Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 624, listelenen: 221-240
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Novel dendrimers containing redox mediator: Enzyme immobilization and applications
(Elsevier Science Bv, 2019)In this study, new dendrimers with a ferrocene core were produced by means of a divergent method for the immobilization of the glucose oxidase enzyme (GOx). Pt(II) and Pt(IV) ions were attached to the terminal groups of ... -
A TYCHONOFF THEOREM FOR GRADED DITOPOLOGICAL TEXTURE SPACES
(Ankara Univ, Fac Sci, 2020)In this paper, initial and product graded ditopologies are formulated and accordingly it is shown that dfGDitop is a topological structure over dffex x dffex. By means of spectrum idea, (di)compactness in graded ditological ... -
On The Darboux Frame Motion of a Developable Surface
(Centre Environment Social & Economic Research Publ-Ceser, 2021)Developable ruled surfaces and the rotation-minimizing frames (RMF) have a crucial importance in computer-aided geometric design (CAGD) because of being unfoldable (developable) into a plane without distortion. Also, the ... -
Oxygen Vacancies in the Single Layer of Ti(2)CO(2)MXene: Effects of Gating Voltage, Mechanical Strain, and Atomic Impurities
(Wiley-V C H Verlag Gmbh, 2020)Herein, using first-principles calculations the structural and electronic properties of the Ti(2)CO(2)MXene monolayer with and without oxygen vacancies are systematically investigated with different defect concentrations ... -
Extended q-Dedekind-type Daehee-Changhee sums associated with extended q-Euler polynomials
(Springeropen, 2015)In the present paper, we aim to specify a p-adic continuous function for an odd prime inside a p-adic q-analog of the extended Dedekind-type sums of higher order according to extended q-Euler polynomials (or weighted q-Euler ... -
Determination of Minimum Enzymatic Decolorization Time of Reactive Dye Solution by Spectroscopic & Mathematical Approach
(Office Spectroscopy & Spectral Analysis, 2015)Synthetic dyes are very important for textile dyeing, paper printing, color photography and petroleum products. Traditional methods of dye removal include biodegradation, precipitation, adsorption, chemical degradation, ... -
Poly(epsilon caprolactone)/clay nanocomposites via host-guest chemistry
(Pergamon-Elsevier Science Ltd, 2015)Cyclodextrin-modified montmorillonite (MMT-CD) has been prepared from commercial montmorillonite clay (Closite 30B) containing two hydroxyl groups by reacting succinic anhydride through esterification. Poly(epsilon ... -
Highly Efficient and Reusable Microporous Schiff Base Network Polymer as a Heterogeneous Catalyst for CuAAC Click Reaction
(Wiley-V C H Verlag Gmbh, 2015)A microporous Schiff base network (SNW) polymer containing melamine groups is synthesized as a specific metal template material and employed as a solid support to stabilize copper(I) ions. The Cu(I) ions are incorporated ... -
Optical, Electrical and Photoresponsive Properties of Cu2NiSnS4 Solar Detectors
(Springer, 2020)Sol-gel methods were used to fabricate Al/p-Si/Cu2NiSnS4/Al quaternary functional solar detectors. Diffraction, spectroscopy and microscopy were used for the structural characterization of the photodetectors. The bandgap ... -
Removal of Carcinogenic Azo Dyes from Water by New Cyclodextrin-Immobilized Iron Oxide Magnetic Nanoparticles
(Springer, 2013)In this study, beta-cyclodextrin was functionalized with [3-(2,3-epoxypropoxy)propyl] trimethoxysilane to obtain a new silica-based beta-cyclodextrin in order to provide a binding side for immobilization onto iron oxide ... -
Optoelectronic investigation of Cu2FeSnS4 quaternary functional photodiodes with IR detection capabilities
(Elsevier, 2021)Cu2FeSnS4 semiconductor used in the preparation of quaternary photodiodes was synthesized using hydrothermal synthesis. The nanoparticles were then spin coated on a silicon substrate. Nanoparticles were characterized using ... -
Photoelectrical properties of solar sensitive CuO doped carbon photodiodes
(Elsevier, 2020)The CuO doped carbon thin films were produced by using electrochemical deposition and the surface characteristics of the photodiodes were investigated using the scanning electron microscopy and infrared (IR) spectroscopy. ... -
MATHEMATICAL MODELING OF COVID-19 PHENOMENON; THE CASES: GERMANY, ISRAEL AND CANADA
(Parlar Scientific Publications (P S P), 2020)Epidemic diseases are described as a pandemic that affects the enormous majority of the world, spreads rapidly among people, and causes deaths. Negative effects, the number of casualties, rates of spread, and the duration ... -
Significant role of the specific prime number p = 257 in the improvement of cryptosystems
(Bulgarian Acad Science, 2020)Cryptology is the significant science which is inseparable from the means of communication of secrets. In a safe manner, it has the main objective of transmitting (potentially sensitive) information between two interlocutors. ... -
Impact of the Covid-19 pandemic on perinatal mental health (Riseup-PPD-COVID-19): protocol for an international prospective cohort study
(Bmc, 2021)BackgroundCorona Virus Disease 19 (COVID-19) is a new pandemic, declared a public health emergency by the World Health Organization, which could have negative consequences for pregnant and postpartum women. The scarce ... -
Novel water soluble 7-oxy-4-(pyridine-3-yl) coumarin substituted phthalocyanines as potential photosensitizers for photodynamic therapy
(Elsevier Science Sa, 2019)The new phthalonitriles (1 and 2) and zinc, indium, magnesium metalled tetrasubstituted phthalocyanines bearing 7-oxy-4-(pyridine-3-yl) coumarin substituents in the peripheral (1a-c)/non-peripheral (2a-c) positions were ... -
Photophysical, photochemical and BSA binding/BQ quenching properties of quaternizable coumarin containing water soluble zinc phthalocyanine complexes
(Pergamon-Elsevier Science Ltd, 2011)The non-peripherally (np-QZnPc) and peripherally (p-QZnPc) tetrakis-[7-oxo-(3-[(2-diethylaminomethyliodide)ethyl)]-4-methylcoumarin]-Phthalocyaninatozinc complexes have been prepared by quaternization of non-peripherally ... -
Synthesis and electrochemical properties of crown ether functionalized coumarin substituted cobalt and copper phthalocyanines
(Elsevier Science Sa, 2011)The synthesis of novel 6,7-[15-crown-5]-3-[p-(3,4-dicyanophenoxy)phenyl]coumarin (1)/6,7-[15-crown-5]-3-[p-(2,3-dicyanophenoxy)phenyl]coumarin (2) and their peripherally/non-peripherally cobalt and copper phthalocyanine ... -
Chromenone 12-crown-4 substituted zinc phthalocyanine complexes: Investigation of spectral, photophysical and photochemical properties
(Pergamon-Elsevier Science Ltd, 2011)The synthesis of novel 6,7-[(12-crown-4)-3-[p-(3,4-dicyanophenoxy)phenyl]coumarin (1), 6,7-[(12-crown-4)-3-[p-(2,3-dicyanophenoxy)phenyl]coumarin (2), and their corresponding tetra-(chromenone 12-crown-4)-substituted zinc ... -
Synthesis and properties of crown ether functionalized coumarin substituted zinc phthalocyanine
(Pergamon-Elsevier Science Ltd, 2011)The novel 6,7-[15-crown-5]-3-[p-(2,3-dicyanophenoxy)phenyl]coumarin (1) and its non-peripherally substituted zinc phthalocyanine complex (2) have been prepared and characterized by elemental analysis, H-1 NMR (for compound ...