No 4-5 Avril-Mai 2017

Tome 62, No 4-5 Avril-Mai 2017

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  1. Professor Ionel HAIDUC

80th anniversary & List of publications

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2. Ana-Lavinia VASILIU, Marcela MIHAI and Bogdan C. SIMIONESCU

Microcapsules of calcium carbonate and pH-sensitive polymers

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Key words: CaCO3, capsules, composite microparticles, pH-sensitive polymer.

3. Oana BUMBU, Dragos MĂRGINEANU, Anca SILVESTRU, Florentina CZIPLE and Cristian SILVESTRU

Synthesis and structural characterization of HgX[(SPPh2)2N-S,S’] ( X = Cl, Br, I) – molecular structures and supramolecular aspects

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Key words: (halo)mercury(II) compounds, tetraphenyldithioimidodiphosphinate, X-ray molecular structure, supramolecular architecture.

4. Maria Cristina PAȘCANU, Elena BOGDAN, Anamaria TEREC, Ion GROSU and Niculina D. HĂDADE

Synthesis and ESI(+)-MS complexation studies of new 24- and 36-membered cyclic peptides

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Key words: cyclic peptides, solid phase peptide synthesis, macrocyclization, ESI(+)-MS, complexation.

5. Codina MOVILEANU, Maria MITU, Domnina RAZUS, Venera GIURCAN and Dumitru OANCEA

Propagation indexes of C2H4-N2O-N2 deflagrations on elongated closed vessels

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Key words: explosion, ethylene, nitrous oxide, closed vessels.

6. Rodica Domnica NAŞCU-BRICIU, Cristina COMAN and Costel SÂRBU

Simultaneous quantification of some non-steroidal anti-inflamatory and analgesic drugs by principal component regression

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Key words: chemometrics, experimental design, principal component regression, drugs.

7. Cristina MIHALI, Thomas DIPPONG, Claudia BUTEAN and Firuța GOGA

Heavy metals and as content in soil and plants in the Baia Mare mining and metallurgical area (NW of Roumania)

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Key words: heavy metals, arsenic, soil pollution, pollution index.

8. Silvia BURCĂ, Cerasella INDOLEAN and Andrada MĂICĂNEANU

Isotherms study of Congo red biosorption equilibrium using fir ( Albies nordmanniana) sawdust biomass

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Key words: Congo red, fir sawdust, Abies nordmanniana, biosorption, isotherms study.

9. Mitica SAVA, Cristian URSU, Ion SAVA, Marioara NECHIFOR and Alin Marian APETREI

Thermal and mechanical properties of some bismaleimide polymers containing azobenzene side groups

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Key words: bismaleimide resins; thermal properties; optical properties; mechanical properties.

10. Alina G. RUSU, Alina DIACONU, Nita TUDORACHI, Mihai ASANDULESA, Loredana E. NITA, Mihaela CRISTEA, Iordana NEAMTU and Aurica P. CHIRIAC

Comparative studies regarding the impact of the synthesis possibilities on the physico-chemical properties of poly(N,N-dimethylaminoethyl methacrylate)

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Key words: poly(N,N dimethylaminoethyl methacrylate), initiation system, thermo-responsiveness, thermal decomposition, dielectric properties.

11. Simona MORARIU and Maria BERCEA

In-situ monitoring of N-t-butylacrylamide polymerization in presence/ absence of clay

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Key words: N-t-butylacrylamide, Laponite RD, nanocomposite gels, viscoelastic properties.

12. Mirela-Fernanda ZALTARIOV and Sergiu SHOVA

Unexpected co-crystallization of three species of Cu(II) complexes with different coordination geometry

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Key words: copper(II) complex, 4-aminopyridine, co-crystallization, diffuse reflectance spectroscopy, fluorescence.

13. Daniela VARGA, Luminita CRISAN and Liliana PACUREANU

Molecular modeling studies of thiazole derivatives as PIN1 inhibitors

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Key words: ROCS, pharmacophore modeling, QSAR, thiazole derivatives, PIN1.

14. Elisabeta I. SZERB, Liliana CSEH, Ana-Maria PANA, Radu BANICA, Petrica LINUL, Marcel LAZAROVICI, Carmen CREŢU, Laurentiu DEMETROVICI, Cosmin LOCOVEI, Georgeta M. SIMU, Nicolae STRIMBEANU and Otilia COSTISOR

Synthesis and characterization of copper nanocubes from waste complex catalyst

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Key words: copper nanoparticles; chemical waste recovery; electron microscopy; wet-chemical reduction.

15. Gabriela NACU, Lăcrămioara (NEMEŞ) NEGRILĂ and Laura BULGARIU

Batch adsorption of Zn(II) ions from aqueous solution onto sawdust

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Key words: adsorption, sawdust, Zn(II) ions, aqueous solution.

16. Gabriela CIOBANU, Maria HARJA and Lacramioara RUSU

Biomimetic hydroxyapatite-silver coatings on titanium surfaces

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Key words: titanium, hydroxyapatite, silver, coatings, biomimetic.

 

No 3 Mars 2017

Tome 62, No 3 Mars 2017

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  1. Hakan BEKTAS, Canan ALBAY, Emre MENTESE and Neslihan DEMİRBAS

New pyridine derivatives as antiurease inhibitors: synthesis and their evaluation for antimicrobial activities

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Key words: pyridine, 1,3-thiazole, morpholine, 1,3-thiazolidine, Schiff base, antimicrobial activity, antiurease activity.

2. Mervette El BATOUTI

Cadmium removal from wastewater by adsorption using natural bentonite

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Key words: thermodynamic parameters, cadmium. adsorption, wastewater, kinetic models.

3. Hamzeh KIYANI and Maryam BAMDAD

One-pot four-component synthesis of 1,4- dihydropyrano[2,3-C]pyrazole-5-carbonitriles catalyzed by potassium phthalaimide

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Key words: pyrano[2,3-c]pyrazole, potassium phthalimide, four-component reaction, green.

4. Abdoul NZEYIMANA, Semra UTKU, Leyla AÇIK and Ayten ÇELEBİ KESKİN

Synthesis, characterization and DNA interaction of novel platinum(II) complexes containing substituted benzimidazole ligands

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Key words: benzimidazole, platinum complexes, synthesis, gel electrophoresis, cisplatin.

5. Afayat Kh. MAMMADOVA, Vagif M. FARZALIYEV and Ali K. KAZIMZADEH

New formulation of alkylphenolate lubracant’s additives based on nitrogen, sulfur and carboxylate group

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Key words: lubricating oil, additives, nitrogen, sulfur, alkylphenolate, carboxylate and carbonate.

6. Dauren BAISEITOV, Marat TULEPOV, Larissa SASSYKOVA, Sholpan GABDRASHOVA, Kenes KUDAIBERGENOV and Zulkhair MANSUROV

Physicomechanical properties of petrosorbents of the phytogenesis

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Key words: oil, vegetable sorbents, sorption capacity, rice husk.

7. Farhad HATAMJAFARI and Omid HOSSEINNEZHAD LAZARJANI

One-pot synthesis of 1,8-dioxo-decahydroacridine derivatives by using nano-Fe O as a highly efficient and reusable heterogeneous catalyst under solvent-free conditions

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Key words: 1,8-dioxo-decahydroacridines, nano-Fe2O3, multicomponent reactions (MCRs), solvent-free, one-pot.

8. Xiuang YI, Yanzhu LIU, Chen ZHOU, Hongyan GAO, Xuezhen ZHOU and Yongxiu LI

Hydrothermal synthesis and crystal structure of (C6H5N2)(FeBr4)

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Key words: cyanopyridine, crystal structure, hydrothermal reaction, iron, supramolecule.

9. Leila LATRECHE, Nacereddine HADDAOUI and Maria Esperanza GAGIAO

Calcium carbonate, kaolin and silica filled polypropylene/ polystyrene blends: influence of free quenching

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Key words: free quenching, annealing, blend-composites.

10. Manuela MURARIU, Laura ION, Catalina-Ionica CIOBANU, Brindusa Alina PETRE and Gabi DROCHIOIU

MS, CD and FT-IR characterization of five newly synthesized histidine-containing Ala- and Gly- based peptides

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Key words: protein structure, peptide conformation, FT-IR, CD spectroscopy.

No 2 Février 2017

Tome 62, No 2 Février 2017

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  1. Loredana E. NITA, Aurica P. CHIRIAC, Alina DIACONU and Mihai ASANDULESA

Preparation of protein – polyelectrolyte complex by self – assembling

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Key words: protein – polyelectrolyte complex, bovine serum albumin, poly(aspartic acid).

2. Larissa SASSYKOVA, Shamil’ GIL’MUNDINOV, Arailym NALIBAYEVA and Inna BOGDANOVA

Catalytic systems on metal block carriers for neutralization of exhaust gases of motor transport

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Key words: catalyst, exhaust gases, motor transport, metal block carriers.

3. Jamal STAS, Omar CHINO, Yousef JAMMOAL and Zaher ALBARAKA

Selectivity of vanadium over iron during the extraction of vanadium by TOA from aqueous 100 H2SO4 leaching liquor

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Key words: vanadium, iron, extraction, trioctylamine, modifiers, selectivity.

4. Kun ZHOU, Ke WANG and Feng LIU

Density and Viscosity of tributyl phosphate+trioctylamine+phosphoric acid from (20~60)oC

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Key words: viscosity, density, regression equation, mixture.

5. Razvan ROTARU, Petrisor SAMOILA, Nicoleta LUPU, Marian GRIGORAS and Valeria HARABAGIU

Ferromagnetic materials obtained through ultrasonication. 1. Maghemite/ goethite nanocomposites

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Key words: maghemite-goethite composite, one pot synthesis, ultrasonication.

6. Can Serkan KESKİN

Arsenic and molybdenum ions removal by Fe3O4 embedded acrylamide-triazine hybrid-polymer

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Key words: acrylamide, Fe3O4, polymer, 1,3,5-triacryloylhexahydro-1,3,5- triazine, As(V) and Mo(VI) ions removal.

7. Mervette EL BATOUTI and Abdel-Moneim M. AHMED

Electrodeposition using rotating cylinder electrode of copper in presence of organic compounds

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Key words: electrodeposition, rotating cylinder electrode, copper, organic compounds.

8. Wafa BADULLA and Göksel ARLI

Comparative study for direct evaluation of montelukast sodium in tablet dosage from by multiple analytical methodologies

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Key words: montelukast sodium, osteryoung square wave voltammetry, flow injection analysis, ultraviolet spectrometry.

9. Mihai GUTU, Mihaela AVADANEI, Mihai MARINCA and Cipriana STEFANESCU

Exploratory infrared spectroscopy study of erythrocytes in cancer chemotherapy

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Key words: erythrocytes, infrared spectroscopy, cancer, chemotherapeutic treatment

10. Bouzid NEDJIMI

Some essential trace elements in Salsola vermiculata (Ammaranthaceae) using energy dispersive X-ray fluorescence (EDXRF)

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Key words: EDXRF, forage analysis, chemical elements, NRC requirements, Salsola vermiculata.

 

No 1 Janvier 2017

Tome 62, No 1 Janvier 2017

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  1. Abdulfatai Adabara SIAKA, Adamu UZAIRU, Sulaiman Ola IDRIS and Hamza ABBAH

Mechanism of (E)-2-(4-methoxybenzylidene) hydrazinecarboxamide cyclization: density functional theory approach

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Key words: semicarbazide, kinetic, semi-empirical and transition state.

2. Fatma U. AFIFI, Violet KASABRI, Sagrario BELTRAN, Areej ABUHAMMAD, Ismail F. ABAZA, Orlando GANADO and Ahmad H. Al-GABBIESH

Comparison of different methods in determination of essential oil composition of Origanum syriacum. from Jordan and its modulation of pancreatic enzymes

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Key words: Origanum syriacum L., SPME, SFE, hydro-distillation, pancreatic enzymes, colorectal cancer.

3. Zahed KARIMI-JABERI, Ladan BAZYAR and Mohammad AMIRI

Synthesis of α-aminophosphonates in the presence of R triethylammonium hydrogen sulfate [Et3NH][HSO4] as a highly efficient ionic liquid catalyst

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Key words: α-aminophosphonates, ionic liquid, aldehydes, trimethyl phosphite.

4. Run-Ning ZHAO

Geometries, stabilities and electronic properties of Ge2B2 cluster: a density functional study

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Key words: Ge2B2 clusters; π-π interactions; electronic properties; the density functional method.

5. Mbossé NDIAYE GUEYE, Moussa DIENG, Ibrahima Elhadji THIAM, Mouhamadou Moustapha SOW, Rokhaya GUEYE SYLLA, Aliou Hamady BARRY, Mohamed GAYE and Pascal RETAILLEAU

Synthesis, characterization and antioxidant activity of lanthanide (III) complexes with tridentate Schiff base ligand. X-ray crystal structure of the Ce(III) complex

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Key words: hydrazino, lanthanide, complex, antioxidant, X-ray.

6. Hamideh EMTIAZI and Mohammad A. AMROLLAHI

Mg(ClO4)2 catalyzed preparation of xanthenediones inder solvent-free conditions

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Key words: anthenediones, magnesium perchlorate, 5,5-dimethyl-1,3- cyclohexandione, solvent-free.

7. Julieta D. CHELARU, Călin I. ANGHEL, Maria GAVRILOAE and Liana M. MUREŞAN

Electrochemical and meta-modelling analysis of the inhibiting effect exerted by sulfuric acid diamide on bronze corrosion

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Key words: bronze corrosion, corrosion inhibitors, polarization curves, support vector machine, minnimax approach.

8. Wenxing HE and Xiaojun TAN

Theoretical study on yhe reaction mechanism between silacyclopropenylidene and methyleneimine

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Key words: silylene, silacyclopropenylidene, methyleneimine, reaction mechanism.

9. Sunnapu PRASAD and Krishnamoorthy SUSILA

An overview on Shiff bases and its medicinal chemistry potential for new antitubercular drug molecules research

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Key words: Schiff bases, tuberculosis, multi drug resistance, extreme drug resistance, anti-tubercular activity.

10. Oualid OUKIL, Noureddine TCHOUAR, Salah BELAIDI, Toufik SALAH and Mehmet CINAR

Structural investigation, drug likeness scoring and structure activity/property relationships applied on 1,2,3-thiadiazole derivatives, with kinase inhibitors activity

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Key words: 1,2,3-thiadiazole, kinas inhibitors, MPO, SAR/SPR

11. Andreea Irina BARZIC and Silvia IOAN

Multiphase polymer systems: micro- to nanostructural evolution in advanced technologies

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Nos 11-12 Novembre-Décembre 2016

Tome 61, Nos 11-12 Novembre-Décembre 2016

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1. Carmen ZORZONEL, Sorana IONESCU, Daniela BALA and Constantin MIHAILCIUC

Cyclic voltammetry and DTF studies of some triphenylhydrazine

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Key words: CV, DPV, hydrazine derivatives, DFT.

2. Florina BRANZOI, Viorel BRANZOI and Zoia PAHOM

Modified electrodes obtained by electrochemical codeposition of some conducting polymers on metallic substrate

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Key words: nanocomposite films, electropolymerization, SEM, EIS, capacitance.

3. Florina BRANZOI, Viorel BRANZOI and Angela STANCA

Corrosion inhibition of carbon steel by some anionic surfactants in 0.5M H2SO4

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Key words: organic inhibitor, anionic surfactant, carbon steel, potentiodynamic polarization, electrochemical impedance spectroscopy and FT-IR.

4. Simona POPA and Sorina BORAN

Heat transfer during boiling of some aqeous-alcohol systems

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Key words: heat transfer coefficient, boiling, heat flux.

5. Bilel CHOUCHENE, Karima HORCHANI-NAIFER and Tahar BEN CHAABANE

Effect of the solvent on the morphology and the size of ZnO nanoparticles synthesized in polyol medium

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Key words: defects, solvent, nanomaterials, zinc compounds, II-VI semiconductor.

6. Nassima BENFERRAH, Mohamed HAMMADI and Florian BERTHIOL

Application of microwave heating of dry organic reactions: new condensation products from triacetic acid lactone (TAL)

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Key words: microwaves irradiation, arylidene compounds, dry organic reaction, triacetic acid lactone, catalyst free.

7. Shereen ARABIYAT, Yusuf AL-HIARI, Yasser K. BUSTANJI, Hiba ZALLOUM and Violet KASABRI

In vitro modulation of pancreatic lipase and proliferation of obesity related-colorectal cancer cell line panel by novel synthetic triazoquinolones

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Key words: triazoloquinolones, fluoroquinolones, pancreatic triacylglycerol lipase, orlistat, colorectal cancer, cisplatin.

8. Constantin MUSCALU and Gheorghe MARIA

Pareto optimal operating solutions for a catalytic reactor for benzene oxidation based on safety indices and extended process kinetic model

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Key words: catalytic reactor, Pareto optimal solutions, safety limits, failure probability, uncertainty.

9. Gheorghe ROMAN

Synthesis and ring opening reactions of (3-aryloxiran-2-yl)(thiophen02-yl)methanones

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Key words: chalcone, chalcone epoxide, ring opening, hydroxypyrazoline, α-hydroxy acid.

10. Nicoleta DAMIAN, Silvia PATACHIA and Ioan SCARNECIU

Influence of the polypropylene [PPR] pipes characteristics on the drinking water quality

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Key words: polypropylene random, pipes, drinking water quality, microbiological analysis.

 11. Ana NEACSU, Daniela GHEORGHE, Iulia CONTINEANU and Mihail CONTINEANU

A thermochemical study of gamma irradiated serine stereoisomers

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Key words: gamma rays, DSC, TG, FTIR, serine isomers, decomposition.

12. Mihaela FILIP, Mihaela MURESEANU, Gabriela PAUN and Viorica PARVULESCU

Biocatalysts obtained by enzyme immobilization on functionalized mesoporous silica supports

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Key words: mesoporous silica; functionalization; enzyme immobilization; biocatalyst; oxidative degradation.

13. Oumelkheir MOKHTARI, Bouzid NEDJIMI and Mohamed TOUMI

Soil-plant transfer factors of chemical elements in Artemisia campestris L. (Asteraceae) using INAA technique

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Key words: medicinal plants, Artemisia campestris, neutron activation analysis, trace elements, translocation factor.

14. Index of authors

No 10 Octobre 2016

Tome 61, No 10 Octobre 2016

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1. Sabina BANCILA, Catalina-Ionica CIOBANU, Manuela MURARIU and Gabi DROCHIOIU

Ultrasound-assisted zein extraction and determination in some patented maize flours

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Key words: zein extraction, ultrasound, kinetics, FTIR, biuret micro-method.

2. Olcay BEKIRCAN, Nimet BALTAŞ, Emre MENTEŞE and Ergun GULTEKIN

Synthesis of new fluorine-containing 1,2,4-triazole-5-on derivatives with their anti-urease, anti-xanthine oxidase and antioxidant activities

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Key words: fluorine-containing 1,2,4-triazoles, 1,3,4-oxadiazoles, antioxidant, antiurease and anti-xanthine oxidase activities.

3. Fatiha BELALIA and Nacer-Eddine DJELALI

Investigation of swelling/adsorption behavior of calcium alginate beads

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4. Vishal SRIVASTAVA, Pravin K. SINGH, Surabhi SINHA and Praveen P. SINGH

[bmIm]OH catalysed four component one-pot synthesis of imidazo[4,5-c] pyrazole-2-thione-N- nucleosides

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Key words: one-pot, [bmIm]OH, microwave synthesis, four component reaction, ionic liquid, imidazopyrazole nucleosides.

5. Misagh TORKAMAN, Reza MORADI and Bahran KAYVANI

Photocatalytic degradation azo dye Direct Red 23 using carbon nanotubes particles by UV/H2O2 process in batch photoreactor

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Key words: carbon nanotubes, photodegradation, dye, reactor.

6. Igor WINKLER and Anna SAVIUC

Adsorption and electroadsorption of toluene on some graphite/clay materials

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Key words: adsorption, adsorption dynamics, electroadsorption, graphite/clay materials, toluene.

7. Gabriela MARINESCU, Daniela C. CULITA, Luminita PATRON, Nicolae STANICA, Sultana NITA, Adina Magdalena MUSUC, Coralia BLEOTU, Marcela POPA, Crina KAMERZAN and Mariana Carmen CHIFIRIUC

Synthesis, characterization and evaluation of the antimicrobial and cytotoxic activity of two novel complexes of Gd(III) with piroxicam and meloxicam

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Key words: oxicam, gadolinium complexes, antimicrobial, cytotoxicity, cellular cycle.

8. Mihaela AVADANEI

Photochemical reactions of 2,6-di(4’-azidobenzylidene)-methylcyclohexane in fluid media

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Key words: bisazide, UV-Vis spectroscopy, photoreactions, spectroscopic analysis, reaction mechanism.

9. Camelia HULUBEI, Cristina Doina VLAD, Dumitru POPOVICI, Iuliana STOICA, Andreea Irina BARZIC and Daniela RUSU

Polyimide micro- and nanoparticles via the reprecipitation method

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Key words: particle, polyimide, reprecipitation method, morphology.

10. Ghayth RIGANE, Moufida Oueslati ARFAOUI, Moemen CHIRA, Hanene GHAZGHAZI, Amira YAHYAOUI, Ridha Ben SALEM, Sabiha HAMDI, Malek HANNACHI, Hager JOUILI and Youssef AMMARI

Chemical compositions, antioxidant and antimicrobial activities of the essential oil of Trachyspermum ammi L. growing in Tunisia

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Key words: Trachyspermum ammi L., major constituents, thymol, antimicrobial, antioxidant.

Nos 8-9 August-September 2016

Tome 61, Nos 8-9 August-September 2016

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1. Professor Claude NICOLAU’s 80th anniversary

List of publications

2. Alexandru T. BALABAN

Professor Claude Nicolau, honorary member of the Roumanian Academy, at his 80th anniversary

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3. Roscoe O. BRADY

Claude Nicolau and the biotechnology industry

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4. Carl R. ALVING, Gary MATYAS, Zoltan BECK and Mangala RAO

Liposomal vaccine adjuvant formulations

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Key words: liposomes containing monophosphoryl lipid A, synthetic monophosphoryl lipid A congeners, vaccine adjuvant, Antibodies to HIV-1, Claude Nicolau.

5. Karin MOELLING

Tulipomania – the first financial crisis by viruses

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Key words: striped tulips/Tulip Breaking Virus/ MS Merian/Financial crisis/epigenetics.

6. Claudine KIEDA

The tumor suppressor PTEN in control of the tumor microenvironment, hypoxia-dependent angiogenesis and tumor immunosuppresion

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Key words: hypoxia alleviation, ITPP, PTEN, tumor treatment, vessel normalization.

7. Marcela MIHAI, Grigoris MOUNTRICHAS, Stergios PISPAS and Bogdan C. SIMIONESCU

Effects of PHOS-b-PMMA additive and pH on the formation of calcium carbonate composite microparticles

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Key words: CaCO3, double hydrophilic block-copolymer, pH, growth from solutions, composite microparticles.

8. Veronica BRĂTAN and Niculae I. IONESCU

Oscillations in the system carbon monoxide-TiO2

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Key words: oscillations, electrical conductivity, CO/TiO2 surface interaction.

9. Octavian Dumitru PAVEL, Rodica ZĂVOIANU and Emilian ANGELESCU

The effect of modifying cations on the catalytic activity of hydrotalcite-like compounds in 1,4-addition reactions

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Key words: hydrotalcite, base catalysts, 1,4-addition reaction.

10. Maria Celina ALEXANDRICA, Mihaela SILION, Daniel TIMPU and Marcel Ionel POPA

A study on the intercalation process of Tramadol hydrochloride in ZnAl-nitrate layered double hydroxides

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Key words: layered double hydroxides, Tramadol hydrochloride, ion exchange, hybrid composites.

 11. Vera BALAN, Mihai ASANDULESA, Elena BUTNARU, Aurica P. CHIRIAC, Nita TUDORACHI, Loredana E. NITA, Iordana NEAMTU and Alina DIACONU

Investigation on the properties of poly (2- hydroxyethyl methacrylate-co-3,9-divinyl-2,4,8,10- tetraoxaspiro (5.5) undecane) as a functional polymeric system

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Key words: copolymerization, 2-hydroxyethyl methacrylate, 3,9-divinyl- 2,4,8,10-tetraoxaspiro (5.5) undecane, dielectric spectroscopy, rheological studies.

12. Mioara DROBOTA and Magdalena Aflori

Insights of interaction between collagen-silver colloidal solutions with PET functionalized surface

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Key words: PET surface, collagen-silver nanoparticles, FTIR spectroscopy.

13. Claudia COBZARU, Genoveva BORDEIANU, Gabriela Antoaneta APOSTOLESCU, Adriana MARINOIU and
Corina CERNATESCU

Quality evaluation of the olive oil during storage time

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Key words: olive oil, quality, storage time.

14. Iulia PĂUŞESCU, Mihai MEDELEANU, Raluca-Oana POP, Zeno SIMON and Otilia COSTIŞOR

A DFT study on 2-(hydroxy-2-benzylidene)- cyclohexanone

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Key words: DFT, benzylidene-cyclohexanone, vibrational spectra, electronic spectra, NBO analysis.

 

Nos 6-7 Juin-Julliet 2016

Tome 61, Nos 6-7 Juin-Julliet 2016

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1. Professor Dumitru OANCEA at his 75th anniversary List of publications

2. Susana MIHAIU, Oana Cătălina MOCIOIU, Alexandra TOADER, Irina ATKINSON, Jeanina PANDELE CUŞU,
Cornel MUNTEANU and Maria ZAHARESCU

Structural and morphological investigations of ZnO nanostructures obtained by hydrothermal methods at different reaction times

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Key words: zinc oxide, hydrothermal synthesis, nanorods, nanotubes.

3. Roxana A. POPA, Alexandra POP, Cristian SILVESTRU and Anca SILVESTRU

New hypervalent organoselenium compounds with O→Se intramolecular interactions

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Key words: hypercoordinated organoselenium(II) compounds, dithiophosphorus ligands, NMR spectroscopy, crystal and molecular structure.

4. Anca VASILE, Cristian HORNOIU, Cornel MUNTEANU, Niculae I. IONESCU, Tatiana YUZHAKOVA and Ákos RÉDEY

In situ impedance spectroscopy measurements for CeO -SnO mixed oxides catalysts

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Key words: tin-cerium mixed oxide catalysts, impedance spectroscopy, grain boundary conductivity.

5. Maria-Gabriela ALEXANDRU, Diana VISINESCU, Carmen PARASCHIV, Catalin MAXIM and Marius ANDRUH

Crystal structure and thermal analysis of an oxalato-based Co(III) complex

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Key words: Co(III) heteroleptic complex, oxalato, hydrogen bonds.

6. Venera GIURCAN, Maria MITU, Codina MOVILEANU and Domnina RAZUS

Temperature, pressure and dilution effect on laminar burning velocity of propane-air

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Key words: propane, deflagration, burning velocity, reaction order, overall activation energy.

7. Mariana TEODORESCU and Vlad Tudor POPA

Solution and excess molar enthalpies for 1-butyl-3- methylimidazolium chloride + water system at (303.15 and 318.15)K

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Key words: 1-butyl-3-methylimidazolium chloride, water, solution, excess, enthalpy.

8. Elena BACALUM, Maria TANASE, Mihaela CHEREGI, Hassan Y. ABOUL-ENEIN and Victor DAVID

Retention mechanism in zwitterionic hydrophilic interaction liquid chromatography (ZIC-HILIC) studied for highly polar compounds under different elution conditions

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Key words: ZIC-HILIC. sulfobetaine. polar compounds. retention mechanism.

9. Silvia BURCĂ, Andrada MĂICĂNEANU and Cerasella INDOLEAN

A green approach: malachite green adsorption onto waste green tea biomass. Isotherm and kinetic studies

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Key words: malachite green, waste green tea, adsorption, equilibrium, kinetics.

10. Mara CRIȘAN and Gheorghe MARIA

Modular simulation to check performances of various reactors for the enzymatic D-glucose oxidation

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Key words: D-glucose oxidation, enzymatic reactor selection, optimization.

 11. Marilena PETRESCU, Raul-Augustin MITRAN, Cristian MATEIa and Daniela BERGER

Mesoporous silica-ceria composites as carriers for drug delivery systems

Key words: drug delivery systems; mesoporous silica-ceria composite; MCM-41; oxytetracycline.

12. Nita TUDORACHI, Waldemar KNAUER, Aurica P. CHIRIAC, Loredana E. NITA, Iordana NEAMTU and Manuela T. NISTOR

Upon thermal characterization of a magnetic composite in relation with poly(succinimide)-b- poly(ethylene glycol) shell properties

Key words: PSI-b-PEG copolymers, PSI-b-PEG/magnetite composites, thermal stability, thermokinetic parameters.

13. Iuliana STOICA , Andreea Irina BARZIC and Camelia HULUBEI

Polyimide embedding in lyotropic polymer matrix for surface-related applications: rheological and microscopy investigations

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Key words: polyimide, liquid crystal, shear, rheology, morphology.

14. Emil Ghiocel IOANID, Cătălin TĂNASE, Dorina RUSU, Ana Maria VLAD, Georgeta CAZACU, Tiberius BALAEŞ and Simona DUNCA

Decontamination effects of ratio frequency low-temperature plasma on paper-based materials

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Key words: paper decontamination, RF plasma, biological analysis, cultural heritage.

15. Corina CERNATESCU, Claudia COBZARU, Gabriela Antoneta APOSTOLESCU, Nicolae APOSTOLESCU and Adriana MARINOIU

Quaternization of N-methylated phenyl benzimidazole azomethines to benzimidazolium salts

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Key words: benzimidazole derivative, quaternization, azahemicyanines, benzimidazolium salt.

16. Mihai MEDELEANU, Mihai-Cosmin PASCARIU, Eugen ȘIȘU, Tudor OLARIU, Doina GEORGESCU, Maria MRACEC and Mircea MRACEC

Entropic effect and thermodynamic properties for the conformers of (3R,5S,6R)-6-acetylami- and PM7 semiempirical MO methods

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Download Art 16 (PDF) – sup

Key words: (3R,5S,6R)-6-acetylamidopenicillanic acid, entropic effect, thermodynamic property, semiempirical MO methods: PM3, PM6, PM7.

No 4-5 Avril-Mai 2016

Tome 61, No 4-5 Avril-Mai 2016

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1. Balazs HARGITTAI and Istvan HARGITTAI

Alexandru T. Balaban’s symmetry: an appreciation

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2. Claude NICOLAU

Alexandru T. Balaban – my Friend of 62 years

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3. Tibor BRAUN, András SCHUBERT and Gábor SCHUBERT

On the molecular structure of the co-author network of Alexandru T. Balaban

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4. Roald HOFFMANN

A lost letter

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5. Professor Alexandru T. Balaban’s 85th anniversary – List of publications

6. Amr A. A. ATTIA, Alexandru LUPAN and R. Bruce KING

Contrasting behavior of the group 15 elements (P, As, Sb, Bi) as heteroatoms in icosahedral cobaltaboranes: effect of phosphorus atom basicity

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Download Art 6 (PDF) – sup

Key words: metallaboranes, cobalt, group 15 heteroatoms, density functional theory, DFT.

7. Elena MAFTEI, Catalin V. MAFTEI, M. Heiko FRANZ, Gerhard KELTER, Heinz-Herbert FIEBIG, Matthias TAMM and Ion NEDA

New members of the Cinchona alkaloid family: synthesis, characterisation and antitumor evaluation of novel gold(I) complexes

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Key words: Cinchona alkaloids, Quinuclidines, gold(I) complex, anti-tumor activity.

8. Slavko RADENKOVIĆ, Ivan GUTMAN, Sanja RUŽIĆ and Snežana ZDRAVKOVIĆ

Strain in strain-free benzenoid hydrocarbons: the case of chrysene and triphenylene

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Key words: energy, benzenoid hydrocarbon, chrysene, triphenylene.

9. Yenni ORTIZ, Debojit BHATACHARYA, Douglas J. KLEIN and Joel F. LIEBMAN

Super-molecules

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Key words: super-molecule, super-structure, nano-structures, nano-technology

10. Luminita SILAGHI-DUMITRESCU, Eugenia HARSAN, Julio ZUKERMAN-SCHPECTOR, Edward R.T. TIEKINK and Ionel HAIDUC

An inorganic helix in the supramolecular structure of trimethyltin diphenylarsinate, [Me3Sn(O2AsPh2)]n: A structural comparison of triorganotin arsinates and phosphinates

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Key words: trimethyltin, organotin, arsinates, phosphinates, supramolecular, inorganic helix.

11. Emilian GEORGESCU, Alina NICOLESCU, Florentina GEORGESCU, Sergiu SHOVA, Bogdan C. Simionescu and Calin DELEANU

Contributions to syntheses of pyrrolo [1,2-a]benzimidazole derivatives via 1,3-dipolar cycloaddition reactions

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Key words: pyrrolo[1,2-a]benzimidazole, ylides, cycloadditions, nitrogen
heterocycles, NMR, X-Ray.

12. Andrei BEJAN, Luminita MARIN, Bogdan CHIRICUTA, Daniela AILINCAI and Bogdan C. SIMIONESCU

A new phenothiazine blue light emitter. Synthesis, structure and photophysical properties

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Key words:  phenothiazine; blue light emitter; oxidation; carboxylic acid.

13. Maria PRODAN, Maria MITU, Domnina RAZUS and Dumitru OANCEA

Spark ignition and propagation properties of methane-air mixtures from early stages of pressure history

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Key words: spark ignition; propagation; methane; normal burning velocity; ignition delay

14. Gianina DOBRESCU and Niculae I. IONESCU

The fractal dimension of oscillations in methanoloxygen system

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Key words: fractal analysis, chemical oscillations.

15. Carmen PARASCHIV, Andrei CUCOS, Sergiu SHOVA and Marius ANDRUH

Two Zn(II) distortion isomers in a single crystal. Synthesis, supramolecular interactions and thermal analysis

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Key words: zinc(II), distortion isomers, isophthalate ligand, tris(hydroxymethyl)aminomethane, hydrogen bonds.

16. Cristina FLOREA, Cristina STAVARACHE and Horia PETRIDE

1-Cyanoformamidines. Formation during the RuO4- mediated oxidation of secondary amines

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Key words: secondary amines, oxidation, ruthenium tetraoxide, formamidines.

17. Mircea V. DIUDEA and Michel PETITJEAN

Chiral multitori as snub derivatives

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Key words: multitorus, chirality, ring signature, topological symmetry, atom equivalence class.

18. Petre T. FRANGOPOL, Aurora MOCANU, Valer ALMASAN, Corina GARBO, Reka BALINT, George BORODI, Ioan BRATU, Ossi HOROVITZ and Maria TOMOAIA-COTISEL

Synthesis and structural characterization of strontium substituted hydroxyapatites

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Key words: strontium substituted hydroxyapatite, XRD, FTIR, Raman spectra, TEM, AFM

19. Aurica P. CHIRIAC, Loredana E. NITA, Liliana TARTAU, Iordana NEAMTU, Nita TUDORACHI and Alina DIACONU

Using an alternating magnetic field for covering a metallic stent with a new magnetic composite

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Key words: magnetic composite deposited on stent, poly(maleic anhydride-co-3, 9-divinyl-2, 4, 8, 10-tetraoxaspiro [5.5] undecane); magnetite encapsulated.

20. Tinca BURUIANA, Marioara NECHIFOR, Violeta MELINTE, Cristina PREJMEREAN and Emil C. BURUIANA

Preparation of poly(acrylic acid-co-itaconic acidco-N-acryloyl-L-alanine) grafted with methacrylate groups for use in dentistry

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Key words: alanine/leucine acrylates, photopolymerizable polyalkenoates, dental material properties, morphology.

21. Marioara NECHIFOR, Viorica E. PODAŞCĂ and Emil C. BURUIANĂ

Synthesis and fluorescence properties of some tryptophan-containing polyacrylates

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Key words: tryptophan, fluorescence quenching, polyacrylates, copolymerization.

22. Mădălina ZĂNOAGĂ and Fulga TANASĂ

Critical assessment of the thermal and thermooxidative behaviour of some polypropylene-clay composites

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Key words: polymer-clay nanocomposites, thermal stability, thermal and thermo-oxidative degradation, exfoliation/intercalation.

23. Oana URSACHE, Constantin GĂINĂ, Viorica GĂINĂ and Cristian Dragos VARGANICI

Thermal properties of thermoresponsive networks based on polyurethanes

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Key words: thermoreversible, bismaleimides, thermal properties.

24. Ana-Maria-Corina DUMITRIU, Alexandra BARGAN, Mihaela BALAN, Cristian-Dragos VARGANICI, Sergiu SHOVA and Maria CAZACU

Synthesis and characterization of octakis(3-chloroammoniumpropyl) octasilsesquioxane

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Key words: cubic polyhedral silsesquioxanes; nanosized structures; synthesis; structural characterization; functionalized silica cage.

25. Loredana VACAREANU and Mircea GRIGORAS

Spectroelectrochemical properties of linear and star-shaped triphenylamine oligovinylenes

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Key words: oligoarylenevinylenes, linear and star-shaped oligomers, triphenylamine group, electrochemical polymerization, electrochromic properties.

26. Magdalena AFLORI

Embedding silver nanoparticles at PHB surfaces by means of combined plasma and chemical treatments

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Key words: polyhydroxybutyrate, helium plasma, silver nitrate, antimicrobial.

27. Luiza Madalina GRADINARU, Constantin CIOBANU, Stelian VLAD and Maria BERCEA

Rheological investigation of thermoreversible polyurethane hydrogels

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Key words: polyurethane, thermoreversible hydrogel, viscoelastic properties, elastic recovery.

28. Ion SAVA, Gabriela LISA, Elena SAVA and Nicolae HURDUC

Synthesis and characterization of some azocopolyimides

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Key words: two side azobenzene units, azo-copolyimides, photochromic behavior.

29 Claudia COBZARU, Adriana MARINOIU, Gabriela Antoaneta APOSTOLESCU, Ramona Elena TATARU-FARMUS, Nicolae APOSTOLESCU and Corina CERNATESCU

Behaviour of pretreated clinoptilolite volcanic tuff used in ion exchange process with Ca2+, Ni2+ and NH4 + ions described by a numerical study

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Key words: clinoptilolite, ion exchange process, pre-treatment procedure.

30. Adriana MARINOIU, Claudia COBZARU, Elena CARCADEA, Mircea RACEANU, Irina ATKINSON, Mihai VARLAM and Ioan STEFANESCU

An experimental approach for finding low cost alternative support material in PEM fuel cells

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Key words: fuel cells, graphene nanocomposites, chemical oxidation.

31. Gheorghiţă ZBANCIOC, Costel MOLDOVEANU, Ana Maria ZBANCIOC, Ionel HUMELNICU and Ionel I. MANGALAGIU

New insights concerning microwave mechanism in cycloaddition reactions: thermal heating versus specific effects of microwave

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Key words: microwave mechanism, thermal versus specifically microwave effects, Huisgen [3+2] dipolar cycloadditions, nitrogen liquid cooling, pyridazinium ylides.

32. Mihai MEDELEANU, Tudor OLARIU, Doina GEORGESCU, Eugen ȘIȘU, Maria MRACEC and Mircea MRACEC

Conformational analysis and formation enthalpy of (3R,5S,6R)-6-acetylamidopenicillanic acid calculated by the PM3, PM6 and PM7 semiempirical MO methods

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Download Art 32 (PDF) – sup

Key words: (3R,5S,6R)-6-acetylamidopenicillanic acid, conformational analysis, formation enthalpy, semiempirical MO methods: PM3, PM6, PM7.

No 3 Mars 2016

Tome 61, No 3 Mars 2016

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1. Hassan Abazied SHINDY, Ali Kamel KHALAFALLAH, Maha Mubark GOMA and Afifi Hussein EED

Polyheterocyclic compound in the synthesis and spectral studies of some novel methine cyanine dyes

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Key words: cyanine dyes, spectral studies, synthesis, monomethine cyanine dyes, trimethine cyanine dyes, mixed methine cyanine dyes.

2. Lawrence L. GRIFFIN and Alexandru T. BALABAN

A DFT and MP2 study of trends in para-substituted aryldiazenium-diolate (cupferron) derivatives

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Key words: density functional theory, Møller-Plesset-2, aryldiazeniumdiolates, cupferron, N-Aryl-N-nitroso-nitroxides, nitric oxide.

3. Narges ABDOLLAHI, Ali Reza KIASAT and Seyyed Jafar SAGHANEZHAD

Synthesis and characterization of Fe3O4@melamine sulfonic acid nanocomposite as a novel magnetically recyclable nano catalyst in one-pot preparation of 3, 4-dihydropyrimidinones/thiones

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Key words: nano catalyst, magnetically recyclable, nanocomposite, biginelli reaction, dihydropyrimidin-2(1H)-ones.

4. Zsigmond PAPP

Morphological and microchemical characterization of Himalayan salt samples

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Key words: Himalayan salt, scanning electron microscopy, energy dispersive spectrometry, surface analysis, microchemistry

5. Leila DADDI OUBEKKA, Nacer-Eddine DJELALI, Vincent CHALEIX and Vincent GLOAGUEN

Adsorption of lead (II) and cadmium (II) on raw and modified date pits by TEMPO/NaBr/NaOCl as adsorbent

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Key words: date pits, heavy metals, adsorption, isotherms, chemical modification.

6. Nesrin KARAALI and Emre MENTEŞE

Synthesis and study of antitumor activity of some new 2-(4-methoxybenzyl)-1H-benzimidazole derivatives bearing triazole, oxadiazole and ethanol moiety

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Key words: benzimidazole, carbothioamide, 1,2,4-triazole, 1,3,4-oxadiazole,
antitumor activity.

7. Mohammad Ali BODAGHIFARD, Akbar MOBINIKHALEDI and Khosro MORADI

Microwave-assisted efficient and mild synthesis  of Azlactone derivatives

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Key words:  green synthesis, Azlactone, calcium hydrogen phosphate, catalysis.

8. Bogdan Nicolae MANOLESCU, Eliza OPREA, Maia BODOLICA and Cristian SIMION

Is wine industrialization lowering natural qualities of white wines?

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Key words: antioxidant capacity, Folin-Ciocâlteu, TEAC, traditionally-manufactured
white wine, total phenol content.

9. M. Emin GÜVEN, M. Salih AĞIRTAŞ, Sadin ÖZDEMIR and Abdurrahman DÜNDAR

Synthesis, characterization, aggregation behavior, antioxidant activity, and antibacterial activity of metallophthalocyanines carrying four phthalonitriles group

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Key words: antioxidant activity, antibacterial activity, phthalocyanines, phthalonitriles.