Güncel Gönderiler: FEF, Kimya Bölümü Koleksiyonu
Toplam kayıt 455, listelenen: 281-300
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Synthesis and study of alpha-glucosidase inhibitory, antimicrobial and antioxidant activities of some benzimidazole derivatives containing triazole, thiadiazole, oxadiazole, and morpholine rings
(Springer, 2015)A new series of 2-(4-bromobenzyl)- and 2-(4-fluorobenzyl)-1H-benzimidazole derivatives containing 1,2,4-triazole, 1,3,4-thiadiazole, 1,3,4-oxadiazole, and morpholine rings has been synthesized. the structures of the newly ... -
Molecular aggregates of Merocyanine 540 in aqueous suspensions containing natural and CTAB-modified bentonite
(Elsevier Science Bv, 2015)The molecular interactions of MC-540 (Merocyanine 540) in clay suspensions containing natural bentonite and CTAB (cetyl trimethyl ammonium bromide)-modified bentonite were examined by using absorption, steady-state and ... -
Adsorption of lysozyme from aqueous solutions by a novel bentonite-tyrptophane (Bent-Trp) microcomposite affinity sorbent
(Elsevier, 2015)This study deals with developing bentonite-tryptophan (Bent-Trp) microcomposite affinity sorbent (38-105 gm) for lysozyme adsorption from aqueous solutions. the structural analysis results of Bent-Trp microcomposites ... -
Rapid and efficient synthesis of a new series of 2-aryl-5-fluoro-6(4-phenylpiperazin-1-yl)-1H-benzimidazoles using microwave heating
(Sage Publications Ltd, 2015)A new series of 2-aryl-5-fluoro-6-(4-phenylpiperazin-1-yl)-1H-benzimidazoles was synthesised from the reaction of 4-fluoro-5-(4-phenylpiperazin-1-yl) benzene-1,2-diamine and iminoester hydrochlorides. 4-Fluoro-5-(4-pheny ... -
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 ... -
Microwave-assisted synthesis of some new coumarin derivatives including 1,2,4-triazol-3-one and investigation of their biological activities
(Springer, 2015)By using the microwave technology, a new protocol has been developed for the synthesis of new coumarin derivatives including 1,2,4-triazol-3-one skeleton. This protocol proves to be efficient and environmentally friendly ... -
Synthesis, molecular structure, spectroscopic analysis, thermodynamic parameters and molecular modeling studies of (2-methoxyphenyl)oxalate
(Elsevier, 2015)The aim of this study is to find out the molecular characteristic and structural parameters that govern the chemical behavior of a new (2-methoxyphenyl)oxalate compound and to compare predictions made from theory with ... -
Structural characterization of hexadecyltrimethylammonium-smectite composites and their potentiometric electrode applications
(Elsevier, 2015)Organosmectites were prepared by the intercalation of hexadecyltrimethylammonium cations at various ratios into interlayer of Unye smectite. Structural, thermal, morphological and textural properties of the synthesized ... -
Characterization of AlFe-pillared Unye bentonite: A study of the surface acidity and catalytic property
(Elsevier Science Bv, 2015)Aluminium-iron-pillared bentonite has been prepared by incorporation of the iron mixed aluminium-polyoxocation into bentonite layers and characterized by the powder X-ray diffraction, Fourier transform infrared, thermal ... -
Synthesis and antioxidant activities of some new triheterocyclic compounds containing benzimidazole, thiophene, and 1,2,4-triazole rings
(Taylor & Francis Ltd, 2015)Various triheterocyclic compounds containing benzimidazole, thiophene, and 1,2,4-triazole rings (3-6) were synthesized and screened for their antioxidant activities. the structures of the synthesized compounds (2-6) were ... -
Microwave-assisted synthesis, characterization and spectral properties of non-peripherally tetra-substituted phthalocyanines containing eugenol moieties
(Elsevier Science Bv, 2015)The microwave-assisted synthesis and characterization of novel non-peripherally eugenol substituted metallophthalocyanines (M: Co(II), Ni(II), Cu(II), Zn(II)) have been reported for the first time in this study. All the ... -
Microwave-assisted synthesis and investigation of xanthine oxidase inhibition of new phthalonitrile and phthalocyanines containing morpholino substituted 1,2,4-triazole-3-one
(Elsevier Science Sa, 2015)Novel phthalonitrile and zinc (II) phthalocyanines containing pharmacological active molecules like morpholine and triazole were prepared and characterized. the new compounds were obtained by both microwave assisted and ... -
Synthesis of poly(vinylferrocene) perchlorate/poly(3,3 '-Diaminobenzidine) modified electrode in dichloromethane for electroanalysis of hydroquinone
(Soc Brasileira Quimica, 2015)Poly(vinylferrocenium) perchlorate-poly(3,3'-diaminobenzidine) (PVF+ClO4--PDAB) composite film was synthesized electrochemically for the first time on Pt disc electrode in a dichloromethane solution containing poly(vinylferrocene) ... -
A novel ferrocenyl naphthoquinone fused crown ether as a multisensor for water determination in acetonitrile and selective cation binding
(Amer Chemical Soc, 2015)A multisensor which is based on a novel multifunctional triad molecule, ferrocenyl naphthoquinone fused crown ether (Fc-cnq) bearing ferrocene, quinone, and crown ether functional groups together, was synthesized and ... -
Determination of epinephrine in human serum using a Pt electrode modified by polyaniline-poly(3-methylthiophene)-poly(3,3 '-diaminobenzidine)
(Canadian Science Publishing, Nrc Research Press, 2015)A Pt electrode modified by polyaniline-poly(3-methylthiophene)-poly(3,3'-diaminobenzidine) was used for amperometric determination of epinephrine in a solution of NaHSO4/Na2SO4 (pH 2.0). For these studies, potentials between ... -
Synthesis of new coumarin containing benzimidazole derivatives
(Science Reviews 2000 Ltd, 2015)This study describes the synthesis of a new series of benzimidazoles that contain a coumarin moiety. the high yielding synthetic reaction was between hydrazide derivatives of benzimidazoles and 3-(1H-benzotriazol-1-ylcar ... -
A zinc(II) metal organic framework based on flexible o-phenylenediacetate and rigid 4,4 '-azobis(pyridine) ligands: Synthesis, crystal structure and hydrogen gas adsorption property
(Pergamon-Elsevier Science Ltd, 2015)A new three-dimensional (3D) metal organic framework, [Zn-2(mu(4)-o-pda)(2)(mu-abpy)](n) (1), has been synthesized by the hydrothermal reaction and characterized by FT-IR spectroscopy, elemental analysis, thermal analysis, ... -
Synthesis, structural and biochemical activity studies of a new hexadentate Schiff base ligand and its Cu(II), Ni(II), and Co(II) complexes
(Elsevier, 2015)A new Schiff base ligand (H2L) and its metal complexes have been prepared and characterized by elemental analysis, magnetic moment and spectral studies. the comparative in-vitro antimicrobial activities against various ... -
Anthocyanins profiling of Thymus praecox opiz subsp caucasicus var. caucasicus
(Elsevier Science Bv, 2015)Thymus praecox Opiz subsp. caucasicus var. caucasicus (Anzer tea) was studied to determine its anthocyanin content; anthocyanin stability in response to acidic hydrolysis and temperature changes. in this study, anthocyanin ... -
Photophysical and adsorption properties of pyronin B in natural bentonite clay dispersion
(Elsevier Science Bv, 2015)The present study focused on the adsorption and photophysical properties of pyronin B (PyB) in bentonite aqueous dispersion. the photophysical properties of PyB in the aqueous dispersion were studied by using UV-vis ...