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.