Archive for 2013

No 11-12 Novembre-Décembre 2013

Tome 58, No 11-12 Novembre-Décembre 2013

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1. Irina STAMBOLOVA, Vladimir BLASKOV and Ognian DIMITROV

 

Influence of different process parameters upon microstructure of ZnO films preparared by spray pyrolysis

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Key words: ZnO, thin films, spray pyrolysis, morphology, oriented growth.

2. Zsigmond PAPP

 

Recent results in food analysis with carbon paste electrodes: Organic constituents, additives and contaminants

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Key words: food analysis, organic compounds, carbon paste electrodes, modified electrodes, biosensors.

3. Andreea D. NEACŞU, Ana NEACŞU, Iulia CONTINEANU, Gabriel MUNTEANU and Speranţa TĂNĂSESCU

 

Solid state study of the inclusion compounds of alpha-, beta- cyclodextrin with D-,L-tryptophan isomers

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Key words: cyclodextrin, tryptophan, complex, bonds, energy

4. Ioana Raluca PREPELITA, Narcisa VRINCEANU, Roxana CHIRITA, Romeo Petru DOBRIN, Ovidiu Eugen ALEXINSCHI, Florin BRINZA, Bogdan Alexandru HAGIU and Mirela Petruta SUCHEA

 

New approach on the role of a polymer matrix in the strong texturation of ZnO nanopowders

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Key words:  ZnO, nanoparticles, monochlorotriazinyl-β-cyclodextrin, sol-gel method, lamellar structure.

5. Liliana CSEH and Georg MEHL

 

Structure–properties relationships in liquid crystal thiols

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Key words:  liquid crystals, thiols, nematic phase, smectic phases.

6. Hayat TABEIKH, M. Hassan Al KURDI and Zaki AJJI

 

Effect of metal ions on the chemical recycling of poly(ethylene terephthalate) in sulfuric acid

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Key words:  recycling, poly(ethylene terephthalate), sulfuric acid, hydrolysis, metal ions.

7. Gabriela PAUN, Saadia ZRIRA, Amale BOUTAKIOUT, Oana UNGUREANU, Demetra SIMION, Ciprian CHELARU and Gabriel Lucian RADU

 

Chemical composition, antioxidant and antibacterial activity of essential oils from Morrocan aromatic herbs

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Key words:  Lippia citriodora, Cedrus atlantica, antioxidant activity, antibacterial activity.

8. Nadia Ahmed ABDALLA, Mohamed Tawfek EL-HATY, Farok Abd-Elkarim ADAM and Fatma Wafdy HASSAN

 

Complex of Cu(II), Co(II), Ni(II), Zn(II), Zr(IV), Ce(III), La(III) and UO2(II) with arylazo pyriimidine derivatives

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Key words: coordination, aryl azo pyrimidine, transition rare, metals, spectra.

9. In memoriam Acad. Eugen SEGAL

10. In memoriam Dr. Dumitru MARCHIDAN

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11. Index of authors

12. Index of subjects

 

 

No 9-10 Septembre-Octobre 2013

Tome 58, No 9-10 Septembre-Octobre 2013

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1. Graziella Liana TURDEAN

 

Amperometric detection of glucose by electrocatalytic reduction at a copper-modified electrode

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Key words: copper oxide, hydrogen peroxide, glucose, amperometric detection

2. Florina BRÂNZOI and Viorel BRÂNZOI

 

Electrochemical methods for obtaining and characterization of polymeric films POPD and composite films POPD/CNTS with different additives on metallic substrate

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Key words: ortophenylediamine, carbon nanotubes, sodium dodecyl sulphate, 2,9-dimethyl 1,10-phenanthrolin, sodium diethyldithiocarbamat, cyclic voltammetry, electropolymerization, electrochemical impedance spectroscopy, SEM

3. Florina BRÂNZOI and Viorel BRÂNZOI

 

Effect of some new organic polymers as green corrosion inhibitors for brass in cooling water system

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Key words: organic inhibitor, brass, cooling water, potentiodynamic polarization, electrochemical impedance spectroscopy and FT-IR.

4. Raluca Oana IONESCU, Yolande PERES-LUCCHESE, Séverine CAMY, Thierry TASSAING, Jean-François BLANCO, Gilles ANNE-ARCHARD, David RIBOUL and Jean-Stéphane CONDORET

 

Activation of CH3OH and CO2 by metallophthalocyanine complexes: potential route to dimethyl carbonate

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Key words:  carbon dioxide – dimethylcarbonate – metallophthalocyanine complexes – methanol.

5. Ghodsi MOHAMMADI ZIARANI, Alireza BADIEI, Zeinab DASHTIANEH and Parvin HAJIABBASI

 

Green one-pot syntheses of 1H- and 4H-chromenes derivatives using SiO2-Pr-SO3H as catalyst

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Key words:  1H- and 4H-Chromenes derivatives, SiO2-Pr-SO3H, green synthesis, heterogeneous catalysts.

6. Iman MOHAMMADZADEH, Mohammad BAVAFA and Hassan SHEIBANI

 

A fast one-pot multi-component synthesis of 3,4-dihydropyrimidin-2(1H)-ones in the presence of magnesium oxide as a highly effective heterogeneous base catalyst

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Key words:  3,4-dihydropyrimidin-2(1H)-ones, three-component reaction, Biginelli reaction, magnesium oxide (MgO).

7. Cristina POPA, Stefan BANITA, Mihai PATACHIA and Dan C. DUMITRAS

 

Spectroscopic study of ammonia at subjects with kidney failure: a case control study

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Key words:  ammonia, urea, photoacoustic spectroscopy technique, kidney diseases, breath test.

8. Denisa DUMITRESCU, Marcel Mirel POPA, Florentina GEORGESCU, Emilian GEORGESCU, Loredana BARBU and FloreaDUMITRASCU

 

New substituted pyrroles obtained in searching for pyrrolo[1,2-a]quinazoline framework

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Key words: N-arylpyrroles, one-pot synthesis, heterocycles, pyrrolo[1,2-a]quinazoline, N-ylides.

9. Elena NEAGU, Gabriela PAUN, Andreia ALECU and Gabriel Lucian RADU

 

Chitosan-polyvinilpyrrolidone/ ellagic acid based membranes with controlled antioxidant properties

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Key words: membrane, chitosan, ellagic acid, FTIR, entrapping, antioxidant.

10. Ying JING, Hui LIU, Yang YU, Xiaojun TAN, Hailong WANG, Fang WANG, Xinglou DU and Yungang CHEN

 

Theoretical study on the addition reaction mechanism between propadienylidene and formaldehyde: an alternative approach to the formation of furan

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Key words: propadienylidene, formaldehyde, reaction mechanism, MP2 method.

11. Georgiana TRUICĂ (BADEA), Eugenia Dumitra TEODOR and Gabriel Lucian RADU

 

Organic acids assesments in medicinal plants by capillary electrophoresis

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Key words: medicinal plants, short-chain organic acids, capillary electrophoresis (CE), diode array detection (DAD).

12. Laura BAJENARU, Silviu NASTASE, Cristian MATEI and Daniela BERGER

 

Effect of aluminium content from MCM-41-type silica materials on the irinotecan adsorption and its in-vitro release

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Key words: drug delivery systems, irinotecan, aluminosilicates, MCM-41, mesoporous materials.

13. Elena VULPE and Augustin M. MADALAN

Synthesis and crystal structures of a tripodal ligand derived from 4,4’-dihydroxybiphenyl and its gadolinium(III) mononuclear complex

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Key words: tripodal ligands, gadolinium(III) complexes, molecular structure.

14. Augustin M. MADALAN

 

A new exo-tridentate tris-pyridine ligand derived from 3-oxa-1,5-diazabicyclo[3.3.1]nonane and its dinuclear Cu(II) complex. Synthesis and crystal structures

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Key words: tridentate ligands, copper(II) complexes, polynuclear complexes, molecular structure.

15. International Conference of Physical Chemistry (Romphyschem 15)

 

No 7-8 Juillet-Août 2013

Tome 58, No 7-8 Juillet-Août 2013

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International conference on analytical chemistry (RO-ICAC 2012)

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1. Tatjana VERBIĆ, Zsanett DORKÓ and George HORVAI 

 

Selectivity in analytical chemistry

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Key words: analytical chemistry, selectivity, specificity, interferences

2. Peter SCHÖN, Maria GOSA and G. Julius VANCSO 

Nanoscale mechanical properties of single biomolecules by AFM

Key words: atomic force microscopy, nanoscale mechanical properties, multifrequency AFM, pulsed force, elastic modulus.

3. Imran ALI, Afzal HUSSAIN, Kishwar SALEEM and Hassan Y. ABOUL-ENEIN 

Separation and identification of antidepressant drugs in human plasma by SPE-TLC method

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Key words: fluvoxamine maleate, paroxetine, sertraline, TLC, SPE, plasma, bioanalysis.

4. Gheorghe NECHIFOR, Daniela Elena PASCU, Mihaela PASCU (NEAGU), Gina Alina TRAISTARU, Andrei A. BUNACIU and Hassan Y. ABOUL-ENEIN 

 

Study of adsorption kinetics and zeta potential of phosphate and nitrate ions on a cellulosic membrane

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Key words:  phosphate anion, nitrate anion, cellulosic membrane, zeta potential, adsorption kinetics.

5. Tanţa SETNESCU, Iulian BANCUTA, Radu SETNESCU, Roxana BANCUTA, Andrei CHILIAN, Marius BUMBAC, Elena Daniela CHELĂRESCU, Otilia CULICOV and Marina FRONTASYEVA 

 

Characterization of some therapeutic muds collected at different sites in Roumania

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Key words:  therapeutic muds, thermal analysis, ATR-FTIR, INAA, EDXRF.

6. Laur MANEA and Daniela Cristiana ALEXANDRESCU 

 

Studies on the content of metals and pesticides in fruit growing areas and their ecotoxicological impact

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Key words:  pesticides, bioaccumulation, metals, anthropogenic enrichment factors (FAI), agroecosystems.

7. Iuliana MANEA 

Evolution of bioactive compounds in fruit juices during preservation by refrigeration

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Key words:  bioactive compounds, elder, beetroot, red grapes, refrigeration.

8. Carmen Cristina ELEKES 

 

Influence of soil chemistry on the phytoremediation process

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Key words: perennial grasses, heavy metals, bioaccumulation, soil chemistry

9. Carmen Cristina ELEKES and Gabriela BUSUIOC 

 

Influence of chemical composition of soil on metal accumulation in edible mushroom species of Russula genus

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Key words: edible mushrooms, trace elements, bioaccumulation, chemical composition of soil.

10. Nurgul KARADAS and Ahmet AKBAŞ 

 

Inhibition effect of berberine on the corrosion of copper in acidic medium

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Key words: corrosion inhibitors, copper, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS).

11. Burcin BOZAL-PALABIYIK, Sevinc KURBANOGLU, Mehmet GUMUSTAS, Bengi USLU and Sibel A. OZKAN

 

Electrochemical approach for the sensitive determination of anticancer drug epirubicin in pharmaceuticals in the presence of anionic surfactant

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Key words: epirubicin, boron-doped diamond electrode, voltammetry, surfactant, oxidation mechanism.

12. Raluca-Ioana STEFAN-VAN STADEN, R’afat M. NEJEM and Jacobus F. VAN STADEN 

 

Enantioselective, potentiometric membrane electrodes based on cyclodextrins for the assay of glyceric acid in urine and serum samples

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Key words: enantioselective, potentiometric membrane electrodes; L(D)-glyceric acid; α-, β-, γ-cyclodextrins; 2-hydroxy-3-trimethylammoniopropyl-β-cyclodextrin.

13. Raluca-Ioana STEFAN-VAN STADEN and Luxolo HOLO 

Vancomycin and teicoplanin based enantioselective, potentiometric membrane electrodes for the assay of
L-cysteine

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

14. Mariana Nela ŞTEFĂNUŢ, Zoltan ŰRMÖSI, Adina CĂTA, Paula SFÎRLOAGĂ and Cristian TĂNASIE 

 

Studies for gold and silver recovery from waste electronic equipment

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Key words: electronic wastes, precious metals, AAS, SEM, electrodeposition.

15. Mehmet GUMUSTAS, Nurgul KARADAS and Sibel A. OZKAN

 

Validated electroanalytical and RP-LC assay of ertapenem in its pharmaceutical dosage form

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Key words: ertapenem, boron doped diamond, voltammetry, chromatography, pharmaceutical dosage form.

16. Jens E.T. ANDERSEN and Haedar S.H. ALFALOJE

 Pooled calibrations and retainment of outliers improved chemical analysis

Key words: quality assurance, ICP-MS, validation, uncertainty, metrology.

17. Ioana Anamaria SIMA, Rodica Domnica NAŞCU-BRICIU and Costel SÂRBU

Simultaneous determination of levodopa and carbidopa in pharmaceuticals by principal component regression

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Key words: levodopa, carbidopa, experimental design, multivariate analysis, PCR, UV spectroscopy.

18. Camelia DRAGHICI, Domnica COMAN, Mihaela SICA and Carmen DIMA

 

Method validation and uncertainty estimation for anionic surfactants determination from municipal wastewaters

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Key words: method validation, uncertainty estimation, anionic surfactants, municipal wastewaters.

19. Ştefania IORDACHE and Daniel DUNEA

 

Multivariate analysis applied to physicochemical parameters of treated wastewater effluents discharged in Teleajen River

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Key words: wastewater effluent, physicochemical parameters, multivariate analysis.

No 6 Juin 2013

Tome 58, No 6 Juin 2013

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 Dr. Niculae I. IONESCU

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1. Cristian C. GAVĂT, Constantin V. UGLEA and Costinela Valerica GEORGESCU  

 

Biological activity of the oxidized polysaccharides

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Key words: natural polysaccharides, benzocaine, Didox, antiviral activity, antitumor activity. 

2. Naser FOROUGHIFAR, Akbar MOBINIKHALEDI, Bahare REBEIE and Leila JALILI 

 

DABCO as a mild and efficient catalyst for the synthesis of tetrahydropyrimidines

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Key words: tetrahydropyrimidines, DABCO, catalyst, Biginelli. 

3. Gulnara Z. RASKILDINA, Elmira K. AMINOVA, Anna N. KAZAKOVA, Anna A. BOGOMAZOVA, Natalia N. MIKHAILOVA and Simon S. ZLOTSKY 

 

Reactions of substituted gem- dichlorocyclopropanes with phenols

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Key words:  gem-dichlorocyclopropanes, O-alkylation, phase transfer catalysis, vinilketals, dimethylsulfoxide. 

4. Laura HABASESCU, Gheorghita ZBANCIOC, Robert GRADINARU, Manuela MURARIU, László FERENCZ and Gabi DROCHIOIU 

 

Copper binding to SG and EE peptides as a function of pH. Implication for understanding amyloidogenesis

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Key words:  copper binding, peptides, serylglycine, glutamylglutamate, spectroscopy. 

5. Bahittin KAHVECI, Nesibe SOSAN, Emre MENTEŞE and Fatih YILMAZ 

 

Microwave-assisted synthesis of some novel benzimidazole compounds containing oxadiazole moiety

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Key words:  benzimidazole, iminoester hydrochloride, microwave synthesis, oxadiazole. 

6. Petru BUDRUGEAC

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

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

7. Paula E. DOBROVICI, Andrei I. SIMION, Cristina G. GRIGORAŞ and Lidia FAVIER-TEODORESCU 

Optimization of barley husks acid hydrolysis process using the response surface methodology

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Key words:  barley, husks, hydrolysis, response surface methodology, optimization. 

8. Mariana Viorica BOGĂŢIAN, Gheorghe BOGĂŢIAN, Anca HÎRTOPEANU, Călin DELEANU, Alina NICOLESCU, Maria MAGANU and Petru FILIP 

 

Reaction of pyrylium perchlorates having long alkyl substituted with aminoacids

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Key words: pyrylium and pyridinium perchlorates, aminoacids. 

9. Snežana S. MITIĆ, Branka T. STOJANOVIĆ, Aleksandra N. PAVLOVIĆ, Milan N. MITIĆ and Milan B. STOJKOVIĆ 

 

The phenol content, antioxidant activity and metal composition of the Serbian vineyard peach

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Key words: vineyard peach, polyphenolic content, antioxidant activity, metals. 

10. Mircea NICULESCU, Dan ROŞU, Ionuţ LEDEŢI, Marius MILEA and Petru BUDRUGEAC  

 

Thermal and spectroscopic studies of Ni(II)-Fe(III) heteropolynuclear coordination compound obtained through the reaction of 1,2-ethanediol with metallic nitrates

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Key words: 1,2-ethanediol, metallic nitrates, heteropolynuclear coordination compound, glyoxylate, thermal analysis. 

11. Anca Amalia UDRISTE, Vasilica STAN, Martin TABLER and Gabriel Lucian RADU 

 

Identification of an EXOIII domain of a putative plant ERI-1 homologue

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Key words: Nicotiana tabacum; ERI-1; 3’-5’exonuclease domain (EXOIII). 

 

No 4-5 Avril-Mai 2013

Tome 58, No 4-5 Avril-Mai 2013

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Professor Eugen Segal

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

 

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

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

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

 

Thermal behavior of ZnO precursor powders obtained from aqueous solutions

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

3. Maria-Cristina POPESCU and Bogdan C. SIMIONESCU 

 

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

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

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

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

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

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

 

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

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

6. Petru BUDRUGEAC 

 

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

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

7. Mircea NICULESCU and Petru BUDRUGEAC 

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

0.5H2O]n

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

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

 

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

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

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

 

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

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

10. Cassiana Cristina ANDREI, Daniela BALA and Constantin MIHAILCIUC  

 

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

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Key words: CV, DPV, hydrazine derivatives. 

11. Iulia MATEI, Sorana IONESCU and Mihaela HILLEBRAND 

 

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

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

12. Ana Maria TOADER, Mihaela ŢONE and Elena VOLANSCHI 

 

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

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

13. Jana PETRE, Vasile IANCU and Victor DAVID  

 

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

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

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

 

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

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

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

 

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

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

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

 

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

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

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

 

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

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

 

No 2 Février-Mars 2013

Tome 58, No 2 Février-Mars 2013

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Professor Bogdan C. Simionescu

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1. Marilena BARTIC, Liviu SACARESCU and Valeria HARABAGIU 

 

Optical and electrical properties of TiO2 thin films deposited by sol-gel method

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Key words: TiO2, sol-gel, optical properties, electrical properties. 

2. Ana Maria CATARGIU, Teofilia IVAN, Loredana VACAREANU and Mircea GRIGORAS 

 

Synthesis and photophysical properties of two branched carbazole-based polymers

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Key words: branched oligomers, self-Ullmann and Heck polycondensation, carbazole derivatives, vinyl carbazole branched oligomers, photophysical properties. 

3. Maria BRUMA, Mariana-Dana DAMACEANU, Catalin-Paul CONSTANTIN and Nataliya M. BELOMOINA 

 

Study of fluorinated polyimides containing fused aromatic rings

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Key words:  polyimides, naphthalene, perylene, trifluoromethyl, thin films, blue light emission. 

4. Aurica P. CHIRIAC, Manuela T. NISTOR, Loredana E. NITA and Iordana NEAMTU 

Poly(N,N-dimethylacrylamide-co-3,9-divinyl- 2,4,8,10-tetraoxaspiro(5.5)undecane) synthesis as matrix ensuring intramolecular strategies for further coupling applications

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Key words:  N, N-dimethylacrylamide; 3, 9-divinyl-2, 4, 8, 10-tetraoxaspiro(5.5)undecane; radical polymerization; smart macromolecular systems. 

5. Loredana E. NITA, Aurica P. CHIRIAC, Manuela T. NISTOR and Iordana NEAMTU 

Hydrogel based on poly(N,N-dimethylacrylamide- co-3,9-divinyl-2,4,8,10- tetraoxaspiro(5.5)undecane) with dual sensitive behavior. Synthesis and characterisation

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Key words:  hydrogel, N, N-dimethylacrylamide; 3, 9-divinyl-2, 4, 8, 10-tetraoxaspiro (5.5) undecane; thermosensitive. 

6. Simona MORARIU and Maria BERCEA 

Thixotropy and yield stress evaluation for clay aqueous dispersions

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Key words:  smectite, viscoelastic properties, thixotropy, yield stress, clay dispersion. 

7. Anca-Dana BENDREA, Luminita CIANGA and Ioan CIANGA 

 

Poly(ethylene glycol) – functionalized, water self-dispersible α-terthiophenes

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Key words:  α-terthiophenes, polyethylene glycol, amphiphilic structures, fluorescent nanoparticles. 

8. Marioara NECHIFOR, Constantin I. CHIRIAC and Fulga TANASA 

 

Sodium tetraborate/benzyltriethylammonium chloride-mediated synthesis of substituted cinnamic acids from aromatic aldehydes and aliphatic carboxylic acids

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Key words: cinnamic acid, one-pot synthesis, sodium tetraborate, benzyltriethylammonium chloride. 

9. Violeta MELINTE, Tinca BURUIANĂ and Emil C. BURUIANĂ 

 

Hybrid polymer composite coatings based on photopolymerizable piperazine derivatives microfilled with TiO2

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Key words: piperazine dimethacrylates, photopolymerization, TiO2 microparticles/polymer composites, properties. 

10. Mihaela BALAN, Alina NICOLESCU, Cristina STAVARACHE, Mihaela CIOBANU and Calin DELEANU 

 

Fast NMR juice identification based on sugars and other plant metabolites from fruits

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Key words: sugars, metabolites, fruits, NMR spectroscopy. 

11. Cristina-Eliza BRUNCHI and Luminita GHIMICI 

 

PEG in aqueous salt solutions. Viscosity and separation ability in a TiO2 suspension

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Key words: viscosity, separation, poly(ethylene glycol), titanium dioxide. 

12. Maria BERCEA, Raluca Nicoleta DARIE and Simona MORARIU 

 

Rheological investigation of xanthan/pluronic F127 hydrogels

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Key words: hydrogels, xanthan, Pluronic F127, viscoelasticity, yield stress. 

13. Andreea STEFANACHE, Iuliana STOICA, Ana-Maria RESMARITA and Aurica FARCAS 

 

Some photophysical and morphological properties of polyrotaxane based on fluorene derivatives

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Key words: Host-Guest Complexes, polyfluorenes, random copolymers, blue-emission, roughness. 

14. Mioara DROBOTA, Magdalena AFLORI, Iuliana STOICA and Florica DOROFTEI 

 

Surface characterization of amine functionalized PET films after collagen immobilization

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Key words: PET, plasma, aminolysis, collagen immobilization. 

15. Alina SOROCEANU, Maria CAZACU, Alexandra NISTOR and Sergiu SHOVA  

 

Ni(II) and Zn(II) complexes with a salen-type ligand derived from 1,3-bis (3-aminopropyl)tetramethylsiloxane

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Key words: salen, metal complex, siloxane, X-ray single crystal diffraction. 

16. Anamaria DURDUREANU-ANGHELUTA, Simona BACAITA, Viviana RADU, Maricel AGOP, Leonard IGNAT, Cristina Mariana URITU, Stelian Sergiu MAIER and Mariana PINTEALA 

Mathematical modelling of the release profile of anthraquinone-derived drugs encapsulated on magnetite nanoparticles

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Key words: magnetite particles, rhein, heparin, fractal dimension, Weibull law. 

17. Gabriela CIOBANU, Simona ILISEI and Constantin LUCA 

 

Ag-loaded hydroxyapatite coatings on polyurethane surfaces by biomimetic deposition

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Key words: polyurethane scaffold, hydroxyapatite, silver, coatings. 

18. Daniela IVANOV and Andrei NEAMTU  

 

Molecular dynamics evaluation of hyaluronan interactions with dimethylsilanediol in aqueous solution

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Key words: molecular dynamics simulations, sodium hyaluronate, hydrogen bonds, aquous solution, dimethylsilanol. 

19. Luminita PREDOANA, Mariuca GARTNER, Valentin Serban TEODORESCU, Madalina NICOLESCU, Mihai ANASTASESCU and Maria ZAHARESCU 

 

Sol-gel hybrid nanocomposites with oxide nanoparticles

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Key words: sol-gel, hybrid films, spectroellipsometry, oxide nanoparticles embedment. 

20. Niculae I. IONESCU 

 Role of time scales in heterogeneous catalytic oscillatory reactions

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Key words: oscillations, different time scales. 

21. Vlad IUCHA, Ruxandra GHEORGHE, Augustin M. MADALAN and Marius ANDRUH 

 

Supramolecular homometallic Cr(III) systems resulting from second coordination sphere interactions

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Key words: chromium(III) complexes, crystal structures, hydrogen-bonded assemblies, bicompartmental Schiff-base ligands. 

22. Raluca MITEA, Ancuta COVACI, Cristian SILVESTRU and Anca SILVESTRU 

 

Cobalt(II) complexes with hypervalent triarylphosphanes

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Key words: hypervalent triarylphosphanes, cobalt(II) complexes, spectroscopy, crystal and molecular structure. 

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

 

Chitosan microparticulate systems prepared by polymer-surfactant interaction

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Key words: chitosan, microparticulate system, polymer, surfactant. 

24. Violeta PURCAR, Simona CAPRARESCU, Catalin Ilie SPATARU, Marius GHIUREA, Valentin RADITOIU, Cristian PETCU, Raluca SOMOGHI, Mihai Cosmin COROBEA and Dan DONESCU 

 

Preparation of hydrophobic and antireflective hybrid films by sol-gel process using perfluoroalkylsilane and tetraethoxysilane

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Key words: sol-gel process, perfluoroalkylsilane, water contact angle, thin films. 

 

No 1 Janvier 2013

Tome 58, No 1 Janvier 2013

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1. Ernő E. KISS and Goran C. BOSKOVIC 

 

Influence of the alumina origin on the reducibility of NiO catalyst

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Key words: nickel oxide, catalyst, alumina, interaction, reducibility 

2. Manuela ROMAŞ, Daniel MARECI, Silvia CURTEANU and Daniel SUTIMAN 

 

Influence of caffeine on the passivity of cobalt- chromium-molybdenum alloy in artificial saliva

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Key words: CoCrMo alloys, caffeine, corrosion inhibition, polarization curves, EIS

3. Silvia BURCĂ, Maria STANCA, Cerasella INDOLEAN, Cornelia MAJDIK and Andrada MĂICĂNEANU 

Fe-Zn-ZVT catalyst used in advanced oxidation processes of organic pollutants from wastewaters

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Key words:  organic pollutants, phenol, heterogeneous Fenton, Fe-Zn-ZVT catalyst. 

4. Masoud NASR-ESFAHANI and Tooba ABDIZADEH 

 

Preparation, characterization and use of vanadatesulfuric acid as a new and eco-benign nanocatalyst for the synthesis of 14-aryl-14H-dibenzo[a,j] xanthenes under solvent-free conditions

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Key words:  nanorod vanadatesulfuric acid, 14-aryl-14H-dibenzo[a,j] xanthenes, solvent-free. 

5. Violeta PURCAR, Dan DONESCU, Ilie Catalin SPATARU, Marius GHIUREA, Simona CAPRARESCU, Cristian PETCU and Cristina Lavinia NISTOR 

 

Surface modification of sol-gel hybrid films using fluorinated silica nanoparticles

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Key words:  sol-gel process, fluorinated silica nanoparticles, water contact angle, morphology, FTIR. 

6. Samadani Langeroodi NARGES 

 

Study of the adsorption of acetic acid on silica gel in aqueous solution

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Key words:  silica gel, adsorption isotherms, thermodynamics, kinetics. 

7. Florina BRÂNZOI, Viorel BRÂNZOI and Zoia PAHOM 

 

Monolayer and bilayer conducting polymer coatings for corrosion protection of copper in 0.5 M H SO solutions

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Key words:  conducting polymer, corrosion protection, copper, electropolymerization, coatings. 

8. Iuliana RAUT, Mariana CALIN, Florin OANCEA, Melania Liliana ARSENE and Luiza JECU 

 

Isolation and identification of microbial strains involved in industrial systems materials corrosion in aquatic environment

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Key words: 

microbial induced or influenced corrosion, MIC, microorganism, biofilm, bacteria.

9. Zsigmond PAPP and Ildikó KOVÁCS 

 

Surface analysis of a modern silver coin: SEM/ EDS measurements

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Key words: scanning electron microscopy, energy dispersive spectrometry, surface analysis, microchemistry, silver coin.