Nos 1-2, Janvier-Février 2007

Tome 52, Nos 1-2, Janvier-Février 2007

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Professor Ionel Haiduc

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Publications list

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1. Petronela Maria PETRAR, Gabriela NEMES, Luminita SILAGHI-DUMITRESCU, Ioan SILAGHI-DUMITRESCU, Jean ESCUDIÉ, Heinz GORNITZKA and Henri RANAIVONJATOVO

Synthesis and characterization of the first arsanylbis(methylene)phosphosrane (Me3Si)2C=P(Mes*)=C(Cl)-As(F)Mes*

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Key words: arsanylbis(methylene)phosphorane, heterocumulenes, heteroallenes

2. Mihai NEMA, Mihaela JÖNSSON, Richard A. VARGA, Anca SILVESTRU and Cristian SILVESTRU

Bismuth(III) complexes of tetraorganodichalcogenoimidodiphosphinic acids. Crystal and molecular structure of Bi[(SPMe2)(SPPh2)N]3 and Bi[(OPPh2)2N2][(OPPh2)(SPPh2)N]

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Key words: arsanylbis(methylene)phosphorane, heterocumulenes, heteroallenes

3. Anamaria TEREC, Elena BOGDAN, Luminiţa DAVID, Sorin MAGER and Ion GROSU

Synthesis and stereochemistry of some new bis(1,3-dioxane-2-yl)alkanes

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Key words: conformational analysis, NMR, 1,3-dioxanes, X-ray structure

4. Carmen Ioana LADIU, José R. GARCÍA, Ionel Catalin POPESCU and Lo GORTON

NADH electrocatalytic oxidation at glassy carbon paste electrodes modified with Meldola Blue adsorbed on acidic α-zirconium phosphate

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Key words: NADH oxidation, modified glassy carbon paste electrodes, electrocatalysis, α-titanium phosphate, redox dyes

5. Monica VENTER, Vasile N. BERCEAN, Maria ILICI and Simona CÎNTĂ PÎNZARU

New metal complexes of monoanionic (5-mercapto-1,3,4-thiadiazol-2-yl)thioacetic acid.
X-ray structure of [Na(C2N2HS3CH2COO)H2O)4]2·2H2O

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Key words: thiadiazole, sodium salt, X-ray structure, FT-IR, Raman

6. Codruţa VARODI, Delia GLIGOR and Liana M. MUREŞAN

Carbon paste electrodes modified with Methylene Blue immobilized on a synthetic zeolite

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Key words: Methylene Blue, zeolites, carbon paste electrodes, hydrogen peroxide

7. Valentina CHIOSA and Victor Em. SAHINI

Optical rotatory dispersion of some human serum albumin conformers

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Key words: human serum albumin, optical rotatory dispertion, alfa-helix content

8. Andrei JITIANU, Alina BRITCHI, Virgil BADESCU, Călin DELEANU and Maria ZAHARESCU

Influence of the alkoxy group of the Si-alkoxides on the sol-gel process and on the structure of the obtained gels

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Key words: sol-gel, hybrid materials, GS-MS, 29Si-NMR, IR spectroscopy, SEM microscopy

9. Carmen PARASCHIV, Sylvie FERLAY, Mir Wais HOSSEINI, Nathalie KYRISTSAKAS, Jean-Marc
PLANEX and Marius ANDRUH

Hybrid organic/inorganic H-banded supramolecular networks including [Cr(ox)2L]¯ .
(L=1,10-phenanthroline and 2,2-bypiridine)tectons

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Key words: chromium complexes, hydrogen bond interaction, oxalate complexes, supramolecular chemistry

10. Geta DAVID, Bogdan C. SIMIONESCU and Cristofor I. SIMIONESCU

Functional micro- and nanoparticle – a possible tool for nanostructured materials

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Key words: micro- and nanoparticles, functional polymers, macromonomers, poly[(N-acylimino)ethylene], polymer supported catalysts, nanostructured materials

11. Cristina PRISACARIU and Elena SCORTANU

Study of the compression properties of polyurethanes based on dibenzyl monomers and 1,4-butanediol as compared to other diol chain extenders

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Key words: 4,4’-dibenzyl diisocyanate, polyurethanes, compression, residual elongation, Young modulus

12. Carmen RACLES, Anton AIRINEI, Aurelia IOANID, Cristian GRIGORAS and Maria CAZACU

Siloxane-azoaromatic polyesters as potential complex dye systems

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Key words: azo-polymers, siloxane, polymer blends

13. Ion SAVA and Elena HAMCIUC

Silicon-containing aromatic poly(amide-imide)s

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Key words: silicon, polyamide-imides, solubility, thin film, conformational parameters

14. Gabrielle Charlotte CHIŢANU, Irina POPESCU and Adrian CARPOV

Synthesis and characterization of maleic anhydride copolymers and their derivatives. 3 Synthesis and characterization of maleic anhydride-methyl methacrylate copolymers

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Key words: maleic anhydride copolymers; maleic anhydride-methyl methacrylate copolymer; copolymer characterization

15. Aurica FARCAŞ, Mariana PINTEALA and Valeria HARABAGIU

Self-assembly of functional polymers. A viscometric study

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Key words: reversible self-assembly, functional polymers, crown etherammonium salt interaction

16. Simona MORARIU and Maria BERCEA

Influence of poly(ethylene oxide)on the aggregation and gelation of laponite dispersions in water

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Key words: Laponite RD, poly(ethylene oxide), gel, viscoelastic properties

17. Ruxanda BODÎRLĂU, Carmen-Alice TEACĂ and Iuliana SPIRIDON

Thermal investigation upon various composite materials

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Key words: wood-plastic composite, FT-IR spectra, thermal analysis, weight loss

18. Ana Maria TOADER and Elena VOLANSCHI

Electrochemical and spectral study of the heminsurfactant interaction in solution

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Key words: Hemin, anionic surfactants, cyclic voltammetry, UV-VIS absorption spectroscopy

19. Viorel BRÂNZOI, Florina BRÂNZOI and Luisa PILAN

Electrochemical characterization of polypyrrole modified electrodes doped with large organic anions

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Key words: polypyrrole film, platinum electrode cyclic voltammetry, electrochemical impedance spectroscopy

20. Mariana Viorica BOGĂŢIAN, Andreea Cristina CORBU, Călin DELEANU, Maria MAGANU and Gheorghe BOGĂŢIAN

Pyrilium salts with long alkyl substituents having a terminal free amino group. Corrosion inhibitors derived from corresponding pyridinium salts

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Key words: pyridinium salts, corrosion inhibitors for steel in acidic water

21. Alexandru C. RAZUS, Liviu BIRZAN, Victorita TECUCEANU, Mihaela CRISTEA, Alina NICOLESCU and Cristian ENACHE

Azulene derivatives soluble in polar solvents. 1- (azulen-1-yl)-2-(thien-2- or 3-yl)-ethenes

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Key words: azulene, thiophene, ethenes, carboxylic acids

22. Maria MRACEC, Ramona RAD, Liliana OSTOPOVICI, Ana BOROTA and Mircea MRACEC

Conformational analysis with semiempirical methods for a quinoxaline urea derivative, active on benzodiazepine receptor

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Key words: GABA benzodiazepine receptor, conformational analysis, quinoxaline, AMBER94, AM1

23. Maria MRACEC, Ana BOROTA, Ramona RAD, Liliana OSTOPOVICI and Mircea MRACEC

Conformational analysis for a series of imidazole ligands acting as antagonists on the histamine H3 receptor

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Key words: flexible ligand, conformational analysis, H3 receptor antagonist, AM1, MM+

24. Zeno GARBAN, Gabriela GARBAN, Ariana-Bianca VELCIOV and George-Daniel GHIBU

Interaction of deoxyribonucleic acid with cis-platinum: structure-activity relantionship

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Key words: cis-platinum – DNA interaction, effects

Nos 7-8 Juillet-Août 2006

Tome 51, Nos 7-8 Juillet-Août 2006

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In Memoriam Professor Mircea D. Banciu (1941 – 2005)

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Publications list

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1. Mihail BARBOIU and Jean-Marie LEHN

Rack, square and double helical dinuclear metallosupramolecular architectures – coordination behavior, anion binding and stacking interactions

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Key words: heterocyclic ligands; metallosupramolecular complexes; racks; helical structures

2. Daniela ISTRATI, Luminitza PÂRVULESCU, Angela POPESCU, Dan MIHĂIESCU, Constantin DRĂGHICI, George MARTON and Alina SIMION

Flow-vacuum pyrolysis of polycyclic compounds. 24. Pyrolysis of two dibenzocycloalkanols and their
corresponding acetates

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Key words: flow-vacuum pyrolysis; dibenzocycloheptenols; dibenzocyclohepten acetates

3. Alexandru C. RAZUS, Nina Mirela SURUGIU, Liliana CRISTIAN, Alina NEGOESCU, Oana
ZAHARIA and Liviu BIRZAN

Reaction of azulenes with derivatives of aromatic dicarboxylic acids

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Key words: aromatic diacids; lactones; azulenyl-carbonyl aromatics

4. Raluca STAN, Sânziana ROŞCA, Cristina OTT, Sorin ROŞCA, Emile PEREZ, Isabelle
RICO-LATTES and Armand LATTES

D-sorbitol based organogelators with nitrogen groups

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Key words: organogelator; 1,3 :2,4-bis-O-(p-nitro benzylidene)-D-sorbitol; 1,3 :2,4-bis-O-(p-amino benzylidene)-D-sorbitol; 1,3 :2,4-bis O-(p-alkylamino benzylidene)-D-sorbitols

5. Luminitza PÂRVULESCU, Anca MARTON, Constantin DRĂGHICI, Richard A. VARGA
and Mircea D. GHEORGHIU

Crystal and density functional theory molecular structure of the cyclobutanone resulted from the
cycloaddition of t-butylcyanoketene (Moore’s ketene) with indene

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Key words: cycloadditions; Moore’s ketene; indene

6. Vasile DINOIU

Synthesis of new CF3-containing pyridazinone and lactam derivatives

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Key words: trifluoromethyl; γ-Ketothioester; furan; lactam; pyridazinone

7. Eugen ANDREIADIS, George MARTON and Anca MARTON

Silver-tin mediated allylations in aqueous media

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Key words: Barbier allylation; silver nitrate; tin

8. Horia PETRIDE, Andreea CORBU, Cristina FLOREA, Aurica PETRIDE and Silvia UDREA

N-α-cyano derivatives of some N-benzyl azacycloalkanes

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Key words: α-aminonitriles; azacycloalkanes; stereoisomerism; nuclear magnetic resonance

9. Florea DUMITRAŞCU, Constantin DRĂGHICI, Miron Teodor CĂPROIU, Denisa Dumitrescu and Andrei BĂDOIU

New pyrrolo[2,1-a]phthalazine derivatives by 1,3-dipolar cycloaddition reactions

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Key words: 1,3-dipolar cycloaddition; N-ylides, pyrrolo[2,1-a]phthalazine; regioselectivity; NMR spectroscopy

10. Tsutomu ISHI-I, Naoki MATSUMOTO, Tomoyuki HIRAYAMA, Sumio YAMASAKI, Masataka YAMASAKI, Hiroshi TANABE, Kazunori UENO and Shuntaro MATAKA

New electron-transporting and hole-blocking material based on hexaatriphenylenes with six aromatic groups

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Key words: hexaazatriphenylene; hole-blocking; electron-transporting; OLED

11. Ana Cristina RĂDUŢIU, Ion BACIU, Miron Teodor CĂPROIU, Constantin DRĂGHICI, Anca NICOLAE, Titus CONSTANTINESCU and Alexandru T. BALABAN

2-(α-aryloxyacetyl)-phenoxathiin derivatives. Synthesis and properties

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Key words: 2-(α-aryloxyacetyl)-phenoxathiin derivatives; crown ethers; NMR spectra; hydrophobicity, RP-TLC

12. Emilia OLTEANU, Constantin DRĂGHICI, Marieta PLĂVEŢI

The synthesis and the decomposition of benzonorbornane annelated with methyl (cyclopropylcarbinyl)-N-nitrosourethane

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Key words: nitrosourethane; benzonorbornadiene; rearrangement; alcohols

13. Michaela Dina STĂNESCU, Nicolae DINCĂ and Eugen ŞIŞU

Mass spectrum fragmentation of 10,11-dihydro-5Hdibenzo[a,d]cycloheptene-5-one

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Key words: 10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-one; MS fragmentation; ion formation energy

14. Luminiţa MARIN and Vasile COZAN

New thermotropic azomethines containing sulfonyl group

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Key words: azomethine; sulfone; liquid crystal; thermotropic

15. Mariana VOICESCU, Gabriela IONIŢĂ, Titus CONSTANTINESCU and Marilena VASILESCU

The oxidative activity of riboflavin studied by luminescence methods: the effect of cysteine, arginine, lysine and histidine amino acids

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Key words: chemiluminescence; fluorescence; riboflavin; amino acids; free radicals

16. Jyoti SINGH, Meenakshi LAKHWANI, Padmakar V. KHADIKAR, Alexandru T. BALABAN,
Brian W. CLARE and Claudiu T. SUPURAN

QSAR study on the inhibition of the human carbonic anhydrase cytosolic isozyme VII

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Key words: carbonic anhydrase; human cytosolic isozyme; aromatic sulfonamides; heterocyclic  sulfonamides; topological index; Balaban-type indices; regression analysis

17. Padmakar V. KHADIKAR, Brian W. CLARE, Alexandru T. BALABAN, Claudiu T. SUPURAN, Vijay K. AGARWAL, Jyoti SINGH, Ashok K. JOSHI and Meenakshi LAKHWANI

QSAR modeling of carbonic anhydrase-I,-II and –IV inhibitory activities: relative correlation potential of six topological indices

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Key words: carbonic anhydrase; isoform I, II, IV; QSAR; sulfonamide; topological indices

18. Francisc POTMISCHIL

Saturated amine oxides: Part 7. Hydroacridines: Part 26. Effects of N-oxidation on the 13C NMR chemical shifts of saturated six-membered azaheterocyclic tertiary amines. Prediction of the chemical shifts of the amine oxides

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Key words: NMR; 13C NMR; chemical shifts; amines, tertiary; amine oxides, saturated

19. Mariana Viorica BOGĂŢIAN, Gheorghe BOGĂŢIAN, Silvia UDREA, Andreea Cristina CORBU,
Filip CHIRALEU, Maria MAGANU and Călin DELEANU

Pyridines with long alkyl substituents as ligands in oligomerization of isopropene

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Key words: pyridines; ligands; homogeneous catalysts; terpenes

20. Camelia HULUBEI and Maria BRUMĂ

Maleimide type polymers based on N-(3-acetoxy-4-carboxy-phenyl)maleimide

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Key words: maleimide copolymers; azobenzene; metal complexes; crosslinked networks

21. Ion SAVA

Influence of conformational parameters on physical properties of some poly(amide-ester)s

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Key words: poly(amide-ester)s; isopropylidene; benzonitrile; Monte Carlo; conformational parameters

22. Ion SAVA and Corneliu HAMCIUC

Polyisophthalamides with pendent acetoxybenzamide or imide groups

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Key words: polyisophthalamides; pendent; tetrachlorophthalimide; acetoxybenzamide; conformational parameters

23. Elena HAMCIUC, Maria BRUMĂ, Corneliu HAMCIUC and Ramona LUNGU

Aromatic polyimides containing polar nitrile groups

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Key words: aromatic polyimides; nitrile groups; good solubility; high thermal stability

24. Corneliu HAMCIUC, Elena HAMCIUC and Maria BRUMĂ

Heterocyclic polymers containing dimethylsilane units

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Key words: 1,3,4-oxadiazole; benzoxazinone; imide rings; dimethylsilane units; high thermal stability

25. Thomas HÖVETBORN, Markus HÖLSCHER, Helmut KEUL and Hartwig HÖCKER

Poly(ethylene oxide-co-tetrahydrofuran) and Poly(propylene oxide-co-tetrahydrofuran): synthesis and thermal degradation

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Key words: cationic ring opening polymerisation; ring closing depolymerisation; poly(tetrahydrofuran-co-ethylene oxide); poly(tetrahydrofuran-co-propylene oxide)

26. Dana GINGAŞU, Ioana MÎNDRU, Oana CARP, Luminiţa PATRON and Ştefania STOLERIU

Spinelic ferrites from polynuclear compounds as precursors

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Key words: spinelic ferrite; nanoparticles; thermal decomposition; X-ray diffraction; SEM

27. Victor DAVID, Elena-Emilia IORGULESCU and Andrei MEDVEDOVICI

Extrapolations by multiple regressions of the retention parameters for several aromatic hydrocarbons in reversed-phase liquid chromatography

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Key words: liquid chromatography; aromatic hydrocarbons; octanol/water partition constant; extrapolation; polynomial regressions

28. Olga IULIAN, Cristina STOICESCU and Oana CIOCÎRLAN

Properties of the binary and ternary mixtures containing water, 1,4-dioxane and ethylene glycol. Viscosity correlations

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Key words: viscosity; binary and ternary system; excess functions

29. Viorel BRÂNZOI, Florina BRÂNZOI, Luisa PILAN and Cristina ANGHEL

Effects of ammonium dichromate additions on electrochemical behaviour of lead and its alloys in H2SO4 concentrated solutions

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Key words: lead and lead-alloys; potentiodynamic method; ammonium dichromate; impedance spectroscopy; potentiograms

30. Claudia VISINESCU, Francis LEVY and Vasile I. PÂRVULESCU

Photocatalytic degradation of acetone on ZnO-dopped TiO2 films prepared by sputtering

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Key words: ZnO-dopped thin films; dc magnetron sputtering; photocatalytic degradation of acetone

31. Mircea D. BANCIU, Luminitza PÂRVULESCU, Constantin DRĂGHICI, Daniela ISTRATI and George MARTON

Epoxidation of polycyclic hydrocarbons. 1

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Key words: epoxidation; polycyclic hydrocarbons

32. Yoshiharu MITOMA, Naoyoshi EGASHIRA, Cristian SIMION and Masashi TASHIRO

Rapid and convenient approach to amines: reduction of imines using metallic calcium in ethylalcohol

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Key words: imine; reduction; calcium/ethanol; secondary amines

33. G. FOGASSY, C. PINEL, M. BESSON and A. TUNGLER

Enantioselective hydrogenation of exocyclic α,β-unsaturated ketones. Part IV. Hydrogenation with homogeneous catalysts

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Key words: enantioselective hydrogenation; exocyclic α,β-unsaturated ketones; homogeneous catalysts; enantiomeric excess

34. Mihaela Camelia BĂLAŞU and Angela POPESCU

Fluorescent conjugates of casein and ovalbumin with 4,7-diphenyl-1,2,5-oxadiazolo[3,4-c]pyridine-
6-carboxylic acid: preparation and analysis

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Key words: fluorescent bioconjugates; ovalbumin; casein; 4,7-diphenyl 1,2,5-oxadiazolo[3,4-c]pyridine-6-carboxylic acid, reaction of thiol group of proteins

35. Alberth LARI, Frank ROMINGER and Rolf GLEITER

Synthesis of a cyclic tetraselenadiyne containing aromatic building blocks

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Key words: cyclic selenaalkynes; Van der Waals forces; hydrogen bonds; selenium-selenium interactions

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

No 1, Janvier 2006

Tome 51, No 1, Janvier 2006

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1. Oana CARP, Luminiţa PATRON and Eugen SEGAL

Thermal properties of solid coordination compounds. IV. Some applications in materials science

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Key words: coordination compounds, thermal analysis, materials science

2. Ramona TUDOSE, Yves JOURNAUX, Imre LABADI, Wolfgang LINERT, Otilia COSTIŞOR, Marius ANDRUH and Maria BREZEANU

Mixed ligand complexes of iron(II), iron(III) and cobalt(II) with pyrazolonic and pyridine ligands

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Key words: Mannich bases, antipyrine, mixed ligand complexes, piridine, magnetism

3. Florea DUMITRAŞCU, Constantin DRĂGHICI, Mino R. CAIRA, Andrei BĂDOIU and Loredana BARBU

Synthesis of 1-[N-(aryl)methylcarbamoyl]-1,10-phenanthrolinium iodides with potential biological activity

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Key words: 1.10-phenanthroline, quaternization, NMR spectroscopy, helical chirality

4. Florentina-Daniela MUNTEANU, Delia GLIGOR, Ionel Cătălin POPESCU and Lo GORTON

Formate dehydrogenase-modified carbon paste electrodes for amperometric detection of formate

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Key words: biosensors, formate dehydrogenase, nicotinamide adenine dinucleotide, phenothiazine  derivative, polyethyleneimine, modified carbon paste electrodes

5. Maria BERCEA and Simona MORARIU

Interpretation of the intrinsic viscosity–temperature dependence on the basis of the excluded volume analysis

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Key words: intrinsic viscosity, random copolymers, theta temperature

6. Mihai Cosmin COROBEA, Dan DONESCU, Sever ŞERBAN, Cătălin DUCU, Viorel MALINOVSCHI
and Ioan ŞTEFĂNESCU

Polymer-nanoclay hybrids obtained by emulsion polymerization of vinyl acetate in the presence of an organically modified montmorillonite

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Key words: nanocomposites, emulsion polymerization, polyvinylacetate, montmorillonite

7. Daniela Cristina MOMETE, Enrica VERNE, Chiara VITALE BROVARONE and Dan Sorin VASILESCU

Saliva study for a novel dental composite with polymeric matrix

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Key words: dental composite, saliva, pH, sorption, microhardness, ions release

8. Corneliu HAMCIUC, Elena HAMCIUC, Tăchiţă VLAD-BUBULAC and Oana PETREUŞ

Aromatic polyethers containing 1,3,4-oxadiazole rings

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Key words: aromatic polyethers, 1,3,4-oxadiazole rings, good solubility, high thermal stability, fluorescence

9. Ştefan DIMA, Gabriela BAHRIM and Monica MURĂRESCU

Kinetic study on the preparation reaction of carbanion monosubstituted phtalazinium ylides

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Key words: cycloimmonium ylides, phtalazinium ylides, ylide inactivation

10. Dorin BOMBOŞ, Fănica BACALUM, Mihaela BOMBOŞ and Grigore BOZGA

Influence of the Pd distribution in a Pd/HZSM-5 catalyst on acetone conversion to methyl isobutyl ketone

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Key words: bifunctional catalyst, Pd/H-ZSM-5, methyl isobutyl ketone, nonuniform Pd distribution catalyst