Category Archives: Year 2013 Issue 12

Plastic blasting and deflashing media in shot blasting treatment

Plastic blasting and deflashing media in shot blasting treatment
WOŹNIAK K.

Please cite as: CHEMIK 2013, 67, 12, 1227–1238

These article presents modern plastic blasting media. Discussed media are divided into two groups. First of them comprises eight blasting plastic media with irregular particles produced by grinding and size classification of specific plastic parts. Another group are thermoplastic deflashing media with regular particles formed in shape of cubes, cylinders...

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Application of ion chromatography for determination of chlorine content in solid biomass for power sector

Application of ion chromatography for determination of chlorine content in solid biomass for power sector
ZAPAŁA E., PATYNA I., FABJAŃSKA-ŚWIECA G., TARNOWSKA J

Please cite as: CHEMIK 2013, 67, 12, 1217–1226

One of the crucial parameters deciding whether give type of biomass might be used in thermo-chemical conversion is chlorine content. This element, together with nitrogen and sulphur, is a main source of acidic compounds causing corrosion of...

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Preparation of SnO2 thin films for photovoltaic electrode materials using sol-gel method

Preparation of SnO2 thin films for photovoltaic electrode materials using sol-gel method
MARTYŁA A., MAJCHRZYCKI Ł., MARCINIAK P., SZTORCH B. KOPCZYK M., PRZEKOP R.

Please cite as: CHEMIK 2013, 67, 12, 1207–1216

The aim of the study was to obtain SnO2 thin films on glass using a sol-gel technique and organic tin compounds. The layers were prepared by dip coating deposition of SnO2 sol in methanol. The resulting...

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Modification of BaYMn2O5+δ perovskite in an aspect of development of oxygen storage technology in perovskite oxides

Modification of BaYMn2O5+δ perovskite in an aspect of development of oxygen storage technology in perovskite oxides
KLIMKOWICZ A., ZHENG K., FIOŁKA G., ŚWIERCZEK K.

Please cite as: CHEMIK 2013, 67, 12, 1199–1206

This work presents an approach to modification of oxygen storage properties of BaYMn2O5-BaYMn2O6 system by a chemical substitution of yttrium by gadolinium. Characterization of structural properties and results of measurements of reversible oxygen storage...

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Nature inspired dyes for the sensitization of titanium dioxide photocatalyst

Nature inspired dyes for the sensitization of titanium dioxide photocatalyst
GUSIAK N.B., KOBASA I.M., KUREK S.S.

Please cite as: CHEMIK 2013, 67, 12, 1191–1198

Three polymethine dyes with indoline end groups were studied. Based on electrochemical and spectroscopic data it was shown that their LUMO energy is higher in energy than the conductance band edge of anatase TiO2 and hence they may act as sensitisers. Photocatalytic test results...

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Selected copper(I) complexes as potential anticancer agent

Selected copper(I) complexes as potential anticancer agent
PŁOTEK M., DUDEK K., KYZIOŁ A.

Please cite as: CHEMIK 2013, 67, 12, 1181–1190

Cancer is the second most frequent cause of death in the world. One of the transition metal, whose complexes are extensively tested for antitumor application is copper. This article presents selected examples of cytotoxic activity and mode of action of copper(I) complexes. Keywords: anticancer therapies, copper(I) complexes, cytotoxicity...

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Polysiloxanes as supports for catalysts

Polysiloxanes as supports for catalysts
CYPRYK M., POSPIECH P.

Please cite as: CHEMIK 2013, 67, 12, 1173–1180

This article aims to review the current knowledge of the use of soluble polymers as catalyst supports, with particular emphasis on polysiloxanes. Physicochemical properties of polysiloxanes suggest their usefulness as catalyst supports. Synthesis of polysiloxanes of various macromolecular topologies – linear and star-shaped and hyperbranched – with the functional side groups capable...

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Phenomenon of Life in the Eyes of a Chemist: Addy Pross

Phenomenon of Life in the Eyes of a Chemist: Addy Pross
TWARDOWSKI M.

Please cite as: CHEMIK 2013, 67, 12, 1163–1172

Addy Pross, a professor of chemistry at the Ben-Gurion University in Beer Sheva, inspired by Schrödinger’s book What is Life, focuses in his research on the nature of life, which has attracted the naturalists for decades. The Israeli scholar makes a stance that we will never understand what life...

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