No 4-5 Avril-Mai 2013

Tome 58, No 4-5 Avril-Mai 2013

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Professor Eugen Segal

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1. Ovidiu OPREA, Marioara BEM, Miron T. CAPROIU, Constantin DRAGHICI, Rodica D. BARATOIU-CARPEN, Ana C. RADUTIU, Adrian BETERINGHE, Cristian ENACHE, Gabriela IONITA, Titus CONSTANTINESCU and Alexandru T. BALABAN 

 

Synthesis and properties of new 2-benzothiazole and 2-benzoxazole-nitroaryl-sulfides

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Key words: mercaptobenzothiazole and mercaptobenzoxazole derivatives, DSC and DTG, electronic absorption spectra, fluorescence, RP-TLC, X-ray-crystallography. 

2. Susana MIHAIU, János MADARÁSZ, György POKOL, Imre Miklós SZILÁGYI, Tímea KASZÁS, Oana Cătălina MOCIOIU, Irina ATKINSON, Alexandra TOADER, Cornel MUNTEANU, Virgil Emanuel MARINESCU and Maria ZAHARESCU 

 

Thermal behavior of ZnO precursor powders obtained from aqueous solutions

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Key words: ZnO formation, wet chemical routes, structure, morphology. 

3. Maria-Cristina POPESCU and Bogdan C. SIMIONESCU 

 

Transition temperatures and molecular interactions of polytetrahydrofuran/colesteril palmitate blends by principal component analysis

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Key words:  transition temperature, principal component analysis, polytetrahydrofuran/colesteril palmitate blends. 

4. Silviu NASTASE, Catalin MAXIM, Carine DUHAYON, Jean-Pascal SUTTER and Marius ANDRUH 

Synthesis and crystal structure of two new cyanido- bridged [MnIII5MoIV] and [MnIII2AuI] heterometallic complexes

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Key words:  manganese(III) complexes, Schiff bases, gold(I) complexes, molybdenum(IV) complexes. 

5. Anca VASILE, Cristian HORNOIU, Veronica BRATAN, Daniela NEGOESCU, Monica CALDARARU, Niculae I. IONESCU, Tatiana YUZHAKOVA and Ákos RÉDEY 

 

In situ electrical conductivity of propene interaction with SnO2-CeO2 mixed oxides

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Key words:  tin-cerium mixed oxide catalysts, electrical conductivity. 

6. Petru BUDRUGEAC 

 

Thermokinetic study of the thermo-oxidative degradation of a composite epoxy resin material

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Key words:  composite epoxy resin material, thermo-oxidative degradation, non-isothermal kinetics. 

7. Mircea NICULESCU and Petru BUDRUGEAC 

Structural characterization of nickel oxide obtained by thermal decomposition of polynuclear coordination compound [Ni2(OH)2(H3CCH(OH)COO-)2(H2O)2·

0.5H2O]n

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Key words:  nickel oxide, crystalline structure, surface morphology. 

8. Mircea NICULESCU, Petru BUDRUGEAC, Ionuţ LEDEŢI,Vasile PODE and Mihail BÎRZESCU 

 

Synthesis and characterization of the polynuclear coordination compound obtained through the reaction of 1,3-propanediol with Cu(NO3)2.3H2O

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Key words: 1,3-propanediol; nitrate; polynuclear coordination compound; 3-hydroxy-propionate; copper oxide. 

9. Anett TOTH, Alina LUPAN, Ciprian I. RAŢ, Cristian SILVESTRU and Anca SILVESTRU 

 

New group 12 metal complexes with anionic [{OP(OEt)2}(SePPh2)N] ̄ ligands

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Key words: organophosphorus ligands, group 12 metal complexes, structure elucidation. 

10. Cassiana Cristina ANDREI, Daniela BALA and Constantin MIHAILCIUC  

 

Electrochemical study of 2,2-diphenyl-1-(2,4- dinitrophenyl)hydrazine and 2,2-diphenyl-1-(3,5-dinitropyridin-2-yl) hydrazine

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Key words: CV, DPV, hydrazine derivatives. 

11. Iulia MATEI, Sorana IONESCU and Mihaela HILLEBRAND 

 

Induced chirality of genistein upon binding to albumin: circular dichroism and TDDFT study

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Key words: isoflovone, human serum albumin, induced circular dichroism, time-dependent density functional theory. 

12. Ana Maria TOADER, Mihaela ŢONE and Elena VOLANSCHI 

 

Hemin in vitro interaction with the anticancer drug doxorubicin: absorption and emission monitoring

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Key words: doxorubicin, hemin, fluorescence, absorption spectroscopy. 

13. Jana PETRE, Vasile IANCU and Victor DAVID  

 

Thermodynamic study of the liquid chromatography retention process for some pesticides on C8 and C18 silica-based stationary phases

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Key words: thermodynamics, van’t Hoff plots, pesticides, liquid chromatography, silica-based stationary phase. 

14. Florin SOPONAR, Dumitru STANILOAE, Georgeta MOISE, Balazs SZANISZLO and Victor DAVID 

 

Simultaneous determination of paracetamol, propyphenazone and caffeine from pharmaceutical preparations in the presence of related substances using a validated HPLC-DAD method

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Key words: paracetamol, propyphenazone, caffeine, HPLC, pharmaceutical preparations, related impurities. 

15. Ionuţ LEDEŢI, Adriana FULIAŞ, Gabriela VLASE, Titus VLASE and Nicolae DOCA 

 

Novel triazolic copper(II) complex: synthesis, thermal behaviour and kinetic study

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Key words: alkylated triazole, copper complex, thermal analysis, kinetic study. 

16. Viorel SASCA, Orsina VERDEŞ, Livia AVRAM and Alexandru POPA 

 

Thermal decomposition of Pd doped 12-tungstophosphoric acid and some of its cesium salts

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Key words: non-isothermal kinetic study, Pd doped 12-tungstophosphoric acid, Pd doped cesium tungstophosphates, kinetics of constitutional water loss. 

17. Daniela IVAN, Simona FUNAR-TIMOFEI, Mihai MEDELEANU, Maria MRACEC and Mircea MRACEC  

 

Formation enthalphy for conformers of (3S,5S,6S)- 6-acetylamidopenicillanic acid calculated by the PM6 and PM7 semiempirical MO methods

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Key words: (3S,5S,6S)-6-acetylamidopenicillanic acid, formation enthalpies, PM6, PM7, MOPAC12. 

 

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