Browsing by Author "Yilmaz, F"
Now showing items 1-18 of 18
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Acetylsalicylhydroxamic acid and its cobalt(II), nickel(II), copper(II) and zinc(II) complexes
Yılmaz, Veysel T.; Yilmaz, F (Kluwer Academic Publ, 1999)Acetylsalicylhydroxamic acid (AcSHA) was prepared and characterized. Its pK(a) value was determined as 7.78. Solid metal complexes of AcSHA were also prepared and characterized by elemental analysis, electronic and i.r. ... -
Bis-(5,5 '-diethylbarbiturato) copper(II) and cadmium(II) complexes with ethylenediamine. Synthesis, crystal structures, spectroscopic and thermal characterization of cis-[Cu(barb)(2)(en)] and {[Cd(barb)(2)(mu-en)]center dot 2H(2)O}(n)
Yilmaz, F; Yılmaz, Veysel T.; Kazak, C (Wiley-V C H Verlag Gmbh, 2005)Two new bis(5.5'-diethylbarbiturato) (barb) complexes ofcopper(II) and cadmium(II) with ethylenediamine (en) were synthesized and characterized by elemental analysis, FT-IR spectroscopy and thermal analysis. In addition. ... -
Effect of acid etching time and a self-etching adhesive on the shear bond strength of composite resin to porcelain
Guler, AU; Yilmaz, F; Yenisey, M; Guler, Y; Ural, C (Quintessence Publishing Co Inc, 2006)Purpose: The purpose of this study was to evaluate the effect of different acid etching times with 9.6% hydrofluoric acid gel and two adhesive systems on shear bond strengths of resin composite to porcelain. Materials and ... -
Effects of different drinks on stainability of resin composite provisional restorative materials
Statement of problem. The ability of tooth-colored restorative materials for provisional restorations to resist stains is important when interim prostheses arc worn for a long period. Discoloration of provisional restorative ... -
The effects of natural ostium and nasoantral window on mucosal regeneration after maxillary sinus surgery in rabbits
The aims of the study were to investigate the effects of natural ostium and the nasoantral window on the mucosal regeneration after maxillary sinus surgery and to detect the changes in the mucociliary clearance during ... -
Effects of otitis media with effusion on the vestibular system in children
Koyuncu, M; Saka, MM; Tanyeri, Y; Sesen, T; Unal, R; Tekat, A; Yilmaz, F (Mosby-Year Book Inc, 1999)Middle ear effusion has been considered the most common cause of vestibular disturbance in children. However, there have been only a few studies on vestibular disturbance in children with otitis media with effusion. We ... -
Evaluation of 24-hour shear bond strength of resin composite to porcelain according to surface treatment
Purpose: The purpose of the present in vitro study was to examine shear bond strengths of resin composite to porcelain according to surface treatment. Materials and Methods: One hundred eight feldspathic porcelain blocks ... -
The evaluation of ternporomandibular joint disc position in TMJ disorders using MRI
Ogutcen-Toller, M; Taskaya-Yilmaz, N; Yilmaz, F (Churchill Livingstone, 2002)The purpose of this study was to correlate disc position and the type of disc displacement, intra-capsular effusion and degenerative changes of the condyle as demonstrated in MRI studies. In this study, 126 temporomandibular ... -
The first tris(saccharinato) complexes. Syntheses, spectral, thermal and structural characterization of ApyH[Cu(N-sac)(2)(O-sac)(H2O)(2)] and ApyH[Zn(N-sac)(3)-(H2O)] (ApyH=2-aminopyridinium and sac = saccharinate)
Yılmaz, Veysel T.; Yilmaz, F; Kazak, C (Springer, 2005)The reaction of the Schiff base salicylideneaminopyridine with [M(sac)(2)(H2O)(4)] . 2H(2)O, where M is copper(II) or zinc( II), and sac is the saccharinate anion, results in the formation of the new tris( saccharinato) ... -
The phthalhydroxamate ligand and its divalent transition metal complexes: Synthesis, characterization, and spectral and thermal studies
Yilmaz, F; Yılmaz, Veysel T. (Marcel Dekker Inc, 2001)The potassium salt of phthalhydroxamic acid (PHA) (alternatively named o-carboxybenzohydroxamic acid) was synthesized and its coordination behaviour with Mn(II), Co(II), Ni(II), Zn(II) and Cd(II) was studied. The hydroxamate ... -
Preparation and spectroscopic examination of new mixed-ligand 1,10-phenantroline, phenylhydrazine and benzidine complexes of Co(II), Ni(II), Cu(II) and Zn(II) saccharinates
Yılmaz, Veysel T.; Topcu, Y; Yilmaz, F (Marcel Dekker Inc, 1999)A series of new mixed-ligand saccharin complexes of Co, Ni, Cu and Zn with 1,10-phenantroline, phenylhydrazine and benzidine have been prepared and characterized by elemental analysis magnetic moments, spectral and thermal ... -
Saccharin complexes of Co(II), Ni(II), Cu(II), Zn(II), Cd(II) and Hg(II) with ethanolamine and diethanolamine: synthesis, spectroscopic and thermal characteristics. Crystal structures of [Zn(ea)(2)(sac)(2)] and [Cu-2(mu-dea)(2)(sac)(2)]
Yılmaz, Veysel T.; Topcu, Y; Yilmaz, F; Thoene, C (Pergamon-Elsevier Science Ltd, 2001)New mixed ligand Co(II), Ni(II), Cu(II), Zn(II). Cd(II) and Hg(II) complexes of saccharin (sac) with ethanolamine (ea) and diethanolamine (dea) were synthesized and characterized by elemental analyses, magnetic moments, ... -
A simple and selective flow-injection spectrophotometric determination of copper(II) by using acetylsalicylhydroxamic acid
Asan, A; Isildak, I; Andac, M; Yilmaz, F (Elsevier Science Bv, 2003)A new simple, and rapid flow-injection spectrophotometric method is developed for the determination of trace amounts of Cu(II) by using a new chromogenic reagent acetylsalicylhydroxamic acid (ACSHA). The method is based ... -
The structure of graft unions in European chestnut using different grafting methods
We studied the anatomical structure of graft unions in European chestnut using several grafting methods. The work was done in the greenhouse during 2003-04. The grafting methods epicotyl, hypocotyl, and inverted radicle ... -
Syntheses, spectral, thermal and electrochemical studies of 3-carboxylacetonehydroxamic acid and its iron(II), cobalt(II), nickel(II), copper(II) and zinc(II) complexes
Yilmaz, F; Yılmaz, Veysel T.; Topcu, S; Menek, N (Taylor & Francis Ltd, 2003)3-Carboxylacetonehydroxamic acid (CAHA) and its iron(II), cobalt(II), nickel(II), copper(II) and zinc(II) complexes were synthesized and characterized by elemental analysis, UV-Vis and IR spectra and magnetic susceptibility. ... -
Thermal studies of transition metal complexes of acetylsalicylhydroxamic acid
Yılmaz, Veysel T.; Yilmaz, F (Elsevier Science Bv, 2000)Thermal decompositions of acetylsalicylhydroxamic acid and of the Co(II), Ni(II), Cu(II) and Zn(II) complexes has been investigated by TG, DTG and DTA. The complexes decompose to yield very stable solid intermediates at ... -
Transition metal complexes of acetamidomalondihydroxamate: Synthesis, spectral, thermal and electrochemical studies
Yilmaz, F; Yılmaz, Veysel T.; Topcu, S (Taylor & Francis Ltd, 2004)Acetamidomalondihydroxamate (K(2)AcAMDH) and its manganese(II), iron(II), cobalt(II), nickel(II), copper(II) and zinc(II) complexes were synthesized and characterized by elemental analysis, UV-VIS, IR and magnetic ... -
Zinc barbiturate complexes with bidentate N-donor ligands: Syntheses, crystal structures, spectroscopic, thermal and voltammetric studies
Yilmaz, F; Yılmaz, Veysel T.; Bicer, E; Büyükgüngör, Orhan (Verlag Z Naturforsch, 2006)Two new bis(5,5-diethylbarbiturato) (barb) complexes of zinc, [Zn(barb)2(en)] (1) and [Zn(barb)(2)(bpy)] center dot H2O (2) [en = ethylenediamine, bpy = 2,2'-bipyridine], have been prepared and characterized by elemental ...