Archive for 2012

No 12 Decembre 2012

Tome 57, No 12 Decembre 2012

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1. Lăcrămioara BĂLĂIŢĂ and Marcel POPA

Hybrid polymer particles with magnetic properties for drug delivery

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Key words: hybrid materials, magnetic particles, targeted drug delivery.

2. Andrei NEAMTU, Xenia PATRAS, Monica NEAMTU, Anca OPREA, Tudor PETREUS and Nicolae HURDUC

The influence of partial charge calculation protocol on the sulfated monosaccharide conformation and dynamics

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Key words: RESP charges, molecular dynamics, sulfated monosaccharide, free energy landscape, GLYCAM.

3. Doru PĂUNESCU, Ioan LUMINOSU, Nicolina POP, Robert MARIA, Angel PĂCURAR

Study of magnetite particles from a ferrofluid by average diameter criterion using the Maxwell distribution and extreme values functions

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Key words:  nanoparticle, complex liquid, ferrofluid, biphasic, statistical distribution.

4. Hayat TABEKH, Yahia KOUDSI and Zaki AJJI

Chemical recycling of poly(ethylene terephthalate) using sulfuric acid

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Key words:  recycling, poly(ethylene terephthalate), Syrian commercial sulfuric acid, hydrolysis.

5. Souad BOUASLA, Chames Eddyn FATMI and Mabrouk TEGUICHE

Synthesis of some 1,2,3-triazoles derivatives

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Key words:  aryl azides, DMAD, 1,3-dipolar cycloaddition, microwave irradiation, 1,2,3-triazoles.

6. Cosmin ARSENE, Otilia ZARNESCU, Maria PUIU and Natalia CUCU

Parental allele methylation mapping method for Prader-Willi syndrome primary diagnosis in the Roumanian population

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Key words:  epigenotype, methylation pattern, bisulfite mutagenesis.

7. Cătălina AXINTE, Daniel MARECI, Sorin Claudiu IACOB STRUGARU and Corneliu MUNTEANU

WC-Co-Cr coating on steel substrate processed by plasma spraying method

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Key words:  coating, pitting corrosion, plasma spraying, impedance, friction coefficient.

8. Geanina Laura PINTILEI, Daniel MARECI, Sorin Claudiu IACOB STRUGARU and Corneliu MUNTEANU

Electrochemical and SEM characterization of plasma spayed YsZ coating

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Key words:  plasma spraying, YsZ-coating, XRD, potentiodynamic polarization, EIS, SEM.

9. Alina GHINET, Benoît RIGO and Philippe GAUTRET

Studies on pyrrolidinones. On the synthesis of 5-aryl-2-pyrrolidones

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Key words:  pyroglutamic acid, 2-pyrrolidinone, Eaton’s reagent, enaminoester, N-acyliminium salt.

10. Index of authors

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11. Index of subjects

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No 11 Novembre 2012

Tome 57, No 11 Novembre 2012

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1. Abdullah Soliman Al-AYED, Ali KHALFALLAH and Mohamed Tahar KADDACHI 

Reactions of 3-amino-5-methylisoxazole with enol ethers: synthesis of new isoxazolylenamines derivatives and substituted isoxazolo[2,3-a]pyrimidinones

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Key words: 3-amino-5-methylisoxazole, ethoxymethylenemalonate, ethoxymethylenecyano-acetate, isoxazolo[2,3]pyrimidinones, isoxazolylenamines.

2. Emre MENTEŞE, Fatih İSLAMOĞLU and Bahittin KAHVECİ

Microwave-assisted synthesis of some new benzylidenamino compounds and potentiometric determination of their pKa

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Key words: benzylidenamino, microwave, acidity, potentiometric titrations, pKa.

3. Andrei I. SIMION, Paula E. DOBROVICI, Lăcrămioara RUSU, Lidia FAVIER-TEODORESCU and Domnica CIOBANU 

Mathematical modelling of the process of sugar beet pulp valorisation by acid hydrolysis

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Key words: sugar beet, beet-pulp, hydrolysis, mathematical modelling, optimization.

4. Mariana VOICESCU, Adrian BETERINGHE, Marilena VASILESCU and Aurelia MEGHEA 

Spectroscopic study on the antioxidant activity of riboflavin in the presence of bilirubin

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Key words: chemiluminescence, fluorescence, molecular dynamics, riboflavin, bilirubin.

5. Mitica SAVA 

Bismaleimide monomers with various structures and polyaspartimides

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Key words: bismaleimides, polyaspartimides, thermal and physical properties.

6. Mihail CONTINEANU, Ana NEACȘU, Iulia CONTINEANU and Adina-Elena STANCIU 

Kinetics of the thermal disappearance of radicals formed during the radiolysis of ammonium paramolybdate (APMO)

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Key words: thermal disappearance, gamma irradiation, hyperfine splitting, paramagnetic species.

7. Aysel BÜYÜKSAĞIŞ, Fikriye Nur AKAN, Yusuf KAYALI and Emine BULUT 

Corrosion behaviours of hydroxyapatite coated by biomimetic method of Ti6Al4V, Ti and AISI 316L SS substrates

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Key words: corrosion, biomimetic method, biomaterials, hydroxyapatite, SBF solution.

8. Marius PELMUS, Angela POPESCU, Beatrice-Anamaria TEODORU, Daniela ISTRATI, Constantin DRAGHICI, Dan MIHAIESCU and Florin BADEA 

Thermal decomposition of annelated 1,5-tetrazoles with mono- and dibenzocycloalkane skeleton over HZSM-5 zeoltite in flow-vaccum conditions

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Key words: flow-vacuum thermal decomposition, tetrazoloazocines, HZSM-5 zeolite.

9. Alexandru TĂNASE and Adriana MIU 

Assay of nickel in magnesium stearate by GF-AAS without sample mineralisation

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Key words: assay of nickel, magnesium stearate excipient, GF-AAS, method development and validation.

10. Alexandru C. RAZUS, Liviu BIRZAN, Victorita TECUCEANU, Mihaela CRISTEA and Anamaria HANGANU 

Benzo- and dibenzo-crown ethers substituted with (azulene-1-yl) azo chromophores. Synthesis and properties

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Key words: azulene, crown ethers, diazene, azo coupling, liophilicity.

11. BOOK REVIEW – M. IOVU and A.W. BALOCH

“Textbook of Organic Chemistry” (Valeriu Dragutan)

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No 9-10 Septembre-Octobre 2012

Tome 57, No 9-10 Septembre-Octobre 2012

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10th CONFERENCE ON COLLOID AND SURFACE CHEMISTRY

Rev. Roum. Chim., 2012, 57(9-10), 779

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1. Mircea GRIGORAS, Ana-Maria CATARGIU and Daniel TIMPU

Modification of polyanilines properties using macrocyclic compounds

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Key words: polyaniline derivatives, macrocyclic compounds, β-cyclodextrin, cucurbit[6]uril, pseudorotaxane structure, physically crosslinked networks.

2. Mariana-Dana DĂMĂCEANU, Radu-Dan RUSU, Maria BRUMĂ and Luminita Marin

Self-organised films of polyimides containing perylene discotic mesogens

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Key words: polyimides, perylene, discotic mesogene, self-assembling, rod-like structure.

3. Mariana-Dana DĂMĂCEANU, Radu-Dan RUSU and Maria BRUMĂ

Radical-forming polyamides for self-decontamination coatings

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Key words: polyamides, benzophenone, coatings, radical-forming ability, methylene blue.

4. Matei RAICOPOL, Viorel BRÂNZOI, Luiza NECULA, Mariana IONIŢĂ and Luisa PILAN

Comparative studies on the redox reaction of Fe(CN)64-/3- at modified glassy carbon electrodes via diazonium salts electroreduction

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Key words: glassy carbon, electrochemical grafting, diazonium salt, redox probe.

5. Luisa PILAN, Matei RAICOPOL, Mariana IONIŢĂ and Viorel BRÂNZOI

Electrochemical study on carbon nanotubes functionalization by diazonium salts electroreduction

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Key words: single walled carbon nanotubes, electrochemical functionalization, diazonium salt, electrochemical signal, aryl substituent.

6. Loredana Elena VÎJAN and Daniela GIOSANU

Binding of norfloxacin, enoxacin and enrofloxacin to calf thymus DNA

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Key words: norfloxacin, enoxacin, enrofloxacin, calf thymus DNA, UV-Vis absorption spectroscopy, viscosity measurements.

7. Marin MICUTZ, Teodora STAICU, Lucia LĂCĂTUŞU, Gela OPREA and Minodora LECA

Rheological behaviour of some dispersions for long lasting protection of copper-aluminium contacts in power transmission equipment

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Key words: aluminium pigment, stationary and dynamic rheological behaviour, electric and heat conducting coatings, copper/aluminium joint protection.

8. Gheorghe NEMŢOI, Alexandra CIOMAGA and Tudor LUPAŞCU

Voltammetric behaviour of Enoxil in aqueous medium of NaClO4 on platinum electrode

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Key words: Enoxil, cyclic voltammetry, quasi-reversible process.

9. Anca Mihaela DUMITRESCU, Petrisor Mugurel SAMOILA, Valentin NICA, Alexandra Raluca IORDAN and Mircea Nicolae PALAMARU

Study of catalytic effect of oxidic compounds of NiFe2O4 type in processes of chemical degradation

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Key words: ferrite, spinel, sol-gel method, catalysis, hydrogen peroxide decomposition.

10. Magdalena LUNGU, Elena ENESCU, Florentina GRIGORE, Nicoleta BURUNTIA, Mariana LUCACI, Gimi RIMBU,
Carmen PANZARU and Cezar IONESCU

Chemical preparation and properties of some high concentrated colloidal silver solutions for antimicrobial applications

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Key words: chemical synthesis, concentrated colloidal silver solutions, antimicrobial assays, biocidal activity.

11. Teodora MĂLĂERU, Jenica NEAMŢU, Cristian MORARI and Gabriela SBARCEA

Structural and magnetic properties of nanocrystalline powders of Ni – doped ZnO diluted magnetic semiconductors synthesized by sol-gel method

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Key words: nanoparticles, sol-gel method, ferromagnetism, diluted magnetic semiconductor.

12. Monica Elisabeta MAXIM, Gabriela STÎNGĂ, Adriana BĂRAN, Alina IOVESCU and Dan F. ANGHEL

Probing the micelle/water interface by non-radiative energy transfer

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Key words: non-radiative energy transfer, micellar interface, aqueous media, pyrene labeled poly(acrilyc acid), naphthalene probe.

13. Aurel TĂBĂCARU, Claudio PETTINARI, Riccardo PETTINARI and Mariglen ANGJELLARI

Rigidity versus flexibility of the ligand upon the porosity degree of new metal-organic polymeric materials

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Key words: rigidity, flexibility, porosity, 4,4′-bipyrazole, bis(1,2,4-triazolyl)methane.

14. Ion BIBICU

Mössbauer spectroscopy applied to surfaces study

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Key words: Mössbauer spectroscopy, surface Mössbauer spectroscopy, 57Fe, 119Sn, corrosion.

15. Tatiana CAZAC, Ludmila KIRIYAK and Igor POVAR

Determination of vanadium trace on the mercury drop electrode by cathodic voltametry

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Key words: cathodic stripping voltammetry, mercury drop electrode, complex-vanadium- 2,3-dihydroxybenzaldehide- bromate-ions.

No 7-8 Juillet-Août 2012

Tome 57, No 7-8 Juillet-Août 2012

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Professor Victor-Emanuel SAHINI

Rev. Roum. Chim., 2012, 57(7-8), 641-648

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1. Eugen SEGAL

Kinetic analysis of a multiroute reaction by means of graphs

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Key words: graph, multiroute reaction, stage, basic determinant.

2. Alina NICOLESCU, Natalia SIMIONESCU, Laura URSU, Calin DELEANU and
Bogdan C. SIMIONESCU

The effect of therapeutic doses of paracetamol and aspirin on the NMR profile of urine at 400 MHz

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Key words: paracetamol, acetaminophen, aspirin, urine, metabolites, NMR spectroscopy.

3. Maria-Cristina POPESCU, Cornelia VASILE and Bogdan C. SIMIONESCU

2D IR dichroism spectra of poly(vinyl alcohol)

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Key words: IR Dichroism, 2D correlation spectroscopy, poly(vinyl alcohol).

4. Cristina TABLET, Luigi DUMITRACHE, Liliana MINEA and Mihaela HILLEBRAND

Inclusion complexes of 3-carboxy- and 7-diethylamino-3-carboxy-coumarin with α-cyclodextrin: spectral study and molecular modeling

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Key words: coumarins derivatives, cyclodextrins, fluorescence, induced circular dichroism, molecular modeling.

5. Domnina RAZUS, Maria MITU, Venera BRINZEA, Adina MUSUC and Dumitru OANCEA

Kinetic modeling of flame propagation in gaseous propane-air mixtures

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Key words: propane, flames, combustion, modeling, burning velocity.

6. Niculae I. IONESCU

Role of the third adsorbed species in the heterogeneous catalytic oscillatory reactions

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Key words: oscillations, three different reactants.

7. Masood SARWAR, Augustin M. MADALAN, Catalin MAXIM and Marius ANDRUH

A dinuclear iron(III) complex bridged by the dianion of trimesic acid – [{Fe(3- MeOsaldmpn)(H2O)}2Htrim]·H2O: synthesis, crystal structure and magnetic properties

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Key words: iron(III) complexes, Schiff-base ligands, magnetic properties, polycarboxylato linkers.

8. Adina ROGOZEA, Florenta SAVONEA and Gabriela IONIŢĂ

EPR study on organogels based on 12-hydroxystearic acid

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Key words: EPR spectroscopy, organogel, 12-hydroxystearic acid.

9. Emilia-Elena IORGULESCU, Elena VARZARU, Daniela BALA and Constantin MIHAILCIUC

Electrochemical study of the oxidation of usnic acid in different organic solvents

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Key words: usnic acid, cyclic voltammetry, differential pulse voltammetry, polar aprotic solvents.

10. Andreea LUNGU, Daniela BALA, Teodora STAICU and Constantin MIHAILCIUC

Cyclic voltammetry of quercetin in the presence of sodium dodecyl sulfate

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Key words: quercetin, SDS, cmc, CV.

11. Elena BACALUM, Emilia-Elena IORGULESCU and Victor DAVID

Enrichment of several benzodiazepines by solid-phase extraction with octyl and phenyl silica adsorbents

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Key words: benzodiazepines, solid-phase extraction, sample enrichment, adsorbents.

12. Zenovia MOLDOVAN

A spectrophotometric method for captopril determination by using fluorescein natrium- bromine system

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Key words: captopril, fluorescein natrium, spectrophotometric determination.

13. Iuliana STOICESCU, Rodica SIRBU, Ticuta NEGREANU-PIRJOL, Monica COCIASU, Doina Paula BALABAN and Camelia BALA

In vitro antioxidant and antibacterial activity of Trapa natans L. aquatic plant from Danube Delta area

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Key words: Trapa natans L. water chestnut, antioxidant activity, antibacterial activity.

14. Iulia HĂRĂBOR, Viorel BRÂNZOI and Florina BRÂNZOI

Effect of new organic polymers as green inhibitors on the corrosion behaviour of carbon steels in cooling water systems

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Key words: organic inhibitors, microwaves energy, cooling water systems, electrochemical polarization, spectroscopy FT-IR,

electrochemical impedance spectroscopy, metallurgical microscopy techniques.

15. Mariana ANGHEL, Titus VLASE, Gabriela VLASE, Paul ALBU, Nicolae DOCA, Iolanda TOLAN and Mircea MRACEC

Hyphenated techniques used by evaluation of the thermal behaviour of glycyrrhetinic acid

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Key words: glycyrrhetinic acid, non-isothermal kinetics, thermal behavior, odified NPK methods, EGA.

16. Josette WEINBERG, Dan A. LERNER and Constantin BĂLĂCEANU-STOLNICI

Theoretical study of DHEA. A possible new drug from a complex between DHEA and 5-HTP

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Key words: HEA, 5-HTP, Ab initio, Density functional theory, B3LYP, NBO.

17. Liliana HALIP, Alexandra T. GRUIA, Ana BOROTA, Maria MRACEC, Ramona F. CURPAN and Mircea MRACEC

3D homology model of the α2C-adrenergic receptor subtype

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Key words: omology model, 2RH1 PDB template, GPCR, 3D-model α2C drenergic receptor.

18. Cătălin BLEGESCU, Dumitru GÂNJU and Mircea Nicolae PALAMARU

Supported Fe, Ni – acetate cluster used in oxidizing processes of organic colorants

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Key words: polynuclear compound, silica matrix, (3-mercaptopropyl)- trimetoxysilane, indigo-carmine, hydrogen peroxide.

No 6 Juin 2012

Tome 57, No 6 Juin 2012

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1. Alexandru T. BALABAN

Brief review of contributions to experimental organic chemistry

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Key words: pyrylium and pyridinium salts, isotope effects, stable aminyls and nitroxides, boron chelates, automerizations of benzenoids.

2. Carmen MOLDOVAN, Rodica IOSUB, Anton MANOLESCU, Anca MANOLESCU and Cornel RADU

Polyaniline nanofiber based device on flexible substrate

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Key words: flexible polymeric substrate, nanofiber conductive polyaniline, gold electrode microtechnology.

3. Dorin ŞULEA, Mădălina Georgiana ALBU, Minodora LECA, Maria MIHALACHE, Lăcrămioara POPA and
Mihaela Violeta GHICA

Collagen-thuja tincture biomaterials for wound treatment. 4. Porous matrices containing thuja tincture and chlorhexidine digluconate

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Key words: collagen matrices, FT-IR characterization, SEM characterization, CHDG delivery.

4. Andrei I. SIMION, Paula E. DOBROVICI, Lăcrămioara RUSU, Lucian GAVRILĂ and Domnica CIOBANU

New possibilities for the valorization of sugar industry by-products

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Key words: sugar beet, beet-pulp, fodder yeast, biomass, environmental pollution.

5. Maria HARJA, Lăcrămioara RUSU, Daniel BUCUR, Corneliu MUNTEANU and Ramona Carla CIOCINTA

Fly ash-derived zeolites as adsorbents for Ni removal from waste water

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Key words: adsorbent, characterization, fly ash, Ni removal, zeolite.

6. Nicusor FIFERE, Anton AIRINEI, Mihaela HOMOCIANU, Constantin GAINA, Viorica GAINA and Bogdan C. SIMIONESCU

Isomerization characteristics of some azobismaleimides

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Key words: azobismaleimide, trans-cis-trans isomerization, photokinetics, electronic absorption spectra, solvent effect.

7. Nicuşor FIFERE, Anton AIRINEI, Constantin GAINĂ, Viorica GAINĂ, Mircea GRIGORAŞ and Bogdan C. SIMIONESCU

Effect of trans-cis photoisomerization of azobismaleimide derivatives on the emission intensity of an aryleneimine fluorophore

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Key words: azobenzene, trans-cis isomerization, photomodulation, fluorescence.

8. Kamal KOR, Kobra ZAREI and Morteza ATABATI

Shuffling multivariate adaptive regression splines for QSPR correlation of the melting point of pyridinium bromides, potential ionic liquids

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Key words: ionic liquid, pyridinium bromides, melting point, QSPR, MARS.

9. Ionela-Daniela CARJA, Corneliu HAMCIUC, Elena HAMCIUC, Tăchiţă VLAD-BUBULAC, Diana SERBEZEANU and Gabriela LISA

Phosphorus-containing poly(ester imide) with pendant phthalonitrile groups

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Key words: poly(ester imide), phosphorus-containing polymers, phthalonitrile groups, thermal stability, flame retardant, thermal degradation kinetics.

10. Niculae I. IONESCU

Role of the adsorbed carbon in heterogeneous catalytic oscillatory reactions

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Key words: oscillations, adsorbed carbon reactions.

No 4-5 Avril-Mai 2012

Tome 57, No 4-5 Avril-Mai 2012

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Professor Ionel Haiduc

Rev. Roum. Chim., 2012, 57(4-5), 243-279

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1. Sanda BOTA, Ion NEDA and Luminiţa SILAGHI-DUMITRESCU

Synthesis and HPLC separation of new quinuclidine derivatives

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Key words: quincorine, quincoridine, quincorine acetylsalicylate, HPLC.

2.  Agota LINI, Petronela M. PETRAR, Gabriela NEMES, Raluca SEPTELEAN, Luminiţa SILAGHI-DUMITRESCU and Henri RANAIVONJATOVO

One step away from phosphastannaallenes: experimental and in silico investigations on phosphastannapropenes

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Key words: phosphastannapropenes, phosphastannaallenes, theoretical calculations, NBO analysis.

3. Ana-Maria VĂLEAN, Santiago GÓMEZ-RUIZ, Peter LÖNNECKE, Luminiţa SILAGHI-DUMITRESCU, Evamarie HEY-HAWKINS

Lithium and magnesium phosphino- and arsinoarylthiolates

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Key words: lithium salt, magnesium complexes, monodentate vs. bidentate coordination, molecular structures.

4. Adina CRISTEA, Anca SILVESTRU, Dragoş MĂRGINEANU and Cristian SILVESTRU

Hypervalent triorganolead(IV) dithiocarbamates containing a 2-(Me2NCH2)C6H4 group. Crystal and molecular structure of [2-(Me2NCH2)C6H4]Ph2PbS(S)CNR2 (R = Me, Et)

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Key words: triorganolead(IV), hypervalent compounds, dithiocarbamates, solution NMR spectroscopy, molecular structure.

5.  Ioana BARBUL, Richard A. VARGA and Cristian SILVESTRU

Structural characterization of some new tris(2,6-dimethylphenyl)tin(IV) derivatives

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Key words: triaryltin(IV), solution NMR spectroscopy, molecular structure, intermolecular interaction.

6. Jean Emmanuel MBOSSO TEINKELA, Andrada MĂICĂNEANU, Cerasella INDOLEAN, Jacques Romain NJIMOU and Cornelia MAJDIK

Cd2+ removal from aqueous solutions using an organo-inorganic immobilized adsorbent

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Key words: Scenedesmus armatus, bentonite, adsorption, Cd2+, equilibrium, kinetics.

7. Dan RUSU, Adrian R. TOMŞA, Graziella L. TURDEAN, Ileana COJOCARU, Oana BĂBAN and Mariana RUSU

Synthesis and investigation of the copper(II)- substituted polyoxotungstate based on α-B- [BiW9O33]9- units

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Key words: polyoxotungsto-bismutate; X-ray diffraction; EPR spectroscopy; cyclic voltammetry.

8. Ioana Andreea TORJE, Ana-Maria VĂLEAN and Castelia CRISTEA

Phenothiazine-carboxaldehyde-hydrazone derivatives synthesis, characterization and electronic properties

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Key words: phenothiazine-carboxaldehyde-hydrazones, microwaves assisted condensation, UV-Vis absorption, fluorescence emission, cyclic voltammetry.

9. Anca PETRAN, Elena BOGDAN, Anamaria TEREC and Ion GROSU

Podands with 10-ethyl-3,7-dithienyl-10H- phenothiazine core: synthesis and structural analysis

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Key words: 10H-phenothiazine, thiophene, podands, Suzuki coupling reactions.

10. Denis S. SALNIKOV, Ilia A. DEREVEN’KOV, Sergei V.MAKAROV, Elena S. AGEEVA, Alexandru LUPAN, Mihai SURDUCAN and Radu SILAGHI-DUMITRESCU

Kinetics of reduction of cobalamin by sulfoxylate in aqueous solutions

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Key words: cobalamin, sulfoxylate, thiourea dioxide, DFT.

11. Gábor KOVÁCS, Roberto ORTIZ, Vasile COMAN, Wolfgang HARREITHER, Ionel Cătălin POPESCU, Roland LUDWIG and Lo GORTON

Influence of SAM structure on direct electron transfer at Au electrodes modified with cellobiose dehydrogenase from Neurospora crassa

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Key words: amperometric biosensors, cellobiose dehydrogenase, direct electron transfer, self-assembled monolayer, Au modified electrodes.

12. Liliana BIZO and Călin I. ANGHEL

New insights in physical properties prediction of indium based solid solution by experimental and artificial intelligence techniques

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Key words: transparent conducting oxides, electrical and optical properties, regression techniques, support vector machine, minnmax approach.

13. Maria BRUMĂ, Mariana Dana DĂMĂCEANU and Inga A. RONOVA

Correlation between conformational rigidity and physical properties of some poly(oxadiazole-imide)s

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Key words: poly(oxadiazole-imide)s, thin films, conformational parameters, glass transition temperature.

14. Diana SERBEZEANU, Ionela-Daniela CARJA, Tăchiţă VLAD-BUBULAC, Corneliu HAMCIUC and Maria BRUMĂ

Comparative study of phosphorus-containing polymers with high performance properties

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Key words: copolyesters, copoly(ester-imide)s, phosphorus-containing polymers, thermal stability, thermotropic liquid crystalline properties.

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

Structural and properties changes investigation upon organic acid modified starch-based films

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Key words: starch, organic acid, chemical modification, FTIR spectroscopy, X-ray diffraction.

16. Elena HAMCIUC, Corneliu HAMCIUC and Inga A. RONOVA

Aromatic polyimides containing pendant carboxylic groups

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Key words: polyimides, carboxylic groups, high thermal stability, conformational rigidity.

17. Cătălin BLEGESCU, Dumitru GÂNJU and Mircea Nicolae PALAMARU

Supported oxo-trinucler Fe-acetate cluster with catalytic activity

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Key words: catalyst, methylene blue, polynuclear, hydrogen peroxide.

18. Romică SANDU and Mihaela HILLEBRAND

Binding affinity of the 3-carboxy-5,6- benzocoumarinic acid to human serum albumin: an isothermal titration calorimetry study

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Key words: human serum albumin, isothermal titration calorimetry, 3-carboxy-5,6-benzocoumarinic acid.

19. Elena BACALUM, Mihaela CHEREGI and Victor DAVID

Retention studies of polar compounds in solid- phase extraction on different bonded silica-based adsorbents

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Key words: solid-phase extraction, guanidine, adsorbents, bonded silica, retention.

20. Viorel CHIHAIA, Cornel MUNTEANU, Rares SCURTU and Petru PALADE

Theoretical study of the reaction of LiBH4 with MgH2 in presence of carbon substrate

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Key words: LiBH4, MgH2, carbon substrate, thermodynamic calculations.

21. Sandu PERETZ, Manuela FLOREA-SPIROIU, Dan F. ANGHEL, Daniela BALA, Cristina STOIAN and Gheorghe ZGHEREA

Microparticles obtained by biopolymer-surfactant interaction: influence of pressure

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Key words: microparticles, chitosan, surfactant, CO2 pressure.

22. Daniela MARGAN, Gheorghe ILIA, Ana BOROTA and Mircea MRACEC

Conformational analysis of prostaglandin E2. II

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Key words: conformational analysis, PM3, PGE2 (dinprostone), EP prostanoid receptors, ligand-receptor interaction.

23. Flavia POP, Jérôme LACOUR and Narcis AVARVARI

[4+2] Cycloadducts between enantiopure tetramethyl-BEDT-TTF and ortho-chloranil: conformational issues in the solid state

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Key words: chirality, tetrathiafulvalenes, cycloadducts, chiral anions, crystal structures.

24. Viorel CHIHAIA, Gabriel MUNTEANU, Vlad T. POPA and Soong-Hyuck SUH

Theory and simulation of transport properties for penetrable-sphere model systems. I. Self-diffusion

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Key words: penetrable-sphere model, molecular dynamics simulation, self-diffusion coefficient.

25. Jose Maria CALDERON-MORENO, Monica POPA, Viorica PÂRVULESCU, Nicolae STĂNICĂ and Soong-Hyuck SUH

Theory and simulation of transport properties for penetrable-sphere model systems. II. Shear viscosity

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Key words: penetrable-sphere model, molecular dynamics simulation, shear viscosity, empirical Enskog-like approximation.

26. Susana MIHAIU, Irina ATKINSON, Mihai ANASTASESCU, Alexandra TOADER, Mariana VOICESCU and Maria ZAHARESCU

Spectroscopic investigations of the formation of the Zn-Sn-O nanostructured films

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Key words: Sn-Zn-O films, sol-gel, fluorescence emission spectroscopy, FT-IR Spectroscopy, Spectroellipsometry.

27. Eugen SEGAL

Rate equations of solid state reactions. Euclidean and fractal models

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Key words: Euclidean, fractal, rate equation.

28. Carmen-Mihaela POPESCU, Cornelia VASILE and Bogdan C. SIMIONESCU

Spectral characterization of natural resins used in conservation

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Key words: iron(III), cobalt(III), mercaptotriazole, spectroscopic studies, antifungal activity.

29. Cristian URSU, Irina BORDIANU, Marius DOBROMIR, Mioara DROBOTA, Corneliu COTOFANA, Mihaela OLARU and Bogdan C. SIMIONESCU

Excimer laser-induced surface modification of poly(ethylene terephthalate)

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Key words: excimer laser, surface modification, dendrite, nap structure.

30. Traian D. PASATOIU, Mael ETIENNE, Augustin M. MADALAN, Roberta SESSOLI and Marius ANDRUH

Crystal structures and magnetic properties of two new heterodinuclear [NiIILnIII] complexes obtained using a side-off compartmental ligand and 2,6-pirydin-dicarboxylato coligand

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Key words: heterometallic complexes, lanthanides, nickel, crystal structures, magnetic properties.

31. Veronica BRĂTAN, Cristian HORNOIU and Niculae I. IONESCU

Oxygen partial pressure dependence of electrical conductivity on TiO2 and Pd/TiO2

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Key words: TiO2, Pd/TiO2, oxygen vacancies.

32. Simona M. COMAN, Dan MACOVEI and Vasile I. PÂRVULESCU

Icosahedral AlMnLn (Ln = Ce, Gd, Dy, Ho) alloys – an EXAFS study and catalytic behavior

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Key words: quasicrystalline alloys, rare-earths, EXAFS, catalytic behavior, styrene hydrogenation.

No 3 Mars 2012

Tome 57, No 3 Mars 2012

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1. Monica DRAGOMIRESCU, Teodor VINTILĂ and Gabriela PREDA

Entrapment of microbial amylases and cellulases in silica-gels

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Key words: Bacillus amyloliquefaciens amylase, Trichoderma viride cellulase, THEOS, sol-gel.

2.  Oussama ALHASSANIEH and Zaki AJJI

Behavior of europium, strontium and cesium on ion exchangers prepared from polyvinyl alcohol grafted with succinic or citric acid using gamma radiation

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Key words: europium, strontium, cesium, adsorption, polyvinyl alcohol, radiation induced grafting, citric acid, succinic acid.

3. Teodor SANDU, Andrei SÂRBU, Floriana CONSTANTIN, Cătălin Ilie SPĂTARU, Raluca Augusta GABOR, Raluca ŞOMOGHI and Horia IOVU

Characterization of functionalized polypyrrole

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Key words: polypyrrole, glutardialdehyde, functionalization.

4. Solen URLU CICEKLI, Tijen ONKOL, Selda OZGEN and M. Fethi SAHIN

Schiff bases of 3-[(4-amino-5-thioxo-1,2,4- triazole-3-yl) methyl]-2(3H)-benzoxazolone derivatives: synthesis and biological activity

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Key words: 2(3H)-benzoxazolone, 4-amino-5-thioxo-1,2,4-triazole, Schiff base, antimicrobial, antitubercular.

5.  Mihaela MANEA

Designing of drilling fluids using nano scale polymer additives

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Key words: drilling fluids, additives, nanometric, rheology.

6. Monica Elisabeta MAXIM, Gabriela STÎNGĂ, Alina IOVESCU, Adriana BĂRAN, Cornelia ILIE and Dan F. ANGHEL

Monitorizing methylene blue inclusion in reverse micellar nanostructures

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Key words: methylene blue, oil/water interface, reverse micelle, static fluorescence.

7. József Zsolt SZÜCS-BALÁZS, Maria COROŞ, Diana MOLNAR and Mircea VLASSA

Microwave-assisted α-pinene acidic catalytic isomerisation

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Key words: terpenes, isomerization, microwave, carbocation rearrangement.

8. Codina MOVILEANU, Maria MITU, Venera GIURCAN, Adina MUSUC, Domnina RAZUS and Dumitru OANCEA

Numerical study of diluent influence on burning velocity of acetylene-air mixtures

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Key words: explosion, acetylene, burning velocity, additive effect.

9. Eugenia Dumitra TEODOR, Georgiana TRUICĂ and Gabriel Lucian RADU

Hyaluronic acid detection from natural extract by diode array-capillary electrophoresis methods

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Key words: hyaluronic acid, natural extracts, capillary electrophoresis, diode array detection.

10. Corina CHEPTEA, Valeriu SUNEL, Cristina STAN and Dana Ortansa DOROHOI

New derivatives of 5-nitroindazole with potential antitumor activity

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Key words: synthesis of 5-nitroindazole derivatives, 1H-NMR and FT-IR analysis, cytostatic action.

No 2 Fevrier 2012

Tome 57, No 2 Fevrier 2012

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1.   Monica DRAGOMIRESCU, Gabriela PREDA, Teodor VINTILĂ, Beatrice VLAD-OROS, Despina BORDEAN and Cecilia SAVII

The effect of immobilization on activity and stability of a protease preparation obtained by an indigenous strain, Bacillus licheniformis B 40

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Key words: protease, Bacillus, immobilization, inorganic support, silica gel, sol-gel.

2.  Loredana Elena VÎJAN and Mihaela NEAGU

Adsorption isotherms of phenol and aniline on activated carbon

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Key words: adsorption, activated carbon, phenol, aniline, adsorption isoth

3. Francisc POTMISCHIL, Claudiu DOBRINESCU, Alina NICOLESCU and Călin DELEANU

Hydroacridines. Part 31. Saturated amine oxides. Part 9. Study of a procedure for N-demethylation of saturated azaheterocyclic tertiary N- methylamines via their N-oxides

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Key words: tetradecahydroacridines, amine oxides, N-demethylation, nitrogen heterocycles, stereochemistry

4. Simona BUNGǍU, Ildiko SZABO, GabrielaElenaBADEAand Alexandrina FODOR

Biotin determination by using a kinetic method

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Key words: biotin, p-aminobenzoic acid, bromate, bromine, Landolt method.

5.  Yogesh K.VYAWAHARE, Vilas R. CHUMBHALE and Anand S. ASWAR

Alkylation of benzene to cumene over MOR zeolite catalysts

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Key words: MOR zeolite, alkylation, cumene, isopropanol, propylene.

6. Ştefania RACOVIŢĂ, Silvia VASILIU and Marcel POPA

Sorption isotherms and kinetics of cefotaxime sodium salt on chitosan-polybetaine complexes

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Key words: chitosan, polybetaines, cefotaxime sodium salt, equilibrium isotherms, kinetic characterization

7. Daniela MARGAN, Gheorghe ILIA, Ana BOROTA and Mircea MRACEC

Conformational analysis for prostaglandin E2. I

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Key words: conformational analysis, PM3, PGE2 (dinprostone), EP prostanoid receptors, ligand-receptor interaction.

8. Toma GALAON and Victor DAVID

The influence of mobile phase pH on the retention and selectivity of related basic compounds in reversed-phase liquid chromatography

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Key words: pH, reversed-phase mechanis, basic compounds, selectivity, modeling

9. Adinuţa PĂUN, Aurora NEAGOE and Ion BACIU

The role of fungi on alleviating the stress induced by heavy metals uptake in rye plants (Secale cereale L.) cultivated in soil from a Roumanian industrial area

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Key words: Glomus intraradices, heavy metals, phytostabilization, phytoextraction, Secale cereale L.

10. Virgil BARBOIU, Anca Giorgiana GRIGORAS, Vasile Cristian GRIGORAS and Gabriela Liliana AILIESEI

Some characteristics specific to copolymers containing donor and acceptor side groups

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Key words: donor-acceptor copolymers, association constant, donor-acceptor interaction effects in molecular spectra, Tg vs. polymer composition.

No 1 Janvier 2012

Tome 57, No 1 Janvier 2012

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1.   Adina Elena STANCIU

Radionuclides in targeted therapy of cancer

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Key words: radionuclide, radiopharmaceutic product, targeted radionuclide therapy, cancer therapy

2.  Marcela-Corina ROŞU, Ramona-Crina SUCIU, Simina-Virginia DREVE, Teofil-Dănuţ SILIPAŞ, Ioan BRATU and Emil INDREA

The influence of PEG/PPG and of the annealing temperature on TiO2-based layers properties

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Key words: nanocrystalline TiO2, photocatalyst, polyethylene glycol, polypropylene glycol

3. Maria COCU, Alexandra CILOCI, Jana TIURINA, Svetlana LABLIUC, Steliana CLAPCO, Maria STRATAN, Jiulieta GRADINARU and Ion BULHAC

The influence of nickel(II) and copper(II) coordination compounds based on benzoylacetone S-methylisothiosemicarbazone on enzymatic
activity of micromycete Aspergillus niger CNMNFD10

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Key words: metal complexes, nickel(II), copper(II), cellulosolytic activity, micromycete

4. Gabriela Elena BADEA, Cornel ANTAL, Marcel ROŞCA and Aurel SETEL

Autocatalytic reduction of Cr(VI) on platinum electrode in acid solution

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Key words: chromate, sulphuric acid solutions, platinum, reduction, mechanism

5.  Laura-Madalina POPESCU, Roxana Mioara PITICESCU, Giovanni DONI and Andrea DANANI

Interfacial interactions of Fe3+ with PAMAM dendrimer in different pressure conditions. Molecular dynamics

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Key words: PAMAM dendrimer, Fe3+-PAMAM interactions, molecular dynamics, radial distribution function

6. Daniela MARGAN, Ana BOROTA, Maria MRACEC and Mircea MRACEC

3D homology model of the human prostaglandin E2 receptor EP4 subtype

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Key words: GPCR, 3D homology model, PE2R4, EP4, adenosine receptor A2a template.

7. Cristina STAN, Constantin P. CRISTESCU and Dana Andreea NEACSU

Using chaos game representation for similarity studies on albumin amino acids sequences

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Key words: chaos game representation, protein sequences, albumin

8.  Florina BRÂNZOI, Viorel BRÂNZOI, Alina PRUNĂ

Characterization of electrochemical properties of poly(3,4-ethylene dioxythiophene) – poly(N,N-dimethyl aniline) and copolymer

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Key words: poly(3,4-ethylene dioxythiophene), poly(N,N-dimethyl aniline), copolymerization, cyclic voltammetry, dopant, cyclic voltammetry, scanning electron microscopy (SEM).

9. Eugen SEGAL

Kinetic graphs as a useful tool for the kinetic description of catalytic and chain reactions

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Key words: complex reaction mechanisms, kinetic graphs, steady state approximation

10.  Medeea RADULESCU, Emilia-Elena IORGULESCU, Constantin MIHAILCIUC and Victor DAVID

Comparative study of the retention of pyridinium and imidazolium based ionic liquids on octadecylsilica stationary phase under ion pairing mechanism with alkylsulphonate anions

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Key words: ionic liquids, ion pairing, liquid chromatography, octadecylsilica, alkylsulphonate

11.  The 3rd Regional Symposium on Electrochemistry: South‐East Europe

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12.  Strengthening the Roumanian research capacity in multifunctional polymeric materials (FP7-REGPOT-2010-1-STREAM)

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