Güncel Gönderiler: Kimya Bölümü
Toplam kayıt 209, listelenen: 21-40
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Novel mixed ligand complexes of alkaline earth metals with coumarilic acid and nicotinamide
(Turkish Chemical Society, 2021)Coordination compounds with mixed ligands were synthesized with 2A group (Mg2+, Ca2+, Ba2+, Sr2+) alkaline earth metal cations of coumarilic acid and nicotinamide ligands. Afterward, the structural properties of these new ... -
Novel coordination compounds of alkaline earth metals with coumarilic acid. Synthesis and characterization
(Elsevier B.V., 2021)In this study, novel coordination compounds of coumarilic acid with 2A group alkaline earth metal cations [Mg2+ (1), Ca2+ (2), Sr2+ (3) and Ba2+(4)] were synthesized and structural characterized. The structural properties ... -
Grafting density of oligo-bottle-brushes on silicon surface: effect of mole fraction of RAFT agent-functionalized alkenes in mixed self-assembled monolayers
(Taylor and Francis Inc., 2020)The purpose of the study is to prepare of novel oligo-(N-(2-hydroxypropyl) methacrylamide)-g-poly(lactic acid) bottle-brushes with different grafting density on the silicon surface. Firstly, the mixtures of 9-decen-1-ol ... -
Applications and impact of nanocellulose based adsorbents
(Springer, 2020)Abstract Efficient separation and removal is necessary in applications ranging from environmental remediation to the food sector. A well-designed adsorption system should meet the demands for high efficiency in a cost and ... -
Novel coordination compounds: Mn(II), Co(II), Ni(II), Cu(II), and Zn(II) cations with acesulfame/N,N-diethylnicotinamide ligands
(Taylor and Francis Ltd., 2020)Five coordination complexes with Mn2þ (1), Co2þ (2), Ni2þ (3), Cu2þ (4), and Zn2þ (5) containing acesulfame (ace) and N,N-diethylnicotinamide (dena) ligands were synthesized and structural binding properties investigated. ... -
Two novel mixed-ligand zinc-acesulfame compounds: Synthesis, spectroscopic and thermal characterization and biological applications
(Elsevier B.V., 2020)Two new tetrahedral acesulfame complexes, acesulfamato(N)acesulfamato(O)bis(3-aminopyridine) zinc(II) (C18H20N6O8S2Zn, Zn-ace-3ap) and bis(acesulfamato-O)bis(benzotriazole)zinc(II) (C20H18N8O8S2Zn, Zn-ace-bta), were ... -
One-step transformation of a fluoro-based polymer into a superhydrophobic polymer composite
(ACG Publications, 2019)Abstract: We describe the formation of superhydrophobic surfaces by controlling the surface roughness using some simple processing methods, such as annealing at 120 °C, freeze-drying at -40 °C and composite film preparation. ... -
Engelliler için belediyelerin erişilebilirlik sorumlulukları: Çorum Engel Haritası Projesi
(Hitit Üniversitesi, 2017)Bu çalışmanın amacı ve önemi; yasal açıdan yetkili ve sorumlu birimler olarak belediyelerin engellilerin yaşam kalitelerinin artmasına yapacağı katkıdan kaynaklanmaktadır. Çalışmanın varsayımları, yaşam kalitesinin kentin ... -
Optimization of separation of several sulfonamides in acetonitrile-water binary mixtures by using symmetry shield RP-8 column
(Hacettepe University, 2009)In this work, the proportion of organic modifier of the hydro-organic mobile phase was optimized in order to separate twelve compounds namely sulfaguanidine, sulfanilamide, sulfadiazine, sulfathiazole, sulfamethazine, ... -
A new adsorptive square-wave stripping voltammetric method for the trace analysis of germanium
(Hacettepe University, 2008)The adsorptive stripping voltammetric determination of trace amounts of germanium(IV) based on the adsorptive accumulation of the germanium(IV)-N-(2-hydroxyphenyl)-3-hydroxysalicylaldimine complex on the hanging mercury ... -
A simple and rapid method for preparing carbon nanopore electrode ensemble by coating a glassy carbon electrode with chromate
(Hitit University, 2016)A simple preparation method for carbon nanopore electrode ensemble (CNEE) was reported. The CNEE consists of a number of pinholes which remain after coating a carbon surface with chromate. The transformation from transient ... -
The structural and thermal characterization of new Cu-Arginate complex; experimental and simulated hydrogen adsorbstion properties
(Hitit University, 2016)The copper-arginate complex was synthesized and characterized by using FTIR, TG/DTA-DrTG, UV-Vis spectroscopy and elemental analysis methods. In addition, experimental and theoretical hydrogen storage capabilities were ... -
Synthesis and thermal characterization of p-coumaric acid complexes of CoII, NiII, CuII and ZnII metal cations and biological applications
(Hitit University, 2016)The phenolic compound used in this study is p-coumaric acid, which is the derivative of phenolic acid playing a role in giving color, odor and taste to the plants. The p-coumaric acid is an organic compound derived from ... -
Optimization of the schiff-base reaction of acetylacetone with biogenic amines
(Hitit University, 2017)In this work, optimum conditions for the derivatization reaction of biogenic amines (histamine, tyramine, putrecine, tryptamine, phenylethylamine, cadaverine, spermidine and spermine) with acetylacetone have been determined. ... -
Development of a flow-injection with spectrophotometric method for total iron in water samples
(Hacettepe University, 2017)Asimple spectrophotometric flow-injection method is reported for the highly sensitive and fast determination of iron(III) and total iron. The method is based on the formation of iron(III)- (1-nitroso-2-naphthol-3,6 sulphonate) ... -
Synthesis, characterization, and antimicrobial properties of a new ligand and its Pd(II), Ru(II), Fe(II), Co(II) complexes
(Düzce Üniversitesi, 2018)Schiff bases and their complexes are versatile compounds synthesized from the condensation of an amino compound with carbonyl compounds and widely used for industrial purposes and also exhibit a broad range of biological ... -
Simultaneous determination of three phenolic compounds in water samples by pre-column derivatization coupled with reversed-phase high performance liquid chromatography
(Hacettepe University, 2018)In this study, a sensitive and accurate method for simultaneous separation and determination of three phenolic compounds (phenol, m-cresol and resorcinol) in water by revesed-phase high performance liquid chromatography ... -
Lead removal from industrial waste
(Hitit University, 2017)In this study, the heavy metal removal performance of poly(2-hydroxyethyl methacrylate-N-methacryloyl-(L)-histidine methyl ester), poly(HEMA-MAH) cryogel, a known polymer, in HNO3 was investigated. To determine the heavy ... -
Coal an impure fuel source: Radiation effects of coal-fired power plants in Turkey
(Hacettepe Üniversitesi, 2010)Turkish coal is generally poor quality and the levels of chemical and radiological toxic trace elements in it are higher with respect to mean values of activity concentrations given in United Nations Scientific Committee ... -
Nanofibers by electrospinning of nylon 6 doped with boron
(Hacettepe University, 2009)In this study, Nylon 6 was successfully cross-linked with boron using formic acid as solution. Electrospinning process was performed by putting hybrid nylon 6/boric acid solutions at different applied voltage in a range ...
