No 5, Mai 2007

Tome 52, No 5, Mai 2007

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1. Vasile DINOIU

Chemical fluorination of organic compounds

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Key words: fluorine, electrochemical partial fluorination, perfluorination

2. George BRĂTULESCU

Synthèse des dérivés cycliques du 4,5-benzo- 1,3,2-diazaphosphole
Synthesis of 4,5-benzo-1,3,2-diazaphosphole cyclo-derivatives

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Key words: 4,5-benzo-1,3,2-diazaphospholes, micro-ondes, RMN

3. Romuald BERTHET, Amar ZERROUKHI, Gérald BRUN, Teodora ZECHERU and Corneliu CINCU

Synthesis and optical properties analysis of a new polymeric optical fiber for side lighting

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Key words: plastic fibre, radical polymerization, light scattering, acrylate monomer

4. Mihaela Ligia UNGUREŞAN and Gavril NIAC

Composition of the intermediate of the fast interaction between copper(II) and thiosulfate ions in aqueous solutionie
Synthesis of new N-acylphenothiazinic derivatives with potential activity in chemotherapy

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Key words: fast redox reaction, copper ions, thiocompounds, stopped-flow technique, Job’s method

5. Viorica MELTZER and Gabriela CRISTESCU

Thermodynamic study and structuremesomorphism correlation for new sitosteryl benzoate compounds

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Key words: polymorphism, DSC, thermomicroscopy, liquid crystal, sitosteryl benzoate compounds

6. Gabriela Elena BADEA

Autocatalytic reduction of iodate at the platinum electrode in 0.5 M H2SO4 solutions

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Key words: iodate, reduction, platinum electrode, polarisation curves

7. Iulia SORA, Toma GALAON, Victor DAVID and Andrei MEDVEDOVICI

Determination of nimesulide and its active metabolite in plasma samples based on solvent deproteinization and HPLC-DAD analysis

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Key words: liquid chromatography, nimesulide; 4’-hydroxy-nimesulide, human plasma, protein precipitation with acetonitrile, bioavailability

8. Magdalena DIANU and Corneliu PODINĂ

The safety of environment in final disposal of Ultima Gold scintillation liquid cocktail used for determination of the radioactive content in various samples at Cernavoda Nuclear Power Plant

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Key words: scintillation, tritium, cementation, waste

9. Margarita GABROVSKA, Rumeana EDREVA-KARDJIEVA, Verislav ANGELOV, Dorel CRIŞAN,
Gabriel MUNTEANU and Jacques VÉDRINE

Mg-Al and Mg-In oxide compounds as catalyst components for the oxidative dehydrogenation of propane. Part I. Preparation and characterization of the as-synthesized materials

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Key words: co-precipitation and evaporation, Mg-Al and Mg-In hydrotalcitelike materials, XRD, IR

10. Margarita GABROVSKA, Rumeana EDREVA-KARDJIEVA, Verislav ANGELOV, Dorel CRIŞAN and
Jean-Marc M. MILLET

Mg-Al and Mg-In oxide compounds as catalyst components for the oxidative dehydrogenation of propane. Part II. Characterization of the calcined materials

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Key words: Mg-Al and Mg-In oxide compounds, DTA-TG, XRD, IR

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