No 11, Novembre 2007

Tome 52, No 11, Novembre 2007

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1. Ileana DRĂGUŢAN, Valerian DRĂGUŢAN, Lionel DELAUDE, Albert DEMONCEANU and Alfred F. NOELS

N-heterocyclic carbene ruthenium complexes: synthesis and catalytic properties

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Key words: ruthenium complexes, N-heterocyclic carbenes, homogeneous precatalysts, olefin metathesis, cyclopropanation

2. Nenad Dj. LAZAROV, Vojislav SPASOJEVIĆ, Vladimir M. MATIĆ, Vladan KUSIGERSKI and
Maurice GUILLOT

Magnetic properties of asymmetric Co(II) dimer at low temperatures

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Key words: transition metal complex, exchange and superexchange, ising model, high field magnetization

3. Elena-Mihaela SEFTEL, Eveline POPOVICI, Vasile PODE and Geza BANDUR

Synthesis, characterization and thermal behavior of hydrotalcite-type MgxZnxAl

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Key words: hydrotalcite-type MgxZnyAl; XRD patterns; FTIR spectra; UV DR spectra; thermal analysis

4. Mihaela PUIU, Adina RĂDUCAN and Dumitru OANCEA

Kinetics of copper(II) catalyzed oxidation of 2-aminophenol in a continuous stirred tank reactor

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Key words: acrylamide, crosslinking polymer, simultaneous polymerization/crosslinking, swelling degree

10. Liviu Cosmin COTEŢ, Virginia DANCIU, Veronica COŞOVEANU, Ionel Cătălin POPESCU, Anna ROIG and Elies MOLINS

Synthesis of meso- and macroporous carbon aerogels

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Key words: carbon aerogels, sol-gel processing, meso-macrostructures

11. Beatrice VLAD-OROS, Monica DRAGOMIRESCU, Gabriela PREDA, Francisc PETER and Adrian CHIRIAC

Characterization of silica-based biomaterials containing microbial amylases

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Key words: microbial amylases, sol-gel, tetrathoxysilane, methyltriethoxysilane, phenyltriethoxysilane

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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