Başlık için Fen Fakültesi listeleme
Toplam kayıt 2379, listelenen: 1365-1384
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N structure for type-II superlattice photodetectors
(Amer Inst Physics, 2012)In the quest to raise the operating temperature and improve the detectivity of type II superlattice (T2SL) photodetectors, we introduce a design approach that we call the "N structure." N structure aims to improve absorption ... -
N,N,N ',N '-Tetrakis(2-hydroxyethyl)ethylenediamine palladium(II) complex as efficient catalyst for the Suzuki/Miyaura reaction in water
(Pergamon-Elsevier Science LTD, 2010)A new water soluble palladium(II) complex (2) derived from N,N,N',N'-tetrakis(2-hydroxyethyl)ethylenediamine (edteH(4)) (1) was synthesized in high yield and characterized by (1)H, (13)C, HMQC and COSY NMR spectroscopy. ... -
N-(2-Aminobenzoyl)benzotriazole mediated and t-BuOK promoted synthesis of 2-substituted quinolone 3-carboxylates
(Pergamon-Elsevier Science LTD, 2015)2-Substituted quinolone 3-carboxylates were obtained in moderate to good yields by the reaction of N-(2-aminobenzoyl)benzotriazoles with beta-ketoesters in the presence of t-BuOK in THF -
N-(alpha-Amidoalkyl)benzotriazole-mediated synthesis of beta '-amido beta-diketones: a general synthetic protocol for N-[beta-(3,5-di and 1,3,5-trisubstituted pyrazol-4-yl)alkyl] amides
(Pergamon-Elsevier Science LTD, 2009)Various beta '-amido-beta-diketones were first synthesized with N-(alpha-amidoalkyl)benzotriazole-mediated amidoalkylation of 1,3-diketones in moderate yields. These intermediates undergo rapid condensation with hydrazines ... -
N-acylbenzotriazole mediated microwave assisted synthesis of protected and novel unprotected ferrocenoylamidoamino acids
(Elsevier Science Sa, 2011)In this study, crystalline and chirally stable carboxyl-protected and novel unprotected N-ferrocenoyl amino acid derivatives of Ser, Cys, Ala, Phe, Trp, Asp and Asn have been prepared. These amino acids undergo substitution ... -
N-acylbenzotriazole mediated synthesis of some methacrylamido amino acids
(Bentham Science Publ LTD, 2007)N-acylbenzotriazole mediated synthetic methodology for introducing methacryloyl ( MA) group onto amino acids with complete retention of chirality has been disclosed. -
N-ferrocenoyl benzotriazole: A convenient tool for the synthesis of ferrocenoyl esters
(Elsevier Science Sa, 2010)A new synthesis methodology has been presented for the preparation of the ferrocenoyl esters. Ferrocene carboxylic acid was derivatized using direct 1H-benzotriazole/SOCl(2) methodology to prepare N-ferrocenoyl benzotriazole ... -
N-structure based on InAs/AlSb/GaSb superlattice photodetectors
(Academic Press LTD- Elsevier Science LTD, 2015)We have studied the theoretical and experimental properties of InAs/AlSb/GaSb based type-II superlattice (T2SL) pin photodetector called N-structure. Electronic properties of the superlattice such as HH-LH splitting energies ... -
Nadir Endemik Verbascum Alyssifolium Boiss. Taksonunun Toprak-Bitki İlişkisi Açısından İncelenmesi
(2017)Verbascum alyssifolium Boiss. (Scrophulariaceae) Erzincan ilinde dar yayılış alanına sahip nadir ve endemik bitki türlerindendir. Bu tür, IUCN kriterlerine göre DD (Veri yetersiz) kategorisinde değerlendirilmektedir ve ... -
Nano anti-tumor necrosis factor-alpha based potentiometric sensor for tumor necrosis factor-alpha detection
(Elsevier Science Sa, 2015)Tumor necrosis factor (TNF)-alpha promotes rheumatoid arthritis (RA) symptoms, including inflammation and bone erosion. The role of TNF-alpha. in RA is considered to be complex because cytokine is responsible for a wide-range ... -
Nano-hemoglobin film based sextet state biomemory device by cross-linked photosensitive hapten monomer
(Elsevier Science BV, 2018)In this study, a biomemory device, consisting of hemoglobin (Hb) cross-linked by MACys-Ru(bipyr)(2)-MACys) photosensitive monomer cross-linkers, which have memory effect through both Ru3+/2+ in hapten monomer and Fe3+/2+ ... -
Nanolabel for TNF-alpha determination
(Elsevier Science BV, 2013)Tumor necrosis factor-alpha (TNF-alpha), also known as cachectin, is one of the most important regulatory cytokines and mediates a variety of cell functions, including the stimulation of nitric oxide (NO) production which ... -
Nanosensors having dipicolinic acid imprinted nanoshell for Bacillus cereus spores detection
(Springer, 2010)Molecular imprinted polymers (MIPs) as a recognition element for sensors are increasingly of interest and MIP nanoclusters have started to appear in the literature. In this study, we have proposed a novel thiol ligand-capping ... -
Nanostructured rutile TiO2 for selective photocatalytic oxidation of aromatic alcohols to aldehydes in water
(American Chemical Society, 2008)Selective photocatalytic oxidation of aromatic alcohols to aldehydes was performed in water in the presence of TiO2 rutile photocatalysts that exhibited a low degree of crystallinity. The nanostructured rutile samples, ... -
Natural Evolution of SS Cyg Based on an X-Ray Data Analysis at Very Short Periods
(Astronomical Soc Pacific, 2011)We have carried out a Chandra data analysis of the prototype dwarf nova SS Cyg during quiescence and outburst. The SS Cyg data number 646 and 648 were obtained by the Chandra X-Ray Observatory on August 24, 2000 in quiescence ... -
A naturally occuring triterpene saponin ardisiacrispin B displayed cytotoxic effects in multi-factorial drug resistant cancer cells via ferroptotic and apoptotic cell death
(Elsevier GMBH, Urban & Fischer Verlag, 2018)Introduction: Multidrug resistance of cancer cells constitutes a serious problem in chemotherapy and a challenging issue in the discovery of new cytotoxic drugs. Many saponins are known to display anti-cancer effects. In ... -
Nazilli (Aydın) ve yöresinde gıda olarak kullanılan yabancı otlar
(2002)Bu çalışmada Nazilli (Aydın) ve çevresinde gıda olarak tüketilen yabancı otlar ve bunların tüketim şekilleri araştırılmıştır. Yapılan çalışmalar sonunda bölgede 9 familyaya (Portulacaceae, Urticaceae, Malvaceae, Geraniaceae, ... -
Near optimal step size and momentum in gradient descent for quadratic functions
(Scientific Technical Research Council Turkey-Tubitak, 2017)Many problems in statistical estimation, classification, and regression can be cast as optimization problems. Gradient descent, which is one of the simplest and easy to implement multivariate optimization techniques, lies ... -
Near-infrared and ultraviolet induced isomerization of crotonic acid in N-2 and Xe cryomatrices: First observation of two high-energy trans C-O conformers and mechanistic insights
(Amer Inst Physics, 2014)E-crotonic acid was isolated in cryogenic solid N-2 and xenon matrices, and subjected to Laser ultraviolet (UV) and near-infrared (NIR) irradiations. In the deposited matrices, the two low-energy cis C-O E-cc and E-ct ... -
The near-resonant regimes of a moving load in a three-dimensional problem for a coated elastic half-space
(SAGE Publications LTD, 2017)This paper deals with the three-dimensional analysis of the near-resonant regimes of a point load, moving steadily along the surface of a coated elastic half-space. The approach developed relies on a specialized ...