No 3 / 2021

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In memoriam Prof. Dumitru OANCEA

Rev. Roum. Chim., 2021, 66(3), 217-218

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1. Jeanina PANDELE-CUSU, Irina ATKINSON, Adriana RUSU, Nicoleta APOSTOL, Valentin TEODORESCU, Luminita PREDOANA, Imre M. SZILÁGYI, György POKOL and Maria ZAHARESCU

Thermal behavior of Cu-doped TiO2 gels synthesized by the sol-gel method

DOI: 10.33224/rrch.2021.66.3.01

Rev. Roum. Chim., 2021, 66(3), 219-229

Key words: thermal behavior, Cu-doped TiO2, sol-gel method, structural and morphological investigations.

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2. Cătălin ŞALGĂU, Cristian SILVESTRU and Anca SILVESTRU

Structural aspects in diorganotin(IV) complexes. Ph2Sn(S2CNMe2)(NCS) case study

DOI: 10.33224/rrch.2021.66.3.02

Rev. Roum. Chim., 2021, 66(3), 231-237

Key words: diorganotin(IV) complexes, dithiocarbamato ligand, isothiocyanato ligand, structural investigation.

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3. Niculae I. IONESCU and Veronica BRĂTAN

Gas sorption phenomena on solid surfaces

DOI: 10.33224/rrch.2021.66.3.03

Rev. Roum. Chim., 2021, 66(3), 239-242

Key words: adsorption solid-gas, logarithmic rate law.

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4. Maria-Gabriela ALEXANDRU, Diana VISINESCU, Nadia MARINO, Giovanni De MUNNO, Francesc LLORET, Miguel JULVE and Marius ANDRUH

Heterometallic supramolecular architectures constructed from cyanido-based [CoIII(AA)(CN)4]- building-blocks (AA = 1,10-phenantroline and 2,2’-bipyridine)

DOI: 10.33224/rrch.2021.66.3.04

Rev. Roum. Chim., 2021, 66(3), 243-254

Key words: heteroleptic cyanido complexes, supramolecular networks, magnetic properties.

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

Laminar flame propagation in nitrogen-diluted stoichiometric H2-N2O mixtures – a numerical study

DOI: 10.33224/rrch.2021.66.3.05

Rev. Roum. Chim., 2021, 66(3), 255-265

Key words: laminar burning velocity, flame, hydrogen, nitrous oxide, rate of heat release.

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6. Delia MĂRTINAŞ, Mihaela PUIU, Petruţa OANCEA and Adina RĂDUCAN

Assessing operational inactivation of horseradish peroxidase during Brilliant Blue G decolorization

DOI: 10.33224/rrch.2021.66.3.06

Rev. Roum. Chim., 2021, 66(3), 267-272

Key words: dye degradation, peroxidase inactivation, enzymatic degradation of dyes.

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7. Viorica MELTZER, Petruţa OANCEA, Ioana STĂNCULESCU and Elena PINCU

Physico-chemical characterization of solid state reaction between terephtalaldehyde and p-aminophenol

DOI: 10.33224/rrch.2021.66.3.07

Rev. Roum. Chim., 2021, 66(3), 273-280

Key words: DSC, solid state reaction, combustion calorimetry, heat of reaction.

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8. Daniela NEGOESCU, Petruţa OANCEA, Adina RĂDUCAN and Mihaela PUIU

Degradation of Brilliant Blue FCF through photolysis, irradtion and photo-fenton processes: a comparative study

DOI: 10.33224/rrch.2021.66.2.08

Rev. Roum. Chim., 2021, 65(2), 281-286

Key words: Brilliant Blue FCF, photodegradation, fenton.

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9. Daniela NEGOESCU, Daniela Cristina CULITA, Irina ATKINSON, Veronica BRATAN, Simona PETRESCU and Viorica PARVULESCU

Ti-SBA-15 mesoporous photocatalysts modified with lanthanides for degradation of dyes in aqueous solution

DOI: 10.33224/rrch.2021.66.3.09

Rev. Roum. Chim., 2021, 66(3), 287-293

Key words: EuTi-SBA-15, PrTi-SBA-15, synthesis method, Brlliant blue FCF, photodegradation.

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10. Iulia MATEI, Marioara BEM, Anca Ruxandra LEONTIEŞ, Cristina RĂDUŢIU, Elena Irina POPESCU, Sorin MOCANU, Florenţa SAVONEA, Rodica BĂRĂŢOIU and Gabriela IONIŢĂ

Process mediated by gold nanoparticles encapsulated in polymeric gels evidenced by EPR spectroscopy

DOI: 10.33224/rrch.2021.66.3.09

Rev. Roum. Chim., 2021, 66(3), 295-301

Key words: gold nanoparticles, hydrogel, nitrophenol, TEMPO, EPR spectroscopy.

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11. Mihaela IONIŢĂ, Sergiu SIMA, Martin CISMONDI and Catinca SECUIANU

Phase equilibria for the carbon dioxide + cyclopentane + cyclohexane system at high pressures

DOI: 10.33224/rrch.2021.66.3.10

Rev. Roum. Chim., 2021, 66(3), 303-308

Key words: carbon dioxide, cyclopentane, cyclohexane, high-pressures, RK–PR EoS.

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No 2 / 2021

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Academician Alexandru T. BALABAN at his 90th anniversary

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1. Anca HIRTOPEANU, Cristina FLOREA and Michaela Dina STANESCU

Stereochemistry – key role in the rearrangements of dibenzo-C8 and -C9 derivatives

DOI: 10.33224/rrch.2021.66.2.01

Rev. Roum. Chim., 2021, 66(2), 105-117

Key words: dibenzoC8 compounds, dibenzoC9 compounds, solvolyses, pyrolyses, phenonium route, π route.

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2. Ivan GUTMAN

On degree- and -distance-based topological indices

DOI: 10.33224/rrch.2021.66.2.02

Rev. Roum. Chim., 2021, 66(2), 119-123 degree distance Gutman index

Key words: Topological index, molecular graph, degree distance, Wiener index, Gutman index

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3. Nicholas BODOR and Erik BODOR

The first 40 years of soft anticholinergic agents

DOI: 10.33224/rrch.2021.66.2.03

Rev. Roum. Chim., 2021, 66(2), 125-133

Key words: retrometabolic design, soft drugs, acetylcholine, anticholinergics, corticosteroids.

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4. Mircea D. GHEORGHIU, Carlos A. VALDEZ and Ana RACOVEANU

1H NMR and conformational analysis of diastereotopic methylene protons in achiral flexible molecules

DOI: 10.33224/rrch.2021.66.2.04

Rev. Roum. Chim., 2021, 66(2), 135-148

Key words: achiral flexible molecules, conformational analysis, NMR, diastereotopic protons.

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5. Ion NEDA, Ionel BALCU and Corina MACARIE

Ethoxy-tethered calix[4]arenes containing P(III) substituents and trimethylsiloxy groups as building blocks in supramolecular chemistry; cis/trans intra- and intermolecular complexation of dichloroplatinum(II) fragments

DOI: 10.33224/rrch.2021.66.2.05

Rev. Roum. Chim., 2021, 66(2), 149-160

Key words: calyx[4]arenes, supramolecular chemistry, phosphorus(III)-dichloroplatinum(II) complexes.

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6. Adina Magdalena MUSUC and Dumitru OANCEA

The structure-activity relationships from DSC data

DOI: 10.33224/rrch.2021.66.2.06

Rev. Roum. Chim., 2021, 66(2), 161-166

Key words: differential scanning calorimetry, structure-property relationship, enthalpy of melting, entropy of melting, decomposition temperature.

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7. Levente KISS, Sergiu SHOVA, Mihaela VLASSA, Anca SILVESTRU, Ciprian I. RAŢ and Cristian SILVESTRU

{2,6-Bis[(dimethylamino)methyl]phenyl}mercury(II) acetate,[2,6-(Me2NCH2)C6H3]Hg(OAc) – a usefulintermediate for selective palladation of1,3-(Me2NCH2)2C6H4

DOI: 10.33224/rrch.2021.66.2.07

Rev. Roum. Chim., 2021, 66(2), 167-177

Key words: direct mercuration, N,C,N-pincer ligand, organomercury(II), organopalladium(II), solution NMR spectroscopy, single-crystal X-ray diffraction.

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8. Emerich BARTHA, Carmen-Irena MITAN, Constantin DRAGHICI, Miron T. CAPROIU, Petru FILIP, Laszlo TARKO and Robert MORIARTY

Program for prediction dihedral angle from vicinal coupling constant with3-sphere approach

DOI: 10.33224/rrch.2021.66.2.08

Rev. Roum. Chim., 2021, 66(2), 178-183

Key words: 3-sphere, dihedral angle, vicinal constant coupling, hypersphere trigonometric equation.

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9. Robert ŢINCU, Cristina TODAŞCĂ, Victoria ARTEM and Adrian-Ionuţ NICOARĂ

Dye removal from wastewaters using grape seed residues

DOI: 10.33224/rrch.2021.66.2.09

Rev. Roum. Chim., 2021, 65(2), 185-192

Key words: grapeseed, natural adsorbent, dye removal.

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10. Ion SAVA, Iuliana STOICA, Ilarion MIHAILA and Ionut TOPALA

Investigation of surface relief gratings on azo-copolyimide films using atomic force microscopy

DOI: 10.33224/rrch.2021.66.2.10

Rev. Roum. Chim., 2021, 66(2), 193-198

Key words: atomic force microscopy, structuring, surface relief gratings, azo-copolyimide films.

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12. Iuliana STOICA and Elena Gabriela HITRUC

Effect of scanning speed on AFM height images and 3D surface texture parameters explored on smooth and rough polymer surfaces

DOI: 10.33224/rrch.2021.66.2.11

Rev. Roum. Chim., 2021, 66(2), 199-204

Key words: polymer surface, morphology, atomic force microscopy, scanning speed, texture parameters.

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12. Petre IONITA

Synthesis and characterization of a new hydrazyl free radical, a formyl-derivative of DPPH

DOI: 10.33224/rrch.2021.66.2.12

Rev. Roum. Chim., 2021, 66(2), 205-209

Key words: hydrazyl, free radical, organic synthesis.

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No 1 / 2021

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1. Iulia MATEI, Elena Irina POPESCU, Sorin MOCANU, Elena Nuşa HRISTEA, Florenţa SAVONEA, Rodica BĂRĂŢOIU and Gabriela IONIŢĂ

Non-covalent interactions evidenced by EPR spectroscopy in cyclodextrin complexes

DOI: 10.33224/rrch.2021.66.1.01

Rev. Roum. Chim., 2021, 66(1), 9-23

Key words: EPR spectroscopy, spin probe, spin labelling, cyclodextrin, gel.

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2. Maria PRODAN, Emilian GHICIOI, Adrian JURCA and Dumitru OANCEA

Ignition and propagation properties of coal dust – air – methane hybrid mixtures

DOI: 10.33224/rrch.2021.66.1.02

Rev. Roum. Chim., 2021, 66(1), 25-32

Key words: ignition; propagation; hybrid mixture; coal dust; normal burning velocity.

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3. Eleonora DENES, Mihaela VLASSA, Cristian SILVESTRU and Anca SILVESTRU

New hypercoordinated triaryltelluronium derivatives of oraganophosphorus ligands. Synthesis and structural characterization

DOI: 10.33224/rrch.2021.66.1.03

Rev. Roum. Chim., 2021, 66(1), 33-40

Key words: triorganotelluronium cations, hypercoordination, organophosphorus ligands, structural investigation.

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4. Paul A. TARABUTA, Catalin MAXIM and Marius ANDRUH

Reactions of heteroleptic [Cu(acac)(AA)(H2O)]+ complexes with carboxylate anions (acac- = acetylacetonate, AA = 2,2’-bipyridine, 1,10-phenanthroline)

DOI: 10.33224/rrch.2021.66.1.04

Rev. Roum. Chim., 2021, 66(1), 41-47

Key words: copper complexes; mixed-ligand complexes; carboxylato ligands; coordination polymers.

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5. Aurica PRECUPAS and Sorana IONESCU

Exploring the interaction of 5,6- benzocoumarin-3-carboxylic acid with bovine serum albumin at the molecular level: A biophysical investigation using molecular dynamics

DOI: 10.33224/rrch.2021.66.1.05

Rev. Roum. Chim., 2021, 66(1), 49-58

Key words: molecular dynamics, 5,6- benzocoumarin-3-carboxylic acid, bovine serum albumin, hydrogen bonds.

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6. Cristina TABLET and Sorana IONESCU

Exciplex formation in the phenoxathiin-thioxanthone system

DOI: 10.33224/rrch.2021.66.1.06

Rev. Roum. Chim., 2021, 66(1), 59-63

Key words: exciplex, phenoxathiin, thioxanthone, electron donor-acceptor systems, excited state electron transfer.

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7. Elena BACALUM, Toma GALAON, Victor DAVID and Serban C. MOLDOVEANU

Peak compression induced by large volume injection of hydrophobic alcohols in reversed-phase liquid chromatography

DOI: 10.33224/rrch.2021.66.1.07

Rev. Roum. Chim., 2021, 66(1), 65-74

Key words: peak compression, liquid chromatography, reversed-phase mechanism, hydrophobic alcohols, large volume injection.

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8. Ana Maria TOADER and Mirela ENACHE

Quinizarin interaction with bile salts micelles as biomimetic model membranes

DOI: 10.33224/rrch.2021.66.1.08

Rev. Roum. Chim., 2021, 65(1), 75-80

Key words: quinizarin, bile salts, binding constant, partition coefficient.

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9. Mioara DROBOTĂ, Mihaela BARBĂLATĂ-MÂNDRU, Luiza Mădălina GRĂDINARU and Ionel ALEXA

Effect of UV irradiation on surface of collagen film

DOI: 10.33224/rrch.2021.66.1.09

Rev. Roum. Chim., 2021, 66(1), 81-85

Key words: collagen, surface, UV-irradiation.

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10. Mihaela BARBALATA-MANDRU, Maria BERCEA, Luiza Madalina GRADINARU, Magdalena AFLORI and Radu ALBULESCU

Preparation and surface characterization of polyurethane hydrogels

DOI: 10.33224/rrch.2021.66.1.10

Rev. Roum. Chim., 2021, 66(1), 87-93

Key words: surface, hydrogel, polyurethane.

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