-controlled ligand substitution of the hydrated tetraaquabis(o-sulfobenzimidato-N)copper(II) complex with heterocyclic ... -
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 ... -
The effect of pre-operative conventional and hyperfractionated radiotherapy schedules on wound healing and tensile strength in rats: an experimental study
We examined the effects of pre-operative conventional and hyperfractionated radiotherapy schedules on wound healing and tensile strength in 90 female Wistar rats weighing between 182 and 240 g. The animals were randomized ... -
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 and thermal studies of the ternary complex of Cu(II) with saccharin and nicotinamide
The electrochemical behaviour and thermal decomposition of a ternary complex of Cu(II) with saccharin and nicotinamide have been investigated by means of voltammetric (square-wave and cyclic voltammetry). spectroscopic and ... -
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 ... -
HLA alleles and lung cancer in a Turkish population
Ozbek, N; Birinci, A; Karaoglanoglu, O; Coban, AY; Okumus, B; Cakir, S; Durupinar, B (K Faisal Spec Hosp Res Centre, 2004)Background: The concept of genetic factors playing a role in the pathogenesis of lung cancer has gained increased attention. The present,study was undertaken to examine the question of HLA association with lung cancer and ... -
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 ... -
Multivariate-Analysis of Prognostic Factors in 75 Patients With Soft-Tissue Sarcoma
Cakir, S; Dincbas, Fo; Uzel, O; Koca, Ss; Okkan, S (Elsevier Sci Publ Ireland Ltd, 1995)The results of 75 patients with soft-tissue sarcomas treated by the combination of local surgical excision plus postoperative radiotherapy are reported. Thirty-five tumors were situated in the extremities, 32 in the trunk, ... -
Prognostic significance of seizure in patients with glioblastoma multiforme
Background: Several prognostic factors have been described but there are few studies evaluating the prognostic importance of seizure in patients with glioblastoma multiforme (GBM). Aims: To evaluate the prognostic importance ... -
A randomised clinical trial of radiotherapy plus cisplatin versus radiotherapy alone in stage III non-small cell lung cancer
This study was designed to compare high-dose fractionated radiotherapy atone versus the same radiotherapy plus cisplatin in stage III non-small cell lung cancer (NSCLC). We randomly assigned 176 patients with stage III ... -
The sequencing of radiation therapy and chemotherapy after mastectomy in premenopausal women with breast cancer
Objective: The purpose of this study was to evaluate the prognostic importance of the sequencing of radiation therapy and chemotherapy after mastectomy in high-risk premenopausal women with breast cancer in addition to ... -
Simultaneous square-wave voltammetric determination of riboflavin and folic acid in pharmaceutical preparations
Cakir, S; Atayman, I; Cakir, O (Springer-Verlag Wien, 1997)The square-wave voltammetric (SWV) behaviour of riboflavin and folic acid was studied at a static mercury drop electrode by square wave voltammetry. In 0.05 M KCl (pH 5.89) a cathodic scan gave peaks at -0.56 and -0.87 V ... -
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 ...
