No 2, Fevrier 2010

Tome 55, No 2 Fevrier 2010

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1. Ciprian George PIULEAC, Silvia CURTEANU and Maria CAZACU

Stacked neural network modeling applied to the process of metal ion sorption by the functional silica xerogel.

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Key words: functionalized silica, metal uptake, azomethine, stacked neural networks, modeling.

2. Nicoleta-Gabriela MUŞAT, Valentin MUNTEANU, Mihaela PUIU, Domnina RĂZUŞ and Dumitru OANCEA

Ignition and quenching of flammable n-butane-air mixture at various initial pressures. Critical properties.

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Key words: quenching distance, minimum ignition energy, maximum experimental safe gap.

3. Niculae I. IONESCU, Nils I. JAEGER, Peter J. PLATH and Cristian HORNOIU

Ignition of catalytic oxidation of ethanol in oscillatory regime.

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Key words: ignition, oscillations, activation energy.

4. Andreea LUNGU, Ileana SANDU, Cristian BOSCORNEA, Stefan TOMAS and Constantin MIHAILCIUC

Electrochemical study of curcumin and bisdemethoxycurcumin on activated glassy carbon electrode.

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Key words: curcumin, bisdemethoxycurcumin, anodically activated GCE, cyclic voltammetry and differential pulse voltammetry.

5. Gheorghiţă N. ZBANCIOC, Ana Maria V. ZBANCIOC and Ionel I. MANGALAGIU

Microwave-assisted synthesis of aromatic bisesters in liquid phase.

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Key words: microwave, mono- and bis- esters, liquid phase, eco-friendly.

6. Dana Elena POPA, Mihaela BULEANDRĂ, Mihaela MUREŞEANU, Marcel IONICĂ and Ion Gh. TĂNASE

Carbon paste electrode modified with organofunctionalized mesoporous silica for electrochemical detection and determination of copper(II) using cyclic voltammetry and anodic stripping voltammetry.

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Key words: copper, modified carbon paste electrode, organofunctionalized silica, cyclic voltammetry, anodic stripping voltammetry.

7. Daniela C. CULIŢĂ, Gabriela MARINESCU, Luminiţa PATRON and Lucian DIAMANDESCU

Synthesis and characterization of maltol modified magnetite nanoparticles.

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Key words: functionalized magnetite, superparamagnetism, FTIR, TEM, Mössbauer spectroscopy.

8. Cristina TABLET, Sorana IONESCU and Mihaela HILLEBRAND

Fluorimetric characterization of the interaction of 3-carboxy-5,6-benzocoumarinic acid with micelles.

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Key words: coumarin derivative, micelle, fluorescence, binding constants.

9. Anca BEJENARIU, Marcel POPA, Luc PICTON and D. LE CERF

Effect of concentration, pH and temperature on xanthan conformation: a preliminary study before crosslinking.

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Key words: xanthan, conformation, hydrogels.

10. Dan Tiberiu COSTIN, Robert Vasile GRĂDINARU, Gheorghe NEMŢOI and Karin POPA

Insight on the 204Tl+ – Escherichia coli system.

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Key words: chemotoxicity, Escherichia coli, radiotoxicity, reduction, 204Tl+.