Browsing Τμήμα Χημείας / Department of Chemistry by Title
Now showing items 533-552 of 1302
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Industrial H2-SCR of NO on a novel Pt/MgO-CeO2 catalyst
(2007)We describe here the performance of a novel MgO-CeO2-supported Pt (0.1 wt%) catalyst towards the selective conversion of NO into N2 (SN2 > 80%) by using H2 (H2-SCR) under process conditions similar to those encountered in ...
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Industrial NOx control via H2-SCR on a novel supported-Pt nanocatalyst
(2011)We describe here the performance of a novel MgO-CeO2-supported Pt nanocatalyst (∼1.5nm mean Pt particle size) towards the selective conversion of NO (XNO>90%) into N2 (SN2>80%) using H2 (H2-SCR) in the low-temperature range ...
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Influence of ligand positional isomerism on the molecular and supramolecular structures of cobalt(II)-phenylimidazole complexes
(2019)In a study to evaluate the impact of flexible positional isomeric ligands on the coordination geometry and self-assembly process of 3d metal complexes, the synthesis of eight new cobalt(II) complexes with the 2-phenylimidazole ...
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Influence of nanoreactor environment and substrate location on the activity of horseradish peroxidase in olive oil based water-in-oil microemulsions
(2011)Oxidative enzymatic reactions using horseradish peroxidase (HRP) were carried out in water-in-oil (w/o) microemulsions composed of olive oil/lecithin/1-propanol/water, a model biomimetic system. The substrates used (gallic ...
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Influence of oxychlorination treatments on the redox and oxygen storage and release properties of thermally aged Pd-Rh/CexZr1-xO 2/Al2O3 model three-way catalysts
(2005)Model Pd-Rh/Al2O3 three-way catalysts with and without CexZr1-xO2 as oxygen storage component have been compared in their fresh, thermally aged and oxychlorinated treated surface states to determine the potential regenerating ...
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The influence of reaction temperature on the chemical structure and surface concentration of active NOx in H2-SCR over Pt/MgO{single bond}CeO2: SSITKA-DRIFTS and transient mass spectrometry studies
(2008)Steady-state isotopic transient kinetic analysis (SSITKA), transient isothermal, and temperature-programmed surface reaction in H2 (H2-TPSR) techniques coupled with online mass spectroscopy (MS) and in situ diffuse reflectance ...
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Infrared spectra of some thin amorphous films of MoO3-In2O3 deposited by vacuum evaporation
(1989)The infrared absorption spectra of vacuum-evaporated MoO3-In2O3 thin films are reported for a series of films of varying compositions within the spectral range 4000 to 400 cm-1 and interpreted in relation to the spectrum ...
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Infrared spectroscopic study of vacuum evaporated amorphous thin films of MoO3-SiO
(1990)A series of amorphous MoO3-SiO thin films of varying compositions were investigated by infrared spectroscopy. In some cases, a shift in band frequency was observed. Some new peaks appeared when SiO was mixed in MoO3. These ...
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Inhibition of mitogen-activated protein kinase (MAPK) and cyclin-dependent kinase 2 (Cdk2) by platinum(II) phenanthroline complexes
(2011)Inhibition of protein kinases in the fight against disease remains a constant challenge for medicinal chemists, who have screened multitudes of predominantly planar organic scaffolds, natural and synthetic, to identify ...
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Initial use of 1,1′-oxalyldiimidazole for inorganic synthesis: Decomposition of the ligand as a means to the preparation of an imidazole- and oxalate(-2)-containing, 1D copper(II) complex
(2009)The use of 1,1′-oxalyldiimidazole, (im)COCO(im), for the synthesis of coordination complexes is explored for the first time. The [Cu2(O2CMe)4(H2O)2]/(im)COCO(im) reaction system in 96% EtOH yields the new, 1D coordination ...
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Insertion of functional groups into a Nd 3+ metal-organic framework via single-crystal-to-single-crystal coordinating solvent exchange
(2012)Single-crystal-to-single-crystal (SCSC) transformations represent some of the most fascinating phenomena in chemistry. They are not only intriguing from a basic science point of view but also provide a means to modify or ...
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Insulin-mimetic action of vanadium compounds on osteoblast-like cells in culture
(1997)Vanadium compounds mimic insulin actions in different cell types. The present study concerns the insulin-like effects of three vanadium(V) derivatives and one vanadium(IV) complex on osteoblast-like (UMR106 and MC3T3E1) ...
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Interaction between 1,2-dimethyl-3-hydroxypyrid-4-one and europium(III)
(2007)The interaction of the clinically used 1,2-dimethyl-3-hydroxypyrid-4-one with trivalent europium Eu(III), was investigated by using potentiometric and spectroscopic methods. The stability constants of the EuLn (3-n)+ ...
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Interaction of antimony(III) chloride with thiourea, 2-mercapto-5-methyl- benzimidazole, 3-methyl-2-mercaptobenzothiazole, 2-mercaptopyrimidine, and 2-mercaptopyridine
(2011)New antimony(III) chloride complexes with heterocyclic thioamides, thiourea (TU), 2-mercapto- 5-methyl-benzimidazole (MMBZIM), 3-methyl-2- mercaptobenzothiazole (MMBZT), 2-mercaptopyrimidine (PMT), 2-mercaptopyridine (PYT) ...
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Interaction of Chromium(III) with a N, N ′-disubstituted hydroxylamine-(diamido) ligand: A combined experimental and theoretical study
(2014)Reaction of hydroxylamine hydrochloride with prop-2-enamide in dichloromethane in the presence of triethylamine resulted in the isolation of the N,N′-disubstituted hydroxylamine-(diamido) ligand, 3,3′-(hydroxyazanediyl)d ...
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Interaction of metal complexes with G-quadruplex DNA
(2010)[Figure Presented] Guanine-rich sequences of DNA can assemble into tetrastranded structures known as G-quadruplexes. It has been suggested that these secondary DNA structures could be involved in the regulation of several ...
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Interaction of metal complexes with nucleic acids
(2010)This chapter reviews the literature reported during 2009 in the field of interaction of metal complexes with nucleic acids, also covering complex formation between transition metal ions and coordinating moieties within ...
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Interactions of hydroxycarbamide (Hydroxyurea) with Iron and copper: Implications on toxicity and therapeutic strategies
(2011)Presented at the 19th International Conference on Chelation, London, UK, 13-16 November 2009Preliminary spectrophotometric and potentiometric studies have shown that hydroxycarbamide or hydroxyurea (HU) can interact with ...
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Interesting copper(ii)-assisted transformations of 2-acetylpyridine and 2-benzoylpyridine
(2016)The reactions of various copper(ii) sources with 2-acetylpyridine, (py)(me)CO, and 2-benzoylpyridine, (py)(ph)CO, under strongly basic conditions have been studied and novel ligand transformations have been discovered. ...
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