No 6, Juin 2007

Tome 52, No 6, Juin 2007

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1. Mariana ALBULESCU and Marinela POPOVICI

Isoflavones – biochemistry, pharmacology and therapeutic use

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Key words: isoflavone, phytoestrogens, daidzein, genistein, equol

2. Laura ORIAN

A DFT investigation of the structural and electronic properties of Co(I) and Rh(I) half-sandwich complexes with heteroaromatic π ligands

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Key words: DFT calculations, cobalt, rhodium, heteroaromatic π ligands, alkyne cyclotrimerization

3. George BRĂTULESCU

Préparation des hydrazonates à partir des orthoesters et phénylhydrazine
Preparation of hydrazonates from orthoesters and phenylhydrazine

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Key words: hydrazonates, alumine, micro-ondes, spectres IR

4. Adina Magdalena MUSUC, Crisan POPESCU, Domnina RAZUS and Dumitru OANCEA

Non-isothermal kinetic analysis of thermal decomposition of 2,4-dinitrophenylhydrazine

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Key words: thermal decomposition; 2, 4 – dinitrophenylhydrazine; non -isothermal kinetic analysis; multi – step reaction

5. Adriana PĂTRU, Ion BIBICU, Mihaela FLOROIU, Mircea PREDA and Bogdan TUTUNARU

A study on the inhibition of carbon steel corrosion in an 1M HCl solution by using ammonium polymolibdate (APM)

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Key words: carbon steel, corrosion, inhibition, Mössbauer spectrometry, ammonium polymolibdate

6. Dan DRAGU and Mihai BUDA

Basic discretisation techniques used in cyclic voltammetry numerical simulations. Comparisons and practical aspects

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Key words: digital simulation, cyclic voltammetry, discretisation

7. Viorel BRÂNZOI, Alina PRUNĂ and Florina BRÂNZOI

The effect of some organic surfactans on the corrosion of zinc in neutral and alkaline aqueous solutions

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Key words: hydrogen overvoltage, surfactants, inhibitive action, corrosion process, dissolution kinetics

8. Doina DRĂGAN, Simona CUCU-MAN, Raluca MOCANU and Adrian COVACI

Accelerated solvent extraction method for the determination of polychlorinated biphenyls and organochlorine pesticides in soil

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Key words: accelerated solvent extraction, organochlorine pesticides, polychlorinated biphenyls, soil

9. Florentin TACHE and Monica ALBU

Specificity of an analytical HPLC assay method of metformin hydrochloride

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Key words: specificity, selectivity, Metformin, photolysis, photolytichydrolysis, acidic/alkaline hydrolysis, oxidation, thermal degradation

10. J. KARTHIKEYAN, P. PARAMESHWARA, A. NITYANANDA SHETTY and Prakash SHETTY

Thioacetamide as a releasing agent for the complexometric determination of thallium(III) in its synthetic alloys and complexes

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Key words: EDTA, thallium determination, thioacetamide, complexometric method

No 2, Février 2006

Tome 51, No 2, Février 2006

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1. Adrian CHIRIAC, Dan CIUBOTARIU, Simona FUNAR-TIMOFEI, Ludovic KURUNCZI, Maria MRACEC, Mircea MRACEC, Zoltan SZABADAI, Edward ŞECLĂMAN and Zeno SIMON

QSAR and 3D-QSAR in Timişoara. 1972 – 2005

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Key words: QSAR, 3D-QSAR, MSD, MTD, MTD-PLS, acetic acid derivatives

2. Bogdan BUCUR, Mónica CATALA ICARDO and José MARTINEZ CALATAYUD

Spectrophotometric determination of ammonium by an rFIA assembly

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Key words: ammonia analysis, reverse Flow Injection Analysis (rFIA), modified Berthelot reaction, gas diffusion separation, spectrophotometric determination

3. Doina HUMELNICU, Ionel HUMELNICU and Dănuţ Gabriel COZMA

Study of the UO2²+–acid-2-amino-1-naphtalen sulphonic (ANS) system in solution

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Key words: uranyl ions, semiempirical methods, Arsenazo III, spectrophotometric methods

4. Abdil ÖZDEMIR, Halil AKSOY, Erdal DINÇ, Dumitru BĂLEANU and Saadet DERMIŞ

Determination of guaifenesin and dextromethorphan in a cough syrup by HPLC with fluorometric detection

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Key words: liquid chromatography, fluorometric detection, syrup

5. Prakash SHETTY and A. Nityananda SHETTY

Complexometric determination of thallium(III) using sodium metabisulphite as a selective releasing agent

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Key words: complexometry, EDTA complex, releasing agent, sodium metabisulphite, thallium determination

6. Gabriela Elena BADEA and Teodora BADEA

Kinetics and mechanism of the bromate electrochemical reduction at platinum electrode

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Key words: bromate, reduction, platinum electrode, mechanism

7. Valentina CHIOSA, Cristina MANDRAVEL, Cristiana-Lucia TEODOREANU and Ioana STĂNCULESCU

Comparison of QSPR properties for cholesterol and cholestanol oligomeric association forms

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Key words: cholesterol, cholestanol, oligomers, QSPR properties, energy of interaction

8. Simona RADA and Ioan SILAGHI-DUMITRESCU

Structural, energetic and electronic characterization of the chiral carbon-nitride nanotubes

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Key words: carbon-nitrogen nanotubes, semiempirical calculations, electronic properties, electronic nanodevices

9. Oana Laura RADU, Sylvie ARMAND, François LENOUVEL, Huges DRIGUEZ, Anişoara CÎMPEAN et Dana IORDĂCHESCU

La glycosylation de la lutéoline, en milieux de solvents organiques, par l’action catalytique de la cyclodextrine glycosyltransférase de Bacillus circulans Luteolin glycosylation in organic solvents under catalytic action of cyclodextrin glycosyltransferase from Bacillus circulans

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Key words: lutéoline, cyclodextrines, cyclodextrine glycosyltransférase, Bacillus circulans, transglycosylation, solvents organiques, applications médicales

10. Vasilica DIMA, Petru BALTĂ and Roxana ŞERBAN

Coloured sulphate glasses

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Key words: sulphate glasses coloured, 3d ions, absorption spectra, redox equilibrium