Yazar "Anadolu Üniversitesi, Fen Fakültesi, Fizik Bölümü" için Fen Fakültesi listeleme
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Antibacterial activities of the methanol extract, fractions and compounds from Elaeophorbia drupifera (Thonn.) Stapf. (Euphorbiaceae)
Voukeng, Igor K.; Nganou, Blaise K.; Sandjo, Louis P.; Çelik, İlhami; Beng, Veronique P.; Tane, Pierre; Kuete, Victor (Biomed Central LTD, 2017)Background: Elaeophorbia drupifera (Thonn.) Stapf. (Euphorbiaceae) is used in Cameroonian folk medicine to treat several ailments including bacterial-related diseases such as skin infections. In this study, the methanol ... -
Antibacterial activities of the methanol extracts, fractions and compounds from Harungana madagascariensis Lam. ex Poir. (Hypericaceae)
Tankeo, Simplice B.; Damen, Francois; Sandjo, Louis P.; Çelik, İlhami; Tane, Pierre; Kuete, Victor (Elsevier Ireland LTD, 2016)Ethnopharmacological relevance: Harungana madagascariensis Lam. ex Poir. (Hypericaceae) is used in folk medicine to treat a variety of human ailments, mainly antibacterial, antifungal, antiviral and viral infections. In ... -
Antimicrobial and Antioxidant Activities of Extracts and Lichen Acids Obtained From Some Umbilicaria Species From Central Anatolia, Turkey
Bucukoğlu, Tuba Zeytun; Albayrak, Sevil; Halıcı, M. Gökhan; Tay, Turgay (Wiley-Blackwell, 2013)In this study, the methanolic extracts and lichens acids obtained from six Umbilicaria species were tested for their antimicrobial activity (against three Gram-positive bacteria, five Gram-negative bacteria and two yeasts ... -
Aquabis(4-formylbenzoato-kappa O-2(1),O-1 ')bis(isonicotinamide-kappa N-1)cadmium(II) monohydrate
Hökelek, Tuncer; Yılmaz, Filiz; Tercan, Barış; Gürgen, Ferdi; Necefoğlu, Hacali (Int Union Crystallography, 2009)The asymmetric unit of the title Cd-II complex, [Cd(C8H5O3)(2)(-)(C6H6N2O)(2)(H2O)]center dot H2O, contains two 4-formylbenzoate (FB), two isonicotinamide (INA) ligands, one coordinated and one uncoordinated water molecule; ... -
Aquabis(isonicotinamide-kappa N-1)bis(4-methylbenzoato)-kappa O;kappa O-2,O '-cadmium(II) monohydrate
Necefoğlu, Hacali; Çimen, Efdal; Tercan, Barış; Süzen, Yasemin; Hökelek, Tuncer (Wiley-Blackwell, 2010)In the crystal structure of the title compound, [Cd(C8H7O2)(2)(C6H6N2O)(2)(H2O)]center dot H2O, the Cd-II cation is coordinated by two 4-methylbenzoate (PMB) anions, two isonicotinamide (INA) ligands and one water molecule ... -
Aspartic acid incorporated monolithic columns for affinity glycoprotein purification
Armutcu, Canan; Bereli, Nilay; Bayram, Engin; Uzun, Lokman; Say, Rıdvan; Denizli, Adil (Elsevier Science BV, 2014)Novel aspartic acid incorporated monolithic columns were prepared to efficiently affinity purify immunoglobulin G (IgG) from human plasma. The monolithic columns were synthesised in a stainless steel HPLC column (20 cm x ... -
Atmospheric pressure plasma treatment study for 2-((4-Hydroxyphenyl)Diazenil)Benzene-1,3,5-Triol molecule
Tanışlı, Murat; Tasal, Erol; Pat, Suat (Elsevier Science BV, 2016)In this study, the structural and computational spectroscopic investigations of 2-((4-Hydroxyphenyl)Diazenil)Benzene-1,3,5-Triol molecule (abbreviated as to be 2ABT) were realized. This is AZO dye molecule. The optimized ... -
Atomic Layer Deposition of Ultrathin Nickel Sulfide Films and Preliminary Assessment of Their Performance as Hydrogen Evolution Catalysts
Çimen, Yasemin; Peters, Aaron W.; Avila, Jason R.; Hoffeditz, William L.; Goswami, Subhadip; Farha, Omar K.; Hupp, Joseph T. (American Chemical Society, 2016)Transition metal sulfides show great promise for applications ranging from catalysis to electrocatalysis to photovoltaics due to their high stability and conductivity. Nickel sulfide, particularly known for its ability to ... -
Band gap energies of CdO : F semiconductor films produced by ultrasonic spray pyrolysis method
Irmak, Sinan; Kul, Metin (Amer Inst Physics, 2007)The fluorine doped cadmium oxide (CdO:F) samples have been deposited by ultrasonic spray pyrolysis method (USP). The absorption spectra of the samples showed that CdO:F is a direct band gap material. The direct optical ... -
Band gap energies of CdO:F semiconductor films produced by ultrasonic spray pyrolysis method
The fluorine doped cadmium oxide (CdO:F) samples have been deposited by ultrasonic spray pyrolysis method (USP). The absorption spectra of the samples showed that CdO:F is a direct band gap material. The direct optical ... -
Bandgap variation of nanostructure tin doped CdO films via SILAR processing
Şahin, B.; Taşköprü, T.; Bayansal, F. (Elsevier Sci LTD, 2014)Five series of pure and tin-doped CdO films have been grown on amorphous glass substrates by the successive ionic layer adsorption and reaction (SILAR) method. The film's structural, morphological and optical properties ... -
Barrier lowering effect and dark current characteristics in asymmetric GaAs/AlGaAs multi quantum well structure
Altın, E.; Hoştut, Mustafa; Ergün, Yüksel (Springer, 2011)In this study, we investigate dark current voltage characteristics of GaAs/AlGaAs staircase-like asymmetric multiquantum well structure at various temperatures experimentally. The activation energy is calculated by using ... -
Benzotriazole-mediated amidoalkylations of nitroalkanes, nitriles, alkynes and esters
Katritzky, Alan R.; Abdel-Fattah, Ashraf A. A.; Çelik, İlhami (Arkat Usa Inc, 2007)Reactions of readily available and stable N-(alpha-amidoalkyl)benzotriazoles 1 ( derived from a variety of aliphatic, aromatic or heterocyclic aldehydes) with diverse nitroalkanes, nitriles, alkynes and esters afforded ... -
Benzotriazole-Mediated Syntheses of Depsipeptides and Oligoesters
Avan, İlker; Tala, Srinivasa R.; Steel, Peter J.; Katritzky, Alan R. (American Chemical Society, 2011)Reactions of O-Pg(alpha-hydroxyacyl)benzotriazoles with (a) unprotected alpha-hydroxycarboxylic acids, (b) amino acids, and (c) amines afforded, respectively, chirally pure (a) oligoesters, (b) depsidipeptides, and (c) ... -
Benzotriazole-Mediated Synthesis of Aza-peptides: En Route to an Aza-Leuenkephalin Analogue
Abo-Dya, Nader E.; Biswas, Suvendu; Başak, Akash; Avan, İlker; Alamry, Khalid A.; Katritzky, Alan R. (American Chemical Society, 2013)Novel N-(N-Pg-azadipeptidoyl)benzotriazoles 20a-e couple efficiently with alpha-amino acids 21a-e, dipeptides 22a-c, aminoxyacetic acid 23a, depsidipeptide 23b, and alpha-hydroxy-beta-phenylpropionic acid 27 yielding, ... -
Beta-transition properties for neutron-rich Sn and Te isotopes by Pyatov method
Salamov, D. I.; Ünlü, Serdar; Çakmak, N. (Indian Acad Sciences, 2007)Based on Pyatov's method, the low-lying Gamow-Teller (GT) 1(+) state energies and log(ft) values for Sb-128,Sb-130,Sb-132 and I-132,I-134,I-136 isotopes have been calculated. In this method, the strength parameter of the ... -
Biaxial flexural strength and phase transformation of Ce-TZP/Al2O3 and Y-TZP core materials after thermocycling and mechanical loading
Güngör, Merve Bankoğlu; Yılmaz, Handan; Aydın, Cemal; Nemli, Seçil Karakoca; Bal, Bilge Turhan; Tıraş, Tülay (Korean Acad Prosthodontics, 2014)PURPOSE. The purpose of the present study was to evaluate the effect of thermocycling and mechanical loading on the biaxial flexural strength and the phase transformation of one Ce-TZP/Al203and two Y-TZP core materials. ... -
Bilirubin recognition via molecularly imprinted supermacroporous cryogels
Baydemir, Gözde; Bereli, Nilay; Andaç, Müge; Say, Rıdvan; Galaev, Igor Yu; Denizli, Adil (Elsevier Science BV, 2009)Recent years molecular imprinting has received considerable attention as an excellent and simple approach to recognize small molecules and bioactive substances. The aim of this study is to prepare the bilirubin-imprinted ... -
Binding behavior of Fe3+ ions on ion-imprinted polymeric beads for analytical applications
Saatçilar, Özgen; Satıroğlu, Nuray; Say, Rıdvan; Bektaş, Sema; Denizli, Adil (John Wiley & Sons Inc, 2006)We used a molecular imprinting approach to achieve specific metal binding utilizing N-methacryloyl-(L)cysteine methyl ester (MAC) as a metal-complexing ligand. MAC was synthesized using methacryloyl chloride and cysteine ... -
Binding energies and oscillator strengths of impurity states in wurtzite InGaN/GaN staggered quantum wells
Yıldırım, Hasan; Aslan, Bülent (Amer Inst Physics, 2012)Using the variational methods, we have calculated the binding energies of the lowest donor states, 1s and 2p(+/-), in wurtzite InGaN/GaN staggered quantum wells. The binding energies in narrow wells are larger in magnitude ...