Archive for 2006

No 12, Décembre 2006

Tome 51, No 12, Décembre 2006

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1. Vasile DINOIU

Fluorine chemistry: past, present and future

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Key words: fluorine; medicinal fluorine chemistry; organofluorine compounds

2. Aurica FARCAS and Cristofor I. SIMIONESCU

Conjugated polymers with rotaxane architecture

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Key words: rotaxane architecture; supramolecular chemistry; conjugated polymers; cyclodextrins

3. Aurel PUI

Synthesis, characterization and catalytic activity of the tetra-chlorosalen and tetra-chlorosalophen copper(II) complexes

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Key words: Schiff based; copper(II) complexes; catalytic activity

4. Carmen PĂDURARU, Geta DAVID, Doina BÎLBA and Ioan SÂRGHIE

Polystyrene latex with partially hydrolyzed PNAI grafts at the surface as Pt(IV) sorbent

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Key words: sorbent; latex; metal recovery; platinum

5. Raluca CIUBĂR, Anişoara CÎMPEAN and Dana IORDĂCHESCU

Effects of nickel(II) on human polymorphonuclear leukocyte function in vitro

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Key words: polymorphonuclear leukocyte; nickel; respiratory burst; phagocytosis

6. Simona PARASCHIV, Maria Cristina MUNTEANU, Andreea Cristina STAICU, Călin TESIO, Diana DINU, Mihaela Rocsana LUCA, Marieta COSTACHE and Anca DINISCHIOTU

Biochemical response in intestine and gills of Carassius auratus gibelio to acute manganese(II) intoxication

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Key words: catalase; gluthatione peroxidase; gluthatione reductase

7. Maria TOMOAIA-COTIŞEL, Andrada TOMOAIA-COTIŞEL, Traianos YUPSANIS, Gheorghe TOMOAIA, Ioan BALEA, Aurora MOCANU and Csaba RACZ

Coating layers of major storage protein from aleurone cells of barley studied by atomic force microscopy

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Key words: protein coating layers; protein adsoption; storage protein from aleurone cells of barley; AFM

8. Stelian PETRESCU and Mihaela PÎRLOG

Experimental study of gas-solid mass transfer in fixed bed of porous particles

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Key words: gas-solid systems; mass transfer; adsorption; fixed bed

9. Alina Catrinel ION, Ion ION and Luminiţa BARBU

Optimization of preconcentration of cadmium and lead from samples with phosphate matrices using Chelex 100

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Key words: Cd(II); Pb(II); Chelex 100; NPK fertilizers

10. Constantin I. CHIRIAC, Fulga TANASĂ and Marioara NECHIFOR

A novel synthetic pathway for obtaining aromatic carboxylic esters starting from diaryl oxalates

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Key words: synthesis, aromatic esters, condensation

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No 11, Novembre 2006

Tome 51, No 11, Novembre 2006

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1. Lucia MUTIHAC, Cristian BALTARIU, Atena HOTARANU and Radu MUTIHAC

Liquid membranes involved in some biological compounds separation

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Key words: liquid membrane; crown ethers; modified cyclodextrins; calix[n]arenas; biological compounds; separation

2. Florica ZĂLARU, Florea DUMITRAŞCU, Christina ZĂLARU, Maria PLĂVEŢI and Mihai CONTINEANU

Coordination compounds of Cu(II), Ni(II), Zn(II) with 1-(2-methyl-phenyl)-pyrazole-3,4-dicarboxylic acid

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Key words: pyrazole derivative; metal(II) chelates; EPR; IR; electronic spectra

3. Bogdan Alexandru SAVA

The study of the vitreous materials obtained by the sol-gel method, in the ternary ZnO-V2O5-B2O3 system

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Key words: zinc oxide-vanadium oxide-boron oxide; sol-gel; dielectric properties; TG-DTA; FTIR

4. Mihai CONTINEANU and Ana NEACŞU

Radical species formed by gamma radiolysis of polycrystalline telluric acid

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Key words: paramagnetic centers; ionizing radiation; radiolysis; thermal disappearance; hyperfine splitting

5. Mihai V. POPA, Paula DROB, Ecaterina VASILESCU, Agustin SANTANA LOPEZ, Cora VASILESCU and Julia Claudia MIRZA ROSCA

Improvement of alkyd film performance with mineral pigments

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Key words: organic films; mineral pigments; electric equivalent circuit; electrochemical techniques

6. Chan-Young PARK, Young-Se OH, Sang-Hyun BAEK, Tae-Young KIM and Soong-Hyuck SUH

Electrical and mechanical properties of polyaniline-DBSA/SBR latex blends

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Key words: SBR latex; polyaniline-dodecylbenzene sulfonic acid; conducting polymer

7. Jeong-Geun JEE, Jin-Hwan JUNG, Jae-Wook LEE, Soong-Hyuck SUH and Chang-Ha LEE

Comparison of vacuum swing adsorption process for air separation using zeolite 10X and 13X

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Key words: vacuum swing adsorption; zeolite 10X; zeolite 13X; air separation; oxygen

8. Tae-Young KIM, Sung-Yong CHO, Seung-Jae KIM, Young-Se OH and Soong-Hyuck SUH

Adsorption and desorption characteristics of chlorinated phenoxyacetic acids onto the activated carbon

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Key words: adsorption/desorption; chlorophenoxyacetic acid; 2-methyl-4-chlorophenoxyacetic acid; activated carbon

9. Jong-Pyo KIM, Il-Hoon CHO, In-Tae KIM, Chul-Ung KIM, Nam Ho HEO and Soong-Hyuck SUH

Manufacturing of anti-viral inorganic materials from colloidal silver and titanium oxide

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Key words: colloidal silver; titanium oxide; anti-bacterial; anti-virial; composite; blending

10. Zoiţa BERINDE

Vertex- and edge- weighted molecular graphs for amines

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Key words: molecular graph; weighted electronic distance; weighted electronic connectivity matrix; ZEP topological index; amines

No 10, Octobre 2006

Tome 51, No 10, Octobre 2006

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1. Mălina RĂILEANU

The use of sol-gel method for biomaterials preparation

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Key words: sol-gel method, entrapped enzymes, glucose oxidase, proteases, biomaterials

2. Seok Han KIM, Jeong Seok NOH, Jong-Pyo KIM, Soong-Hyuck SUH and Nam Ho HEO

Synthesis and crystal structure of Na-A with occluded AgI and Ag4I4 nanoclusters

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Key words: zeolite, silver iodide, quantum dot, nanocluster, crystal structure

3. Carmen MÎŢĂ, Nicoleta CORNEI and Mihail-Liviu CRAUS

Phase composition and properties of YbMnO3-La0.67Sr0.33-1.67xK1.67xMnO3 system

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Key words: two phase perovskite system, lattice constants, cation-anion distances, Curie temperatures, specific magnetization

4. Mircea GRIGORAŞ and Daniel Gheorghe CONDURUŢĂ

Pseudopolyrotaxanes based on polyaniline and cucurbituril

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Key words: pseudorotaxane architecture, macrocyclic compounds, chemical oxidative polymerization

5. Wang-Geun SHIM, Hee MOON, Sang-Chai KIM, Chang-Ha LEE, Soong-Hyuck SUH and Jae-Wook LEE

Heterogeneity analysis based on liquid-phase adsorption of chlorophenols on activated carbon and polymer resins

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Key words: heterogeneity, adsorption, chlorophenols, generalized nonlinear regularization method

6. Doina MACOCINSCHI, Anca ŢĂRANU, Camelia HULUBEI and Silvia IOAN

Solution properties of poly(amic acid)s and polyimides

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Key words: poly(amic acid), polyimides, solution properties, perturbed dimension, unperturbed

7. Marinela CATRINCIUC, Olga IULIAN, Ligia Maria OMOTA and Irina NIŢĂ

Experimental and calculated properties in binary and ternary systems with water 1,4-dioxane and diethylene glycol at 298.15 K

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Key words: viscosity, excess functions, diethylene glycol

8. Adriana ISVORAN, Pierre NEDELLEC, Veronica BESWICK and Alain SANSON

Study of the electrostatic interactions between peptides and lipids at the membranes interface by molecular dynamics simulation

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Key words: molecular dynamics simulation, peptides, lipids, electrostatic interactions, membrane interface

9. Andrei SÂRBU, Alain PERICHAUD, Ion UDREA, Mariana BEDA, Gabriela BALAN, Liliana SÂRBU et Mihaela FULGA

Fibres acryliques biocides. Biocide acrylic fibers

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Key words: fibres, acrylique, biocide

10. Rodica CĂPRIŢĂ, Adrian CĂPRIŢĂ, Teodor VINTILĂ and Gheorghe ILIA

The ATP assay, a method for measuring biological activity in industrial water

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Key words: bioluminescence, ATP, luciferin/luciferase, CFU, RLU

No 9, Septembre 2006

Tome 51, No 9, Septembre 2006

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International Conference of Physical Chemistry ROMPHYSCHEM – 12
September 6 – 8, 2006
Bucharest, Roumania

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1. Valeriu ATANASIU, Irina STOIAN, Bogdan MANOLESCU and Olivera LUPESCU

The glyoxalase system – a link between carbonilic stress and human therapy

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Key words: glyoxalase, α-oxoaldehydes, carbonyl stress, glyoxalase inhibitors

2. Anca DUMBRAVĂ, Victor CIUPINĂ, Bogdan JURCĂ, Gabriel PRODAN and Maria BREZEANU

Mixed complex sulfides of cadmium and iron with p-diaminobenzene as ligand

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Key words: complex sulfide, cadmium complex, iron complex, p-diaminobenzene, thiourea, thermal analysis, nanoparticles, TEM

3. Neculai FOCA and Gabriela LISA

Synthesis and characterization of mixed-ligand complexes of Cr(III), Fe(III) and Zr(IV) ions with urea and organic ligands

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Key words: chrome iron, zirconium, complex compounds with mixed ligands, thermal stability

4. Elena BÂCU, Dalila BELEI, Axel COUTURE et Pierre GRANDCLAUDON

Synthese de derivés de pyrrolo[1,2-b]pyridazine greffés sur la N-acylphenothiazine
Synthesis of pyrrolo[1,2-b]pyridazine derivatives engrafted on N-acylphenothiazine

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Key words: pyrrolo[1,2-b]pyridazine, phenothiazine, nitrogenylide, cycloadditions

5. Ali A. KHALAF, Hassan A. ALBAR and Saleh O. BAHAFFI

Modern Friedel-Crafts chemistry. Part 25. Fridel-Crafts alkylation of benzene with 3-chloro-2-(chloromethyl)-1-propene

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Key words: molecular rearrangement, dimerization, cyclialkylation, catalysis, methylphenylindans

6. Mihai V. POPA, Soong-Hyuck SUH, Ecaterina VASILESCU, Paula DROB, Cora VASILESCU and
Julia Claudia MIRZA ROSCA

Corrosion resistance modeling of a new titanium alloy in acid environments

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Key words: Ti-0.5Mo-1Ni alloy (casting and forging state), modeling of corrosion behaviour, equivalent electric circuit

7. Viorel BRÂNZOI, Florentina GOLGOVICI and Florina BRÂNZOI

Electrochemical characterization of passive films on pure aluminium electrodes in different experimental conditions

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Key words: oxide film; aggressive anion; repassivation potential; passivation; pitting corrosion

8. Mihai Cosmin COROBEA, Violeta URICANU, Dan DONESCU, Constantin RADOVICI, Sever ŞERBAN, Sorina GÂREA and Horia IOVU

Poly(vinyl acetate)-montmorillonite composites prepared via emulsion polymerization with nonionic surfactant

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Key words: composites, emulsion polymerization, polyvinylacetate, clay

9. Gabrielle Charlotte CHIŢANU, Irina POPESCU and Adrian CARPOV

Synthesis and characterization of maleic anhydride copolymers and their derivatives. 2. New data on the
copolymerization of maleic anhydride with vinyl acetate

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Key words: radical copolymerization, maleic anhydride-vinyl acetate copolymers, molecular mass

10. Ernő KISS, Tatjana VULIĆ, Andreas REITZMANN and Károly LÁZÁR

Photo-Fenton catalysis for wet peroxide oxidation of phenol on Fe-ZSM-5 catalyst

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Key words: Fe-ZSM-5 catalyst, phenol, peroxide oxidation, retardationcomposition

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 6, Juin 2006

Tome 51, No 6, Juin 2006

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Professor Petru Spacu (1906 – 1995)

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1. Oana CARP

The influence of the ligands on the thermal behaviour of solid coordination compounds

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Key words: coordination compounds, ligands, thermal behaviour

2. Ruxandra GHEORGHE, Jean-Pierre COSTES, Bruno DONNADIEU and Marius ANDRUH

A new 1-D hydrogen bond polymer constructed from a trinuclear 3d-4f tecton and 4,4’-bipyridine- N,N’-dioxide

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Key words: copper; lanthanides; hydrogen bond polymers; π-π stacking interactions

3. Laura BANCU, Oana CARP, Nicolae STĂNICĂ and Ioana JITARU

Ni(II) ternary complexes containing diimine and cysteine

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Key words: ternary Ni(II) complexes, cysteine, 2,2’-bypiridine, nickel enzyme

4. Daniela C. CULIŢĂ, Gabriela MARINESCU, Luminiţa PATRON and Nicolae STĂNICĂ

Synthesis and characterization of cobalt ferrite nanoparticles coated with dehydrocholate anions

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Key words: nanoparticles, cobalt ferrite, dehydrocholic acid, X-ray diffraction, magnetic measurements

5. Maria PREDA, Alina MELINESCU, Maria CRISAN, Silviu PREDA and Maria ZAHARESCU

Tialite type solid solutions formation in the MgO·Al2O3-Fe2O3·TiO2- Al2O3·TiO2 pseudo ternary system

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Key words: tialite, mineralogical composition, solid solution, sintering, density

6. Alfa Xenia LUPEA, Iuliana POPESCU, Corneliu TĂRĂBĂŞANU, Ioana IENAŞCU and Mirabela PĂDURE

Synthesis of new 2-[2-(4-chlorophenylcarbamoyl)-phenoxy]alkanoic acids derivatives

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Key words: 2-[2-(4-Chloro-phenylcarbamoyl)-phenoxy]alkanoic acids; ethyl esters; hydrazides; ydrazones,
salicylanilide-O-substituted

7. Niculae I. IONESCU and Monica CĂLDĂRARU

Desorption kinetics in the ZnO/O2 system

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Key words: desorption; thin film; ZnO/O2

8. Stelian LUPU

In-situ combined electrochemical surface plasmon resonace study of ultra-thin Prussian Blue deposited on gold electrodes

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Key words: in-situ electrochemical surface plasmon resonance; gold coated glass sensor; modified electrodes; Prussian Blue; ultra thin films

9. Domnina RAZUS, Codina MOVILEANU and Dumitru OANCEA

Inhibition of premixed C3H6-air flames by CH2BrCl

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Key words: explosion; burning velocity; inhibition; propylene; bromochloromethane

10. Daniela Simina ŞTEFAN, Mircea ŞTEFAN and Dănuţ-Ionel VĂIREANU

Removal of Cu(II) and Zn(II) ions on corn cobs

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Key words: biosorption; corn cobs; heavy metals;, SEM, EDX

11. Daniela-Cristina MOMETE, Enrica VERNE’, Chiara Vitale BROVARONE, Giulio MALUCELLI, Marco SANGERMANO and Dan-Sorin VASILESCU

Polymeric composites for dentistry. I. Synthesis and characterization of a novel dental composite
with polymeric matrix

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Key words: dental composites; glass; photopolymerization; mechanical properties

No 5, Mai 2006

Tome 51, No 5, Mai 2006

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1. Violeta TUDOR, Geanina MARIN, Victor KRAVTSOV, Yurii A. SIMONOV, Miguel JULVE, Francesc LLORET and Marius ANDRUH

Supramolecular copper(II) dimers resulted from hydrogen bond interactions: synthesis, crystal structures and magnetic properties

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Key words: copper complexes, 2-aminoethanol, hydrogen bonds, thiocyanato complexes, crystal structure, magnetic properties

2. Andrei ROTARU, Bogdan JURCA, Anca MOANŢĂ, Ion SĂLĂGEANU and Eugen SEGAL

Kinetic study of the thermal decomposition of some aromatic ortho-chlorinated azomonoethers. 1.
Decomposition of 4-[(2-chlorobenzyl)oxi]-4’-triflouromethyl-azobenzene

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Key words: non-isothermal kinetics, “model-free” kinetic methods, azomonoether thermal decomposition

3. Valentin CAREJA, Mircea MRACEC, Ludovic SAYTI, Eugen SISU, Ramona TUDOSE and Zeno SIMON

Comparative study of some ionic bridges implying calcium and magnesium cations by computational
methods

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Key words: ionic bridges, glycan-glycan interactions, dissociation energies, geometry, ab initio 6-31G*

4. Camelia SUCIU, Luminiţa PATRON, Ioana MÎNDRU and Oana CARP

Nickel aluminate spinel by thermal decomposition of polynuclear malate complexes

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Key words: polynuclear malate compound, thermal decomposition, nickel aluminate, nanoparticles, XRD

5. Tudor ROŞU, Maria NEGOIU and Viorel CÂRCU

Mixed-ligand complexes. Ternary copper(II) complexes with aminoacids

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Key words: ternary complexes, amino acids, mixed ligand complexes

6. Laura BANCU, Polina BOUROSH, Ioana JITARU, Yurii A. SIMONOV and Janusz LIPKOWSKI

Synthesis and structural characterization of a new cadmium complex with cytosine

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Key words: cadmium complexes, cytosine cation, X-ray diffraction, tautomeric forms, hydrogen bonds

7. Alexandru CECAL, Anca Irena BALAN, Nicoleta MELNICIUC-PUICA and Karin POPA

Use of β-rays backscattering to study the crystallization process of simple salts from solutions

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Key words: β-ray backscattering, crystal growth, kinetic parameters

8. Michaela Dina STĂNESCU, Adina RUS, Maria GIURGINCA and Cornelia GURAN

New dibenzobicyclo[2.2.2]octane derivatives

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Key words: dibenzobicyclo[2.2.2]octane derivatives, coordinative complex

9. Horia PETRIDE, Constantin DRĂGHICI, Cristina FLOREA, Maria MAGANU and Silvia UDREA

E/Z isomerism of some diformamides

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Key words: formamides, restricted rotation, NMR spectroscopy

10. Camelia HULUBEI and Simona MORARIU

Alternating copolymers from N-(4-formylphenoxy-4’-carbonylphenil)maleimide. A comparative study

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Key words: malimide copolymers, liquid crystalline behavior

11. Simona MORARIU and Maria BERCEA

Gels based poly(ethylene oxide)-laponite mixtures

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

12. Irinel Adriana BADEA, Luminiţa VLĂDESCU and Arabela PATRICHI

Simultaneous determination of vitamin E and vitamin H1 by first derivative spectrometry in an ointment preparation

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Key words: α-tocopheryl acetate, para-aminobenzoic acid, first derivative UV spectrometry

13. Vasile DAVID, Corina BĂRCUŢEAN, Cristina GEORGITA and Andrei MEDVEDOVICI

Non-miscible solvent large volume injection – HPLC/DAD method for determination of butylated hydroxyanisole in lovastatin and simvastatin pharmaceutical formulations

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Key words: BHA, lovastatin, simvastatin, non-miscible solvent large volume injection, HPLC, DAD

14. Zenovia MOLDOVAN, Laurenţia ALEXANDRESCU and Mădălina PIŢIGOI

Simultaneous estimation of some polymer additives by the spectrotometric method

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Key words: polimer additives, derivative spectrometry, Rubber

15. Laszlo TARKO

New molecular descriptors for hydrogen bonding potential

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Key words: hydrogen bonding potential, logow, PRECLAV, QSPR

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 3, Mars 2006

Tome 51, No 3, Mars 2006

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1. Valeriu ATANASIU, Irina STOIAN, Cornelia CERCASOV and Bogdan MANOLESCU

α-tocopherol transfer protein: molecular aspects of specific recognition of α-tocopherol

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Key words: α-tocopherol, tocopherol binding protein, AVED, oxidative stress

2. Cornelia G. PALIVAN, Elena BÂCU, Simona ANTONESCU, Cornelia GURAN and Georg GESCHEIDT

Biologically active Cu(II) and Fe(III) complexes of a phenothiazine derivative with an extended coordination sphere. Solution structures

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Key words: copper and iron complexes of N-[α- benzoyl-amino-β-(10-methyl
3-phenothiazinyl)-acriloyl]-phenylhydrazine

3. Oana STĂNĂŞEL, Aurel IOVI, Hrefna KRISTMANNDOTTIR and Iulian STĂNĂŞEL

Physical-chemistry studies on geothermal waters and scale formations

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Key words: deposition control, Watch simulation program, chalcedony geothermometer

4. Gianina DOBRESCU, Mihai ANASTASESCU and Niculae I. IONESCU

Analyzing STM images of Cu(110) in dilute hydrochloric acid using the dynamic scaling method

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Key words: STM, fractal dimension, dynamic scaling approach, Cu(110)

5. Alexandra BANU, Maria MARCU, Octavian RADOVICI, Cristian PIRVU and Marius VASILESCU

Electrodissolution studies of three aluminum alloys in acid, neutral and alkaline solutions

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Key words: aluminium alloys, corrosion behaviour, EIS

6. Raluca CIUBĂR, Valentina MITRAN, Anişoara CÎMPEAN, Dana IORDĂCHESCU

In vitro effects of nickel on human embrionary lung fibroblasts

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Key words: apoptosis, fibroblasts, oxidative stress, nickel

7. Gheorghe IVAN, Maria GIURGINCA, Nicoleta IFTIMIE and Aurelia MEGHEA

Natural antioxidants for thermo-oxidative stabilization of elastomers

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Key words: natural antioxidants, elastomers, FT-IR spectroscopy, chemiluminescence

8. Alexandru POPA, Viorel SASCA, Radmila MARINKOVIĆ-NEDUČIN and Erne E. KIŠ

Catalytic properties of titania-supported heteropolyacids for ethanol oxidation

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Key words: heteropolyacids, titania, ethanol conversion, reaction

9. Romulus DIMA, Gheorghe SOARE, Grigore BOGZA and Valentin PLEŞU

Gas-liquid hydrodynamics in counter-current columns with KATAPAK®-S and BX structured packing

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Key words: structured packing, gas-liquid flow, pressure drop, liquid hold-up, residence times

10. Ion TRANDAFIR and Radu Z. TUDOSE

The study of the extraction columns with cylindrical rotor – the hold-up

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Key words: extraction liquid-liquid, hold-up, equation

No 2, Février 2006

Tome 51, No 2, Février 2006

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1. Adrian CHIRIAC, Dan CIUBOTARIU, Simona FUNAR-TIMOFEI, Ludovic KURUNCZI, Maria MRACEC, Mircea MRACEC, Zoltan SZABADAI, Edward ŞECLĂMAN and Zeno SIMON

QSAR and 3D-QSAR in Timişoara. 1972 – 2005

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Key words: QSAR, 3D-QSAR, MSD, MTD, MTD-PLS, acetic acid derivatives

2. Bogdan BUCUR, Mónica CATALA ICARDO and José MARTINEZ CALATAYUD

Spectrophotometric determination of ammonium by an rFIA assembly

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Key words: ammonia analysis, reverse Flow Injection Analysis (rFIA), modified Berthelot reaction, gas diffusion separation, spectrophotometric determination

3. Doina HUMELNICU, Ionel HUMELNICU and Dănuţ Gabriel COZMA

Study of the UO2²+–acid-2-amino-1-naphtalen sulphonic (ANS) system in solution

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Key words: uranyl ions, semiempirical methods, Arsenazo III, spectrophotometric methods

4. Abdil ÖZDEMIR, Halil AKSOY, Erdal DINÇ, Dumitru BĂLEANU and Saadet DERMIŞ

Determination of guaifenesin and dextromethorphan in a cough syrup by HPLC with fluorometric detection

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Key words: liquid chromatography, fluorometric detection, syrup

5. Prakash SHETTY and A. Nityananda SHETTY

Complexometric determination of thallium(III) using sodium metabisulphite as a selective releasing agent

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Key words: complexometry, EDTA complex, releasing agent, sodium metabisulphite, thallium determination

6. Gabriela Elena BADEA and Teodora BADEA

Kinetics and mechanism of the bromate electrochemical reduction at platinum electrode

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Key words: bromate, reduction, platinum electrode, mechanism

7. Valentina CHIOSA, Cristina MANDRAVEL, Cristiana-Lucia TEODOREANU and Ioana STĂNCULESCU

Comparison of QSPR properties for cholesterol and cholestanol oligomeric association forms

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Key words: cholesterol, cholestanol, oligomers, QSPR properties, energy of interaction

8. Simona RADA and Ioan SILAGHI-DUMITRESCU

Structural, energetic and electronic characterization of the chiral carbon-nitride nanotubes

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Key words: carbon-nitrogen nanotubes, semiempirical calculations, electronic properties, electronic nanodevices

9. Oana Laura RADU, Sylvie ARMAND, François LENOUVEL, Huges DRIGUEZ, Anişoara CÎMPEAN et Dana IORDĂCHESCU

La glycosylation de la lutéoline, en milieux de solvents organiques, par l’action catalytique de la cyclodextrine glycosyltransférase de Bacillus circulans Luteolin glycosylation in organic solvents under catalytic action of cyclodextrin glycosyltransferase from Bacillus circulans

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Key words: lutéoline, cyclodextrines, cyclodextrine glycosyltransférase, Bacillus circulans, transglycosylation, solvents organiques, applications médicales

10. Vasilica DIMA, Petru BALTĂ and Roxana ŞERBAN

Coloured sulphate glasses

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Key words: sulphate glasses coloured, 3d ions, absorption spectra, redox equilibrium

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