Başlık için Fen Edebiyat Fakültesi listeleme
Toplam kayıt 1420, listelenen: 904-923
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Novel phthalocyanines bearing 1,2,4 triazole substituents: Synthesis, characterization, photophysical and photochemical properties
(Pergamon-Elsevier Science Ltd, 2020)4-(4,5-Diphenyl-4H-1,2,4-triazol-3-ylthio)phthalonitrile ( 3) and its non-peripherally tetra substituted zinc(II) phthalocyanine (4) and magnesium(II) phthalocyanine (5) derivatives were prepared. the novel compounds 3-5 ... -
Novel phthalocyanines containing guaiacol azo dyes: Synhthesis, antioxidant, antibacterial, and anticancer activity
(Pleiades Publishing Inc, 2018)In an attempt to understand the antibacterial, antioxidant, and anticancer properties of phthalocyanines containing azo dye, new metallophthalocyanines (M: Mn, Co, Zn) substituted with guaiacol azo dyes are described. the ... -
Novel phthalocyanines containing resorcinol azo dyes; synthesis, determination of pKa values, antioxidant, antibacterial and anticancer activity
(Elsevier Science Sa, 2015)There are many studies about effects on health of compounds having azo groups in literature. However, anticancer, antimicrobial and antioxidant properties of phthalocyanines containing azo dyes are unknown. Therefore, the ... -
Novel phthalocyanines containing substituted salicyclic hydrazone-1,3-thiazole moieties: Microwave-assisted synthesis, spectroscopic characterization, X-ray structure and thermal characterization
(Elsevier, 2010)Novel, metal-free and metallo(Cu, Co, Ni, Zn, Pb and Mn)phthalocyanine compounds were synthesized by exposure to microwave irradiation and the products purified. The newly prepared compounds were characterized using elemental ... -
A novel polyaniline-poly(3-methylthiophene)-poly(3,3 '-Diaminobenzidine) electrode for the determination of dopamine in human serum
(Taylor & Francis Inc, 2015)A polyaniline-poly(3-methylthiophene)-poly(3,3 '-diaminobenzidine) film was deposited on a platinum disc electrode in dichloromethane containing tetrabuthylammonium perchlorate supporting electrolyte and used for the ... -
A Novel route to one-pot three-component synthesis of benzimidazo [2,1-b]-quinazolin-1-one derivatives
(Bentham Science Publ Ltd, 2013)One-pot three-component synthesis of benzimidazo[2,1-b]-quinazolin-1-ones was efficiently performed under microwave irradiation and solvent-free condition. the method provides some advantages such as low cost, experimental ... -
A novel Schiff base-containing phthalocyanine and its azo dye-substituted analogue: The effect of pH on colour
(CSIRO, 2024)There are many studies in the literature devoted to the synthesis of phthalocyanines substituted with Schiff bases and azo dyes and their particular properties. However, the comparison of spectral properties of these ... -
Novel triazole bearing zinc(II) and magnesium(II) metallo-phthalocyanines: Synthesis, characterization, photophysical and photochemical properties
(Elsevier Science Sa, 2013)The synthesis and characterization of novel tetrakis N-(3,5-dichlorophenyl)-5-methyl-3H-1,2,4-triazol-3-one (1) and N-(3,5-dichlorophenyl)-5-ethyl-3H-1,2,4-triazol-3-one (2) substituted phthalonitrile derivatives and their ... -
Novel triazole substituted phthalocyanines showing high singlet oxygen quantum yields
(Elsevier, 2019)In this study, novel triazole peripherally substituted phthalocyanine zinc(II) complexes 3(a-d) were synthesized from four different phthalonitrile derivative and characterized by FT-IR NMR, MALDI-TOF, UV-Vis methods. ... -
Novel zinc(II)phthalocyanines bearing azo-containing schiff base: Determination of pKa values, absorption, emission, enzyme inhibition and photochemical properties
(Elsevier Science Bv, 2016)Azo-containing schiff bases are well known and there are many studies about their various properties in literature. However, phthalocyanines bearing azo-containing schiff bases, their spectral, analytical and biological ... -
The novel Zn(II) phthalocyanines: Synthesis, characterization, photochemical, DNA interaction and cytotoxic/phototoxic properties
(Elsevier, 2020)In this study, peripherally and non-peripherally tetra substituted water soluble zinc(II) phthalocyanines (5a and 5b) were synthesized and characterized. Their photochemical and ct-DNA binding properties of them were ... -
Nullnorms on bounded lattices
(Elsevier Science Inc, 2015)Nullnorms are generalization of triangular norms and triangular conorms with a zero element in the interior of the unit interval. in this paper, we generalize nullnorms to an arbitrary bounded lattices. We show the existence ... -
Numerical analysis for remote identification of materials with magnetic characteristics
(IEEE, 2011)There is a variety of methods used for remote sensing of objects such as acoustic, ground penetration radar detection, electromagnetic induction spectroscopy, infrared imaging, thermal neutron activation, core four-pole ... -
Numerical computing approach for solving Hunter-Saxton equation arising in liquid crystal model through sinc collocation method
(Elsevier, 2021)In this study, numerical treatment of liquid crystal model described through Hunter-Saxton equation (HSE) has been presented by sinc collocation technique through theta weighted scheme due to its enormous applications ... -
NuSD: A Geant4 based simulation framework for segmented anti-neutrino detectors
(Elsevier, 2022)NuSD: Neutrino Segmented Detector is a Geant4-based user application that simulates inverse beta decay events in a variety of segmented scintillation detectors developed by different international collaborations. This ... -
Nutritional value of some wild edible mushrooms from Black Sea Region (Turkey)
(Turkish Biochemistry Society, 2011)Objectives: The aim of this study is to profile the nutritional content of eight edible mushrooms collected from East Black Sea region in Turkey. Methods: The eight different wild edible mushrooms (Boletopsis leucomelaena, ... -
O 18 + Ti 48 elastic and inelastic scattering at 275 MeV
(American Physical Society, 2024)Background: In recent years, the NUMEN project has highlighted that the systematic study of double charge exchange (DCE) nuclear reactions could provide precious information on the nuclear matrix elements of neutrinoless ... -
Occurrence of microplastics in herpetological museum collection: Grass snake (Natrix natrix [Linnaeus, 1758]) and dice anake (Natrix tessellata [Laurenti, 1769]) as model organisms
(Springer, 2022)Microplastics are plastic fragments with a size less than 5 mm in length. In addition to a threat to the marine environments where these are abundantly present, these have also started polluting freshwater ecosystems. ... -
On approximation properties of generalized Lupas type operators based on Polya distribution with Pochhammer k-symbol
(Hacettepe University, 2022)The purpose of this paper is to introduce a Kantorovich variant of Lupas-Stancu operators based on Polya distribution with Pochhammer k-symbol. We obtain rates of convergence for these operators by means of the classical ... -
On conjugacy of elliptic elements and circuits in suborbital graphs of congruence subgroups
(2011)In this paper, we, for the first time, introduce the notion of conjugacy in suborbital graphs. Then we show that the conjugate elliptic elements of the modular group F and of congruence subgroups F 0(p) give rise to conjugate ...
