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Synthesis and structure of a Ni(II) complex with N ',N '(2)-bis[(1E)-1-(2-quinolyl)methylene]propanedihydrazide: multiple intramolecular CH center dot center dot center dot pi interactions between quinoline and quinolineimine chelate
(Taylor & Francis Ltd, Abingdon, 2012)
A new malonic dihydrazide-based ligand, N',N'(2)-bis[(1E)-1-(2-quinolyl)methylene]propanedihydrazide (H(2)L3), has been prepared and characterized by elemental analysis, IR, C-13 NMR, and H-1 NMR spectroscopies. In the ...
Synthesis, structure and solvatochromic properties of some novel 5-arylazo-6-hydroxy-4-phenyl-3-cyano-2-pyridone dyes
(BMC, 2012)
Background: A series of some novel arylazo pyridone dyes was synthesized from the corresponding diazonium salt and 6-hydroxy-4-phenyl-3-cyano-2-pyridone using a classical reaction for the synthesis of the azo compounds. ...
Study of electrical conductivity and hardness of the alloys of ternary Bi-Sb-Zn system and calculation of isothermal section at 298 K
(Redakcia Kovove Materialy, Bratislava 38, 2012)
Considering the importance of the lead-free solders, alloys of ternary Bi-Sb-Zn system were characterized by microstructural SEM-EDS and optical microscopy analysis, Brinell hardness tests and electrical conductivity ...
Synthesis and spectral characterization of nickel(II) and copper(II) complexes with the hexadentate (+/-)-1,3-pentanediamine-N,N,N ',N '-tetraacetate ligand and its pentadentate derivative: Stereospecific formation and crystal structure of [Mg(H2O)(6)][Ni
(Oxford : Pergamon-Elsevier Science Ltd, 2012)
Structural variations modulated by ethyl side group have been analyzed for nickel(II) and copper(II) complexes with (+/-)-1,3-pentanediamine-N,N,N',N'-tetraacetate ligand (1,3-pndta) and its pentadentate derivative ...
The influence of montmorillonite modification on the properties of composite material based on poly(methacrylic acid)
(Journal of Composite Materials, 2012)
In this work a new class of functional composites was prepared based on the organically modificated montmorillonite and methacrylic acid. In the first step, the native montmorillonite was mixed with poly(ethylenimine) ...
Magnetic criteria of aromaticity in a benzene cation and anion: how does the Jahn-Teller effect influence the aromaticity?
(Oxford : Pergamon-Elsevier Science Ltd, 2012)
The aromatic/antiaromatic behavior of the Jahn-Teller UT) active benzene cation and anion has been investigated using Density Functional Theory (DFT) calculations of Nuclear Independent Chemical Shifts (NICS) and magnetic ...
Kinetic Analytical Method for Determination of Uric Acid in Human Urine using Analyte Pulse Perturbation Technique
(Sociedade Brasileira de Química, 2012)
Simple and reliable novel methods for the determination of uric acid (UA) are proposed and validated. For quantitative determination of UA, two matrices were used: the Bray-Liebhafsky (BL) oscillatory reaction in a stable ...
Density functional theory study of the magnetic coupling interaction in a series of binuclear oxalate complexes
(Springer Wien, Wien, 2012)
Magnetic couplings in oxalate-bridged binuclear complexes, namely five isomers of [(VO)(2)(ox)(SCN)(6)](4-), trans-(equatorial, equatorial), cis-(equatorial, equatorial), trans-(axial, axial), cis-(axial, axial), and (axial, ...
Antioxidative, antibacterial and antifungal activity of the essential oil of wild-growing Satureja montana L. from Dalmatia, Croatia
(Wiley-Blackwell, Malden, 2012)
The composition of the essential oil of Satureja montana was examined by gas chromatographymass spectrometry and 1H nuclear magnetic resonance spectroscopy. Forty-three compounds were identified, representing approximately ...
In Vitro Biocompatibility Evaluation of Novel Urethane-Siloxane Co-Polymers Based on Poly(epsilon-Caprolactone)-block-Poly(Dimethylsiloxane)-block-Poly(epsilon-Caprolactone)
(Taylor & Francis Ltd, Abingdon, 2012)
Novel polyurethane co-polymers (TPUs), based on poly(epsilon-caprolactone)-block-poly(dimethylsiloxane)-block-poly(epsilon-caprolactone) (PCL-PDMS-PCL) as soft segment and 4,4'-methylenediphenyl diisocyanate (MDI) and ...