No 2 Fevrier 2011

Tome 56, No 2 Février 2011

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1. Daniela IVANOV, Dan MAFTEI and Mircea A. CONSTANTINESCU

Maleamic acids cyclodehydration with anhydrides. DFT study in the gas phase and solution

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Key words: cyclic transition state; DFT; maleimide; isomaleimide; cyclodehydration

2. Mihail CONTINEANU, Iulia CONTINEANU, Ana NEACŞU and Ştefan PERIŞANU

Kinetics and mechanism of the thermal decay of the radicals formed during the radiolysis of sodium selenate

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Key words: sodium selenate, ESR, radiolysis, thermal decay

3. Daniela BALA, Teodora STAICU and Constantin MIHAILCIUC

Onentropysourceandvarioustypes ofoverpotentialsencounteredatITIES in closed circuit conditions

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Key words: ITIES, closed circuit, entropy production, redox chemical reaction, polarization, overpotentials

4. Florina BRÂNZOI , Viorel BRÂNZOI and Iulia HĂRĂBOR

Adsorption and inhibitive corrosion properties of some new polymeric compounds on carbon steels in cooling water systems

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Key words: organic inhibitors, microwaves energy, cooling water systems, electrochemical polarization, spectroscopy FT-IR, electrochemical impedance spectroscopy and metallurgical microscopy techniques

5. Dorin ŞULEA, Marin MICUTZ, Mădălina Georgiana ALBU, Teodora STAICU and Minodora LECA

Collagen-thuja tincture biomaterials for wound treatment. 2. Hydrogels and porous matrices

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Key words: collagen hydrogels, collagen porous matrices, collagen-based biomaterials containing thuja tincture

6. Elena BACALUM, Medeea RADULESCU, Emilia-Elena IORGULESCU and Victor DAVID

Breakthrough parameters of SPE procedure on C18 cartridges for some polar compounds

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Key words: the breakthrough volume; hold-up volume; retention volume; C18 sorbent; atenolol; metoprolol; pentoxifylline

7. Greta PATRINOIU, Diana VISINESCU, Alina TIRSOAGA and Oana CARP

Green synthetic strategy for oxide materials: polysaccharides-assisted synthesis. Part III. Dextran-assisted synthesis of nanosized metal-oxides

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Key words: dextran, oxide nanopsrticles, coating, template

8. Mihaela FLOREA, Stephanie DELSARTE, Elisabeth van KEULEN and Paul GRANGE

1-butanol dehydration and dehydrogenation over vanadium aluminium oxynitride catalysts

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Key words: vanadium, oxynitrides catalysts, 1-butanol, dehydration, dehydrogenation

9. Irina PETROVICIU, Doina CREANGĂ, Ionela MELINTE, Ileana CREŢU, Andrei MEDVEDOVICI and Florin ALBU

The use of LC-MS in the identification of natural dyes in the epitaphios from Suceviţa Monastery (15th century)

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Key words: natural dyes, liquid chromatography, mass spectrometry (single stage and tandem), epitaphios, Suceviţa Monastery

10. Eugen SEGAL

The use of graphs in the kinetic analysis of multiroute reactions

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Key words: graphs, rate equation, multiroute reaction, cyclic characteristic, conjugation parameters