No 7-8 Juillet-Août 2012

Tome 57, No 7-8 Juillet-Août 2012

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Professor Victor-Emanuel SAHINI

Rev. Roum. Chim., 2012, 57(7-8), 641-648

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1. Eugen SEGAL

Kinetic analysis of a multiroute reaction by means of graphs

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Key words: graph, multiroute reaction, stage, basic determinant.

2. Alina NICOLESCU, Natalia SIMIONESCU, Laura URSU, Calin DELEANU and
Bogdan C. SIMIONESCU

The effect of therapeutic doses of paracetamol and aspirin on the NMR profile of urine at 400 MHz

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Key words: paracetamol, acetaminophen, aspirin, urine, metabolites, NMR spectroscopy.

3. Maria-Cristina POPESCU, Cornelia VASILE and Bogdan C. SIMIONESCU

2D IR dichroism spectra of poly(vinyl alcohol)

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Key words: IR Dichroism, 2D correlation spectroscopy, poly(vinyl alcohol).

4. Cristina TABLET, Luigi DUMITRACHE, Liliana MINEA and Mihaela HILLEBRAND

Inclusion complexes of 3-carboxy- and 7-diethylamino-3-carboxy-coumarin with α-cyclodextrin: spectral study and molecular modeling

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Key words: coumarins derivatives, cyclodextrins, fluorescence, induced circular dichroism, molecular modeling.

5. Domnina RAZUS, Maria MITU, Venera BRINZEA, Adina MUSUC and Dumitru OANCEA

Kinetic modeling of flame propagation in gaseous propane-air mixtures

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Key words: propane, flames, combustion, modeling, burning velocity.

6. Niculae I. IONESCU

Role of the third adsorbed species in the heterogeneous catalytic oscillatory reactions

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Key words: oscillations, three different reactants.

7. Masood SARWAR, Augustin M. MADALAN, Catalin MAXIM and Marius ANDRUH

A dinuclear iron(III) complex bridged by the dianion of trimesic acid – [{Fe(3- MeOsaldmpn)(H2O)}2Htrim]·H2O: synthesis, crystal structure and magnetic properties

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Key words: iron(III) complexes, Schiff-base ligands, magnetic properties, polycarboxylato linkers.

8. Adina ROGOZEA, Florenta SAVONEA and Gabriela IONIŢĂ

EPR study on organogels based on 12-hydroxystearic acid

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Key words: EPR spectroscopy, organogel, 12-hydroxystearic acid.

9. Emilia-Elena IORGULESCU, Elena VARZARU, Daniela BALA and Constantin MIHAILCIUC

Electrochemical study of the oxidation of usnic acid in different organic solvents

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Key words: usnic acid, cyclic voltammetry, differential pulse voltammetry, polar aprotic solvents.

10. Andreea LUNGU, Daniela BALA, Teodora STAICU and Constantin MIHAILCIUC

Cyclic voltammetry of quercetin in the presence of sodium dodecyl sulfate

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Key words: quercetin, SDS, cmc, CV.

11. Elena BACALUM, Emilia-Elena IORGULESCU and Victor DAVID

Enrichment of several benzodiazepines by solid-phase extraction with octyl and phenyl silica adsorbents

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Key words: benzodiazepines, solid-phase extraction, sample enrichment, adsorbents.

12. Zenovia MOLDOVAN

A spectrophotometric method for captopril determination by using fluorescein natrium- bromine system

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Key words: captopril, fluorescein natrium, spectrophotometric determination.

13. Iuliana STOICESCU, Rodica SIRBU, Ticuta NEGREANU-PIRJOL, Monica COCIASU, Doina Paula BALABAN and Camelia BALA

In vitro antioxidant and antibacterial activity of Trapa natans L. aquatic plant from Danube Delta area

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Key words: Trapa natans L. water chestnut, antioxidant activity, antibacterial activity.

14. Iulia HĂRĂBOR, Viorel BRÂNZOI and Florina BRÂNZOI

Effect of new organic polymers as green inhibitors on the corrosion behaviour of 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, metallurgical microscopy techniques.

15. Mariana ANGHEL, Titus VLASE, Gabriela VLASE, Paul ALBU, Nicolae DOCA, Iolanda TOLAN and Mircea MRACEC

Hyphenated techniques used by evaluation of the thermal behaviour of glycyrrhetinic acid

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Key words: glycyrrhetinic acid, non-isothermal kinetics, thermal behavior, odified NPK methods, EGA.

16. Josette WEINBERG, Dan A. LERNER and Constantin BĂLĂCEANU-STOLNICI

Theoretical study of DHEA. A possible new drug from a complex between DHEA and 5-HTP

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Key words: HEA, 5-HTP, Ab initio, Density functional theory, B3LYP, NBO.

17. Liliana HALIP, Alexandra T. GRUIA, Ana BOROTA, Maria MRACEC, Ramona F. CURPAN and Mircea MRACEC

3D homology model of the α2C-adrenergic receptor subtype

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Key words: omology model, 2RH1 PDB template, GPCR, 3D-model α2C drenergic receptor.

18. Cătălin BLEGESCU, Dumitru GÂNJU and Mircea Nicolae PALAMARU

Supported Fe, Ni – acetate cluster used in oxidizing processes of organic colorants

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Key words: polynuclear compound, silica matrix, (3-mercaptopropyl)- trimetoxysilane, indigo-carmine, hydrogen peroxide.