Tome 55, No 1 Janvier 2010

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1. Constantin MIHAILCIUC and Stelian LUPU

Determination of ascorbic acid in the presence of epinephrine at Pt electrode modified with poly(3-methylthiopnene)

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Key words: epinephrine, ascorbic acid, cyclic voltammetry.

2. Alexandru ENEŞCA, Luminiţa ANDRONIC and Anca DUŢĂ

Influence of sodium ions (Na+) dopant on the efficiency of the tungsten trioxide photoelectrode.

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Key words: WO3, dopant ions, thin films, photoelectrode, optoelectric properties.

3. Mircea ŞTEFĂNESCU, Marcela STOIA, Oana ŞTEFĂNESCU, Corneliu DAVIDESCU, Gabriela VLASE and Paula SFÎRLOAGǍ

Synthesis and caracterization of poly(vinylalcohol)/ethylene glycol/silica hybrids. Thermal analysis and FT-IR study.

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Key words: ethylene glycol; hybrid; poly(vinyl alcohol); tetra(ethyl)ortosilicate.

4.Charles Guillaume KODJO, Hervé ZABRI, Bosson Antoine KOUAME et Jacques ESTIENNE

Corrélation structure-activité physicochimique de la 3,4,5-triméthoxy N-(6-méthoxysalicylidène)aniline.

Structure-activity relantionship in 3,4,5-trimethoxy N-(6-methoxy salicylidene) aniline.

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Key words: salicylideneaniline, γ structural mode, π…π interaction, thermochromic, photochromic.

5. Florica PAPA, Luminiţa PATRON, Oana CARP, Carmen PARASCHIV and Ioan BALINT

Catalytic activity of neodymium substituted zinc ferrites for oxidative conversion of methane
Maximum C+ yield & conversion (%).

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Key words: oxidative coupling of methane, methane oxidative conversion, oxide surface basicity, lanthanide-alkaline-earth oxides catalysts.

6. Carmen MANEA, Corneliu PODINĂ, Ioan PORDEA, Gheorghe CRUŢU, Gabriela ILIE and Ioan ROBU

The radiological risk assessment due to the radioactivity of thermal power station ashes added in building materials.

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Key words: radioactivity, radioactive index, radiation risk, NORM, TENORM.


Viscosity and density of systems with water, 1,4-dioxane and ethylene glycol between (293.15
and 313.15)K. I. Binary systems.

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Key words: viscosity, density, binary liquid mixtures, 1,4 dioxane, ethylene glycol.

8. Venera BRINZEA, Maria MITU, Domnina RAZUS and Dumitru OANCEA

Overall activation parameters of propane oxidation in flames from normal burning velocities.

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Key words: propane-air mixtures, deflagration, burning velocities, overall reaction orders, overall activation energies

9. Daniela C. CULIŢĂ, Gabriela MARINESCU, Luminiţa PATRON, Floriana ŢUNĂ, Nicolae STANICĂ and Ma YUN

Coordination compounds of Co(II), Ni(II), Cu(II) and Zn(II) with ursodeoxycholic acid.

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Key words: ursodeoxycholic acid, coordination compounds, physico-chemical characterization.

10. Aurica VARLAN and Mihaela HILLEBRAND

Study on the interaction of 2-carboxyphenoxanthiin with bovine serum albumin and human serum lbumin by fluorescence spectroscopy and circular dichroism.

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Key words: steady state fluorescence, synchronous fluorescence, circular dichroism, 2-carboxyphenoxathiin, bovine serum albumin human serum albumin.

11. In memoriam Prof. Ioan Silaghi-Dumitrescu (1950–2009)

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