No 7, Juillet 2007

Tome 52, No 7, Juillet 2007

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1. Ana Aurelia CHIRVASE, Ioan DUMITRACHE and Mihai Dan CARAMIHAI

Progress in characterization, modeling and control of aerobic bioprocess. Part I. Aerobic bioprocess and bioreactor characterization

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Key words: aerobic bioprocess, modelling, bioreactor characterization

2. Bianca FURDUI, Rodica DINICĂ, Martine DEMEUNYNCK, Ioan DRUŢĂ and Alexandru VLAHOVICI

New reactive pyridinium-indolizines fluorophores

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Key words: indolizine, flourophores, 4,4’-bipyridine, ylides, cycloaddition

3. Liliana BÎRLĂ, Beatriz PRIETO, Thierry NOGUEL, Jean VIGO and Anne-Cécile RIBOU

Comparative study of the interaction between BSA and three fluorescent probes: investigation of some critical parameters

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Key words: fluorescence, BSA, binding

4. Gabriela LISA and Cătălin LISA

Prediction of excess thermodynamic properties from experimental refractive index of binary mixtures. 1. Water-propionic acid mixtures at 290.15, 300.15 and 310.15 K

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Key words: excess thermodynamic properties, prediction, water – propionic acid mixtures

5. Gheorghe NEMŢOI, Marius Sebastian SECULA and Igor CREŢESCU and Stelian PETRESCU

Voltammetric characterization of copper and aluminum behavior in concentrated aqueous solutions of phosphoric acid

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Key words: anodic dissolution, voltammetry, rotating disc electrode technique, charge transfer, mass transport

6. Florin CRIŞAN and Ervin SALLO

Zinc anodization in acidic media. Oscillations influenced by nitrate ions

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Key words: oscillations, steady state, chaos, bifurcation

7. Andreea Irina COŞUŢCHI, Camelia HULUBEI, Manuela BUDA, Toni BOŢILĂ and Silvia IOAN

Theoretical and experimental study of dielectric and optical properties of some epiclon based polyimides

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Key words: polyimides, refractive index, dielectric constant

8. Viorica MUŞAT, Elvira FORTUNATO, Ştefan DIMA and Cătălina ITICESCU

Mesoporous sol-gel silica-based nanocomposite thin films

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Key words: cobalt oxide-SiO2, zinc oxide-SiO2, mesoporous thin films, nanocomposite, sol-gel

9. Dorel RADU, Mihai EFTIMIE and Mariana RADU

Assessing properties of silicate glasses at nano level

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Key words: silicate glasses, nanometric structure, melts properties

10. Ludovic SAYTI, Lidia TAUBERT, Mihai MILOS and Valentin CAREJA

Crystallization of magnesium trihydrate carbonate in presence of surfactants

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Key words: magnesium trihydrate carbonate, electrostatic potential, influenced crystallization, crystal habitus

11. Message from IUPAC

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No 4, Avril 2006

Tome 51, No 4, Avril 2006

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1. Professor Alexandru T. Balaban’s 75th anniversary

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1.-bis Addendum to Professor Balaban’s List of Publications

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2. Horia PETRIDE, Oana COSTAN, Cristina FLOREA and Silvia UDREA

Competitive amide hydrolysis in mono- and diformylated ethylenediamines

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Key words: amides, hydrolysis

3. Florea DUMITRAŞCU, Constantin DRĂGHICI, Daniela VULUGA and Miron Teodor CĂPROIU

New pyrazoles by 1,3-dipolar cycloaddition reactions between sydnones and activated alkynes

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Key words: sydnones, pyrazoles, 1,3-dipolar cycloaddition, regioselectivity, NMR spectroscopy

4. Rodica Daniela BĂRĂŢOIU, Anca Elena BARBU, Lucia MUTIHAC, Miron Teodor CĂPROIU, Constantin DRĂGHICI, Radu SOCOTEANU and Titus CONSTANTINESCU

4-(3-(phtalhydrazide)azo)N-phenylaza-15-crown-5. Synthesis and properties

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Key words: luminol, N-phenylaza-15-crown-5, luminol derivative, 1H- and 13CNMR spectra at different temperatures, VIS spectra, pKa

5. Constantin I. CHIRIAC, Fulga TANASĂ and Marioara ONCIU

A new direct synthesis of aromatic amides in the presence of triethyl phosphite and 4- dimethylaminopyridine

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Key words: direct condensation; new activating system; TEP-4-DMAP; aromatic amides

6. Mariana Viorica BOGĂŢIAN, Demetra SIMION (NUŢĂ), Andreea Cristina CORBU, Călin DELEANU, Filip CHIRALEU, Maria MAGANU and Gheorghe BOGĂŢIAN

Synthesis membranes derived from pyridinium salts with long alkyl substituents having a terminal free amino group

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Key words: pyridinium salts, artificial membranes, CMC, DLS

7. Gianina DOBRESCU, Niculae I. IONESCU and Monica CĂLDĂRARU

The fractal dimension of oscillations in SnO2/humid O2 system

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Key words: fractal dimension, oscillations, SnO2

8. Maria MRACEC, Laura JUCHEL and Mircea MRACEC

QSAR analysis of a series of imidazole derivatives acting on the H3 receptor

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Key words: QSAR, MLR, MTD, histamine H3 receptor, imidazolic derivatives

9. Niculae ENE and Maria Ileana IONITA

Electrochemical behaviour of dimethyl ether in alkaline solutions at 298 K

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Key words: dimethyl ether, fuel cell, electrochemistry, voltammetry, electrochemical kinetics

10. Marieta BALCAN, Dan F. ANGHEL, Dan DONESCU and Anca-Nicoleta GĂLĂŢANU

Effect of the mobile phase composition on the retention behavior of polydisperse ethoxylated nonylphenols in reversed-phase high performance liquid chromatography

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Key words: nonionic surfactants, poly(ethylene oxide), RP-HPLC, retention behavior, mobile phase composition

11. Ana Maria TOADER, Daniela BULCU and Elena VOLANSCHI

Spectroelectrochemical study of the redox behaviour of questiomycin drugs in aprotic media

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Key words: 2-aminophenoxazin-3-one, 2-aminophenol, cyclic voltammetry, spectroelectrochemistry, MO calculations

12. Maria MRACEC, Laura JUCHEL and Mircea MRACEC

QSAR analysis of a series of imidazole derivatives acting on the H3 receptor

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Key words: QSAR, MLR, MTD, histamine H3 receptor, imidazolic derivatives

13. Niculae ENE and Maria Ileana IONITA

Electrochemical behaviour of dimethyl ether in alkaline solutions at 298 K

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Key words: dimethyl ether, fuel cell, electrochemistry, voltammetry, electrochemical kinetics

14. Marieta BALCAN, Dan F. ANGHEL, Dan DONESCU and Anca-Nicoleta GĂLĂŢANU

Effect of the mobile phase composition on the retention behavior of polydisperse ethoxylated nonylphenols in reversed-phase high performanceliquid chromatography

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Key words: nonionic surfactants, poly(ethylene oxide), RP-HPLC, retention behavior, mobile phase composition

15. Ana Maria TOADER, Daniela BULCU and Elena VOLANSCHI

Spectroelectrochemical study of the redox behaviour of questiomycin drugs in aprotic media

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Key words: 2-aminophenoxazin-3-one, 2-aminophenol, cyclic voltammetry, spectroelectrochemistry, MO calculations