No 12 / 2019

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1. Farhang HAMEDI and Haman TAVAKKOLI

Preparation, characterization and magnetic properties of Gd0.8Sr0.2FeO3 via sol-gel processing

Key words: perovskite, sol-gel processing, nanoparticles, TEM analysis, vibrating sample magnetometer (VSM).

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2. Muhammad TARIQ, Ahmad Kaleem QURESHI, Muhammad IMRAN, Muhammad Babar TAJ, Muhammad SIRAJUDDIN, Saqib ALI and Naseem ABBAS

Biodiesel – a transesterified product of non-edible castor oil

Key words: castor oil, transesterification, tin complexes, bio-diesel.

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3. Maria TANASE and Victor DAVID

Influence of the injected sample composition on the retention parameters of polar compounds under Zic-Hilic mechanism in liquid chromatography

Key words: Zic-Hilic mechanism, injection volume, sample composition, retention mechanism, liquid chromatography.

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4. Yaxuan MI, Shuang WANG, Minghe WANG, Zebao ZHENG, Xiaolong ZHAO

DNA interaction, photocleavage and theoretical calculations of a ruthenium(II) complex with hydroxyquinoline derivative

Key words: ruthenium, DNA binding, fluorescence, viscosity, photocleavage.

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Phytochemical analysis, antioxidant and antimicrobial activities of Eucalyptus essential oil: a comparative study between Eucalyptus marginata L. and Eucalyptus paucilora L.

Key words: antifungal, antibacterial, antioxidant, Eucalyptus marginata, Eucalyptus pauciflora, essential oil.

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6. Ertugrul KESKIN, Yavuz YARDIM, Abdulkadir LEVENT and Zühre ŞENTÜRK

Electrochemical determination of norepinephrine by adsorptive stripping voltammetry using a bare boron-doped diamond electrode

Key words: norepinephrine, square-wave adsorptive stripping voltammetry, boron-doped diamond (BDD) electrode, pharmaceutical drug.

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7. Samia BOUFASSA, Abdelhak HELLATI and Rachida DOUFNOUNE

Correlations between the mechanical and thermal properties of polypropylene/high density polyethylene/CaCO3 composites with the presence of coupling agents

Key words: polypropylene, high density polyethylene, calcium carbonate, organosilane, organozirconate, microhardness.

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8. Andreia-Cristina SOARE, Viorica MELTZER, Mihaela CHEREGI and Victor DAVID

Thermodynamic study of the retention of aromatic hydrocarbons on phenylsilicagel based stationary phase under reversed-phase liquid chromatographic mechanism

Key words: aromatic hydrocarbons, phenylsilicagel, van’t Hoff equation, standard enthalpy variation.

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9. Bahar YILMAZ and Mevlut BAYRAKCI

Highly sensible chemosensor for Cu2+ and Hg2+ based on anthracene anchored Calix[4]arene pyridine amide receptor

Key words: fluorescence quenching, Calix[4]arene, anthracene, copper, mercury.

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Extraction of cerium(III) from aqueous solution using emulsion liquid membrane – design of experiments methodology

Key words: cerium, extraction, emulsion liquid membrane, D2EHPA, factorial design.

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11. Index of authors

Rev. Roum. Chim., 2019, 64(12), 1105-1114

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12. Index of subjects

Rev. Roum. Chim., 2019, 64(12), 1115-1119

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No 11 / 2019

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1. Ali Reza KIASAT, Sheida HAMID and Seyyed Jafar SAGHANEZHAD

Bipyridinium chloride supported rice husk silica: an efficient nanocomposite for the one-pot preparation of spirooxindole pyran and 2-amino-4H-chromene derivatives

Key words: nanosilica, nanocomposite, rice husk nanosilica, bipyridine, spirooxindole pyrans, 2-amino-4H-chromenes.

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2. Nabila AOUMEUR, Noureddine TCHOUAR, Salah BELAIDI, Dalal HARKATI, Houmam BELAIDI and Abderrahmane ROUANE

In silico investigation applied in physical, chemical properties and vibrational analysis of 1.3.4-thiadiazole derivatives 

Key words: 1,3,4-thiadiazole, DFT, MESP, GIOAO, vibrational analysis.

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3. Abdul Qayyum KHAN, Ata Ur RAHMAN, Muhammad YASEEN, Haroon Ur RASHID, Mahmood IQBAL and Mushtaq Ur REHMAN

Synthesis and characterization of poly(acrylic acid-co-acrylamide)-sawdust composite for the adsorptive removal of Cd(II) and Pb(II) from aqueous solutions

Key words: poly(acrylic acid-co-acryl amide)/sawdust composite, heavy metal, adsorption isotherm, activation energy, SEM, FT-IR.

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Theoretical study of bis-adduct fulleropyrrolidines isomers

Key words: fulleropyrrolidines, bis-adduct, density functional theory, photovoltaic cells, LUMO energy.

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Regio- and stereoselectivity of [3+2] cycloaddition reaction of methacrolein with diarylnitrones catalyzed by chiral rhodium complex

Key words: aromatic nitrones, 1,3-dipolar cycloaddition, stereoselectivity, enantioselectivity, methacrolein.

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6. Veronica BRĂTAN and Niculae I. IONESCU

The adsorption of O2 on ZnO and the logarithmic law

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

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7. Brahim BOURAS, Tayeb HOCINE, Karim BENHABIB, Redouane ZAIR, Asma MANSRI, Lahcène TENNOUGA and Kaddour GUEMRA

Turbidity removal from bentonite suspension by coagulation/flocculation using modified p-phenylenediamine/

Key words: modified copolymer, p-phenylenediamine, hydrolyzed poly (acrylamide), flocculation, turbidity. 

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8. Nesimi ULUDAG and Ozge NUR GIDEN

A new reagent for efficient synthesis of nitriles from aldoximes using methoxymethyl bromide

Key words: aldoxime, nitriles, methoxymethyl bromide, dehydration, oximes.

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Chemical composition and biological activities of Pinus halepensis Mill. oil

Key words: Pinus halepensis, phenolic content, fatty acid, oil.

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10. Tong XU, Jia-Hui ZHANG, Zhao-Ying LIU, Xuan LI and Song ZHU

Effect of light intensity and water aging on surface hardness of dental resin-composites

Key words: resin-composite, surface hardness, water aging, light intensity.

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No 10 / 2019

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1. 4th International Conference on Analytical Chemistry RO’ICAC 2018

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2. Catalina CIOATES NEGUT, Jacobus Frederick VAN STADEN and Georgiana-Luiza ARNOLD TATU

Fluorimetric determination of nitrate in water catchments using a fluorescence tracer dye

Key words: fluorimetric method, Rhodamine B, nitrate.

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3. Ioana M. C. IENAŞCU, Mariana N. ŞTEFĂNUŢ, Mihai-Cosmin PASCARIU,
Iuliana M. POPESCU, Adina CĂTA and Raluca POP

Complexation of [2-(2- bromophenylcarbamoyl)phenoxy]acetic acid ethyl ester with β-cyclodextrin

Key words: ethyl ester/β-CYD inclusion complex, molecular modelling, apparent formation constant, Benesi-Hildebrand equation, 1H-NMR.

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Development of reverse phase liquid chromatographic method by using core shell particles column for determination of montelukast and levocetirizine from pharmaceutical capsule dosage forms 

Key words: drug analysis, HPLC, levocetirizine, montelukast, validation.

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5. Jacobus Frederick VAN STADEN and Georgiana-Luiza ARNOLD TATU

Modified graphite/graphene dot microsensors for the assay of trace amounts of lead and cadmium in water catchments areas using differential pulse anodic stripping voltammetry

Rev. Roum. Chim., 2019, 64(10), 867-877

Key words: graphite/graphene dot microsensors, lead, cadmium, water catchments areas.

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6. Jacobus Frederick VAN STADEN and Ramona GEORGESCU STATE

Determination of tryptophan in pharmaceutical formulations and beer by enhancement of tryptophan-fluorescence response with fluorescein and potassium hexacyanoferrate(III)

Key words: tryptophan, tryptophan-fluorescence response enhancement, fluorescein, potassium hexacyanoferrate(III).

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7. Georgiana-Luiza ARNOLD TATU and Jacobus Frederick VAN STADEN

Phtalacyanine modified electrodes based on reduced graphene oxide for determination of lead in different types of water

Key words: phtalocyanine, electrode, voltammetry, ICP-OES, sensors.

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8. Adina CĂTA, Ioana M. C. IENAŞCU, Cristian TĂNASIE and Mariana N. ŞTEFĂNUŢ

Thermal degradation of anthocyanin pigments in bilberry, blackberry and black mulberry extracts in the presence of some added food antioxidants

Key words: anthocyanins, stability, thermal degradation, ascorbic acid, antioxidant activity.

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9. Hadi DEBIH, Oualid DILMI and Smail TERCHI

Organic pollutants adsorption onto granular activated carbon

Key words: granulated activated carbon, adsorption kinetics, porosity,affinity, competitiveness.

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10. Elena NEAGU, Gabriela PĂUN, Veronica MOROEANU, Oana UNGUREANU and Gabriel Lucian RADU

Antioxidant and antidiabetic properties of polyphenolic-rich extracts of Apium graveolens and Agropyrum repens

Key words: -amylase inhibitory activity, -glucosidase inhibitory, Apium graveolens, Agropyrum repens, membranare processes.

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11. Diana Felicia LOGHIN, Ecaterina Stela DRĂGAN and Marcela MIHAI

Comparative chemical modification of starches as a function of their origin: synthesis and analysis

Key words: starch, acrylonitrile, grafting reaction, hydrolyzed copolymers.

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No 9 / 2019

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1. Naouel BABAKHOUYA, Mohamed ABDOUNI and  Krim LOUHABElectrochemical chromium(VI) recovery process by conducting composite, olive pomace/PANIDOI: 10.33224/rrch.2019.64.9.01Rev. Roum. Chim., 2019, 64(9), 747-753

Key words: olive pomace, polyaniline, conductive polymeric, composite, adsorption, electrosorption, chrome hexavalent, heavy metals

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2. Fereshteh MOTIEE and Zohreh GHAZI TABATABAEIEvaluating optimum conditions for fatigue life of NR-based rubber compounds using the Taguchi methodDOI: 10.33224/rrch.2019.64.9.02Rev. Roum. Chim., 2019, 64(9), 755-761

Key words: natural rubber, fatigue life, Taguchi method, ozone resistance.

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3. Bin JIANG, Mengyu LU and Minghua XUAmperometric sensing of organophosphorus pesticides based on covalently attached multilayer assemblies of diazo-resin, prussian blue single-walled carbon nanotubes, and acetylcholinesteraseDOI: 10.33224/rrch.2019.64.9.03Rev. Roum. Chim., 2019, 64(9), 763-774

Key words: acetylcholinesterase, prussian blue single-walled carbon nanotubes, diazo-resin, layer-by-layer assembly, covalently attached multilayer assemblies.

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4. Sabrina HEMSAS and Messaoud HACHEMIAdsorption of Methylene Blue Dye by Stipa tenacissima L (Alfa fibers) in aqueous solution: equilibrium, thermodynamics, kinetic mechanismDOI: 10.33224/rrch.2019.64.9.04Rev. Roum. Chim., 2019, 64(9), 775-784

Key words: adsorption, equilibrium, kinetic, Methylene Blue, Stipa tenacissima L, thermodynamic.

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5. Zaki AJJI, Mohammad S. AL-MASRI, Ibrahim OTHMAN, Hayat TABEIKH and Yusr AMINThe removal of 210Po and 210Pb from aqueous solution using sulphonated polystyrene wasteDOI: 10.33224/rrch.2019.64.9.05Rev. Roum. Chim., 2019, 64(9), 785-790

Key words: radionuclide; removal; polystyrene waste; sulphonation; sorption

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6. Arezoo GHAEMI, Haman TAVAKKOLI, Fatemeh Hasan GHAHVAROKHISelective measurement of europium(III) in solutions using a sensor with polymeric membraneDOI: 10.33224/rrch.2019.64.9.06Rev. Roum. Chim., 2019, 64(9), 791-799

Key words: europium (III), polymeric membrane, Kryptofix 21, potentiometry.

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7. Koray CAKIR, Cem ERKMEN, Bengi USLU and Nilgun GUNDEN GOGERQuantitative determination of paracetamol, caffeine and codeine phosphate in pharmaceutical dosage forms by using capillary electrophoresis methodDOI: 10.33224/rrch.2019.64.9.07Rev. Roum. Chim., 2019, 64(9), 801-808

Key words: caffeine, capillary electrophoresis, codeine phosphate, optimization, paracetamol.

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8. Hui GAO, Qingqing HU, Wei MA, Yanming WANG, Wenting CHEN and Dengming SUNDetermination of Kojic acid based on a poly(L-arginine) electrochemically reduced graphene oxide modified electrodeDOI: 10.33224/rrch.2019.64.9.08Rev. Roum. Chim., 2019, 64(9), 809-815

Key words: L-arginine, reduced graphene, kojic acid, modified electrode.

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9. Ahmed ALHADHRAMI, Abdel Majid A. ADAM, Abdulraheem S. A. ALMAKI and Moamen S. REFATSynthesis of iron(III) oxide nanoparticles via simple and cheap procedures for adsorption of environmentally harmful toxic heavy metalsDOI: 10.33224/rrch.2019.64.9.09Rev. Roum. Chim., 2019, 64(9), 817-828

Key words: iron(III) complex, urea, thermal decomposition, nanoparticles, heavy metals.

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10. Azime Berna ÖZÇELIK, Fatma GÜMÜŞ, Aysun Kılıç SÜLOĞLU and Güldeniz SELMANOĞLUCytotoxic activity studies of some platinum(II) complexes with 2-substituted benzimidazole ligandsDOI: 10.33224/rrch.2019.64.9.10Rev. Roum. Chim., 2019, 64(9), 829-834

Key words: benzimidazole, platinum complexes, cytotoxic activity, HeLa cell line, MCF-7 cell line.

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No 8 / 2019

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Environment-friendly green approaches for an efficient synthesis of 2H-indazolo[2,1-b] phthalazine-1,6,11(13H)- triones catalyzed by tannic acid

Key words: ecofriendly catalyst, tannic acid, synthesis, phthalazine-triones.

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2. Bhuvanendra SINGH, Rajeev SINGH, Rayees Ahmad BHAT, Vasundhara SINGH and Dilip KUMAR

Crystal structure and computational study of a fluorine-containing thiosemicarbazoneDOI: 10.33224/rrch.2019.64.8.02

Key words: crystal structure, computational study, electron localization function, Hirshfeld surface, natural population analysis.

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3. Xu-Yan ZHANG and Tao-Tao PANG

Supramolecular p-sulfonated Calix[4]arene for tyrosine detection

Key words: Fourier transform infrared spectroscopy, molecular modeling calculation, cyclic voltammetry, electrochemical impedance spectroscopy, scanning electron microscopy.

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4. İbrahim TEGIN, Erdal YABALAK, Betül SADIK and Mehmet FIDAN

Evaluation of chemical content and radical scavenging activity of Allium vineale L. extract and its elemental analysis

Key words: Allium vineale, subcritical water extraction, DPPH, chemical composition.

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Biogenic amines content in the serum of patients with non-Hodgkin’s lymphoma

Key words: Biogenic amines, LC/DAD, serum, non-Hodgkin’s lymphoma.

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6. Yin-Ling WANG, Shi-Jia ZHAO, Yi LIU and Zhi XU

Design, synthesis and in vitro anti-bacterial activities of benzofuran-isatin hybrids

Key words: benzofuran-isatin hybrids, anti-bacterial, drug-resistant, structure-activity relationship.

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7. Lu PAN

Preparation and enhanced electrocatalytic performances of Co3O4 composites nanosheets loaded with double precious metals

Key words: AgxAuy/Co3O4 composites, double precious metals, electrocatalysis, p-nitrophenol.

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8. Nesrin KARAALI, Rıdvan ATIK, Nimet BALTAS, Selami SASMAZ and Bahittin KAHVECİ

Synthesis, inhibitory properties on the metabolic enzymes and antioxidant activity of a new series benzimidazole derivatives

Key words: benzimidazole, Schiff base, antioxidant, anti-urease, anti-xanthineoxidase.

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9. Andreia-Cristina SOARE, Toma GALAON, Serban C. MOLDOVEANU and Victor DAVID

The influence of column temperature on the extrapolated values of the retention factor in reversed-phase liquid chromatography for water as mobile phase

Key words: extrapolated retention factor, column temperature, reversed-phase liquid chromatography, thermodynamic.

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10. Moufida A. OUESLATI, Justin RENAUD, Ghayth RIGANE, Aynur GUNENC, Ridha Ben SALEM, Sadok BOUKHCHINA, Farah HUSSAINIAN and Paul M. MAYER

LC-MS and ESI-MS QTOF-MS analysis of glycerophospholipid and triacylglycerol species in developing wild artichoke achenes

Key words: phospholipids, triacylglycerols, Onopordum acanthium oil, seed/achenes development, electrospray ionization.

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No 7 / 2019

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1. Siyamak SHAHAB, Liudmila FILIPPOVICH, Masoome SHEIKHI, Maria AHARODNIKOVA and Rakesh KUMAR

Spectroscopic and thermophysical investigations of new synthesized azo dye and its application in polarizing film

Key words: polarizer film, dichroic dye, thermal conductivity, polarization efficiency.

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2. Larissa SASSYKOVA, Ulzhan OTZHAN and Anargul KURMANSITOVA

Investigation of selective hydrogenation of aromatic nitrocompounds and hydrocarbons

Key words: catalyst, aromatic nitro compounds, aromatic hydrocarbons, hydrogenation.

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3. Ali RAMAZANI, Vahid AZIZKHANI and Sang Woo JOO

Heteropolyacids: as efficient catalysts for the nitration of 2,4,6,8,10,12-hexaacetyl-2,4,6,8,10,12-hexaazaisowurtzitane

Key words: CL-20, heteropolyacids, clean nitrating agents, nitration, HAIW.

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4. Osman ISMAIL

Modelling of AAm-co-alginate hydrogels swelling kinetics

Key words: acrylamide, alginate, hydrogel, swelling, modelling.

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5. Hitesh MAHAJAN, Babita JAMWAL and Satya PAUL

Biginelli reaction via bis-ureide intermediate in low melting mixture

Key words: Biginelli reaction, reaction mechanism, bis-ureide intermediate, one-pot synthesis, low melting mixture.

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Synthesis and antimicrobial study of new Pt(IV) and Ru(III) complexes of fluorenylspirohydantoins

Key words: (9’-fluorene)-spiro-5-hydantoin, (9’-fluorene)-spiro-5-(2-thiohydantoin), complex, antimicrobial effect.

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7. Fariza KHEMMARI and Khaled BENRACHEDI

Peach stones valorizated to high efficient biosorbent for hexavalent chromium removal from aqueous solution: adsorption kinetics, equilibrium and thermodynamic studies

Key words: raw peach stones, hexavalent chromium, biosorption, desorption, kinetics.

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8. Seyma CELIKBILEK CELIK, Husamettin VATANSEV and Ziya Erdem KOC

Benzimidazole Schiff bases microwave assisted synthesis and the effect on leukemia cells with flow cytometry

Key words: benzimidazole, Schiff base, cytotoxicity, flow cytometry, blastic cells.

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9. Farzana AHMAD, Kim EUN JEE, Muhammad JAMIL and Young JAE JEONPluronic polymer crosslinked with thiolene in polymer dispersed liquid crystal filmsDOI: 10.33224/rrch.2019.64.7.09

Rev. Roum. Chim., 2019, 64(7), 625-631

Key words: Pluronic polymer, thiol-ene monomer, electro-optical properties, PIPS method, SEM.

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10. Daniela GHEORGHE and Ana NEACSU

Heat of some plant biomass species for biofuels production

Key words: biomass, combustion, heating value, biofuel, pellets.

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No 6 / 2019

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1. Mahmoud M. AL-KTAIFANI and Mohammad K. SABRA

1,1′-Methylenedipyridinium tetranitratocuprate(II): A rare example of organic-inorganic hybrid salt of form [organic dication][Cu(NO3)4], synthesis, spectroscopic characterizations and molecular structural investigations

Key words: organic-inorganic hybrid salt, 1,1ʹ-methylenedipyridinium, tetranitratocuprate, FTIR, ab initio quantum chemical calculations.

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2. Qijie XU, Ning ZHANG, Dandan HE, Zhun LIU, Wei LI and Weiwei HE

Preparation of polyamide 6/copper nanocomposites and its properties

Key words: In situ polymerization, caprolactam, nano-Cu, polyamide 6.

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3. Yang LI, Zhiwei ZHOU, Juan QIN, Zhirui LIU, Hao HUANG, Guang LIU and Wenliang WU

Preparation of tin-doped mordenite by multistep pH template-free method for the tert-alkylation of toluene

Key words: SnMOR; Framework-substituted; Template-free; Lewis acidity; Para-tert-butyltoluene.

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In vitro evaluation of antitubulin activityof tetrahydropyrrolo[3,4-c]pyrrole-1,3-dione derivatives

Key words: in vitro tubulin assembly, colchicine domain, tetrahydropyrrolo[3,4-c]pyrrole-1,3-dione.

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Simple and efficient rout for synthesis of new 9-(phenyl imino hydrazine)-acenaphtho[1,2-e]-1,2,4-triazin derivatives

Key words: synthesis, acenaphthylene-1, 2-dione, acenaphtho [1, 2-e]-1, 2, 4-triazines, benzyl thio, imino hydrazine, aldehydes.

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Chemical composition, antioxidant and cytotoxic activities of Onopordum acanthium L. crude oil and defatted meal

Key words: phenolic acids, radical scavenging potential, tocopherols, seed oil, antiproliferative activity.

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7. Sondes FKIRI, Hanene GHAZGHAZI, Ghayth RIGANE, Ridha BEN SALEM, Faten MEZNI, Abdelhamid KHALDI, M. Larbi KHOUJA and Zouhair NASR

Chemical compositions and biological activities essential oil from the needles of North African Pinus pinaster Var.

Key words: Pinus pinaster Var., essential oil, GC-MS, biological activities.

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8. Hai-Huan GONG, Xiao-Meng ZHANG, Xiao-Wei GUO, Ping GAO, Qi ZHAO, Tong XU, Xiao-Yu SHI, Song ZHU and Zhan-Chen CUI

Advances in reducing microleakage in dental composites

Key words: dental restorations, microleakage, polymerization, composite resins, polyurethane elastomer, stress.

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9. Xiao-Niu FANG, Xiu-Guang YI, Bo-Xiao TANG, Ren-Yun KUANG and Ya-Ping XU

Synthesis, crystal structure, photoluminescence and semiconductive properties of a novel terbium complex

Key words: terbium complex, Photoluminescence, X-ray, semiconductive materials.

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10. Ancuţa-Veronica LUPAESCU, Cătălina-Ionica Ciobanu, Ionel HUMELNICU, Brînduşa Alina PETRE, Manuela MURARIU and Gabi DROCHIOIU

Design and synthesis of new anti-amyloid NAP-based/like peptides

Key words: Alzheimer’s disease, β-amyloid, NAP peptide, FT-IR, HPLC.

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No 5 / 2019

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1. Mohammad Bahar TAJ, Ahmad RAHEEL, Syed Ahmad TIRMIZI, Muhammad SHARIF, Roja Hammad AHMAD and Happipah Bint Mohd ALI

Pt, Pd and Cu metal-amidine coordination

Key words: amidines, binding mode, metal (Pt, Pd and Cu) complexes.

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2. Ghodsi MOHAMMADI ZIARANI, Shima ASADI, Alireza BADIEI and Mohammad Reza NABID

Synthesis and characterization of organic/inorganic hybrid materials based on polyhedral oligomeric silsesquioxane (POSS) and poly(ethylene glycol) via click chemistry

Key words: nano POSS, PEG, click chemistry, organic-inorganic hybrid.

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

Mathematical modeling for kinetics of Fe3+ exchange on pretreated analcime

Key words: ion exchange, analcime, numerical study, Table Curve software.

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4. Sajjad SEDAGHAT, Elham ARSHADI,Alireza NAFAR and Reza DABBAGH

Key words: silver nanoparticle, bio-synthesis, glucose, green method, transmission electron microscopy, X-ray diffraction.

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5. Jamal STAS and Roulana BOUZO

Optimization of Fe(III) extraction from HCl solutions by TDA/kerosene using factorial design experiments

Key words: extraction, iron(III), hydrochloric acid, tri-n-dodecylamine, factorial design.

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6. Nima BANIJAMALI and Hamid Reza GHORBANI

Copper nanoparticles coating on filter using biological method and the study of its antibacterial activity

Key words: filter, copper nanoparticles, antibacterial, coating.

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7. Monica JURESCHI, Ionel HUMELNICU, Brânduşa Alina PETRE, Catalina-Ionica CIOBANU, Manuela MURARIU and Gabi DROCHIOIU

Solid phase synthesis of four analogs of amyloid-β(9-16) peptide: MS and FT-IR caracterization

Key words: peptide, heavy metal ions, FT-IR, NMR, fluorescence spectroscopic techniques.

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8. Mariana TEODORESCU and Vlad T. POPA

Solution molar enthalpies for 1-butyl-3-methylimidazolium chloride + 1-propanol system at 303.56 and 318.68 K

Key words: 1-butyl-3-methylimidazolium chloride, 1-propanol, solution enthalpy, apparent and relative molar enthalpies, infinite dilution.

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9. Dorina CHAMBRE, Mihaela DOCHIA and Simona GAVRILAŞ

TG/DTG analysis of an eco-friendly scoured fabric

Key words: cotton-flax fabric, eco-friendly scouring, ultrasonication, TG/DTG analysis, FT-IR analysis.

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10. NOTE

Key words:

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11. Cristina A. FLOREA and Horia PETRIDE

Homolytic pathway for the RuO4-oxidation of amines

Key words: ruthenium tetraoxide, secondary amines, homolytic mechanism.

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No 4 / 2019

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1. Agadadash ALIYEV, Agil SAFAROV and Zumrud SHABANOVA

Oxidative conversion of isopropyl alcohol

Key words: isopropyl alcohol, acetone, mechanism, natural mordenite, kinetic model.

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2. Khuram Shahzad AHMAD

Adsorption of Rimsulfuron in selected soils and its removal via activated carbon

Key words: sorption, herbicide, activated carbon, removal.

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3. Xu LIU, Hui GAO, Dengming SUN, Yanming WANG and Wei MA

Determination of trace of iodide at a poly-L-methionine modified glassy carbon electrode

Key words: iodide, poly-L-methionine, modified, glassy carbon electrode.

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4. Liang JUNXI, Bai JUN, Su QIONG and Zhang HUBIN

Theoretical study on reactions mechanism of CH3Cl with ClO– and ClHeO–: a prediction of inert-atom effect

Key words: oxygen containing anion, mechanism, density functional theory (DFT).

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5. Aysel KOÇ DEMİR

Development and characterization of gelatin/chitosan/montmorillonite composite scaffold enriched with magnesium

Key words: bone tissue engineering, composite material, montmorillonite, natural polymers, magnesium.

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6. Jianfei KONG, Jun CHEN and Jinquan LIU

Synthesis, photophysical, electrochemical and DNA binding properties of a novel ruthenium(II) N^N complexDoi: 10.33224/rrch.2019.64.4.06

Key words: ruthenium(II) complex, N^N, DNA binding, photophysics, electrochemistry.

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7. Xiu-Guang YI, Xiao-Niu FANG, Xiao-Ying ZHOU, Yong-Xiu LI and Yan-Zhu LIU

In situ syntheses and characterization of two phases of a copper complex: structural difference leading to different properties

Key words: crystal structure, phase, photoluminescence, semiconductor, supermolecule.

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8. Xuan-Ming ZHANG, Li-Wen HAN, Wen-Long SHENG, Xiao-Bin LI, Shan-Shan ZHANG, Qing XIA, Guan-E YANG and Ke-Chun LIU

Two novel holostane-type glycosides from the viscera of sea cucumber Apostichopus japonicus with antitumor activities

Key words: Apostichopus japonicus, viscera, holostane-type glycosides, spectroscopic analysis, antitumor.

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9. Cihan KANTAR

Phthalocyanines containing resorcinarene cavitants; synthesis and heavy metal ion extraction properties

Key words: phthalocyanine, resorcinarene, heavy metal ion extraction, liquid-liquid extraction, cavitand.

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10. Edvin CAIALI and Victor DAVID

Key words: aromatic hydrocarbons, phenyl-silica, reversed-phase HPLC, water solubility, octanol/water partition.

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11. Cristina POPA, Ana Maria BRATU and Mioara PETRUS

Chemical compounds from human respiration

Key words: exhaled chemical compounds, spectroscopy, human respiration.

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No 3 / 2019

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Synthesis, spectroscopic characterization, crystal structure and hirshfeld surface analysis of (4-Cl-C6H4O)(OC4H8N)2PO amidophosphoester

Key words: amidophosphoester, X-ray crystallography, Hirshfeld surface analysis, NMR.

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Antioxidant capacity measurement of aniline-pyrrole copolymer by FRAP assay

Key words: FRAP, copolymer, TPTZ, electrosynthesis, antioxidant activity.

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3. Xiangqian FAN, Zhiping LV and Xiang ZU

Study on microphase separation of novel crosslinked polyurethane by AFM and DMA

Key words: microphase separation, polyurethane composites, nanoparticles, atomic force microscopy (AFM), dynamic mechanical analysis (DMA).

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4. Zain Ul ABDEEN and Rehana SAEED

Ionic interactions in cross-linked poly(vinyl alcohol) hydrogel blended with starch

Key words: adsorption, hydrogel, isotherm, poly(vinyl alcohol), starch.

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5. Hamed PEJMAN, Nourallah HAZERI, Maryam FATAHPOUR and Homayoun Faroughi NIYAA concise route for the one-pot multi-component synthesis of 4,6-disubstituted 2-aminopyridine-3-carbonitriles and pyranopyrazoles using cobalt (II) nitrate hexahydrate as catalystDoi: 10.33224/rrch.2019.64.3.05

Rev. Roum. Chim., 2019, 64(3), 241-247

Key words: cobalt (II) nitrate hexahydrate, 2-aminopyridine-3-carbonitriles, pyranopyrazoles.

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6. Hamit YURTSEVEN and Özge AKAY

Calculation of the phase diagrams for the fluid-solid and solid-solid (δ-δloc-ε) transitions in molecular nitrogen by using mean field model

Key words: T-P phase diagram, mean fiels models, molecular nitrogen.

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An efficient synthesis of 2,2′-arylmethylene bis(3-hydroxy-5,5-dimethyl-2-cyclohexene-1-one) derivatives using baker’s yeast

Key words: 2,2′-arylmethylene bis(3-hydroxy-5,5-dimethyl-2-cyclohexene-1-one) synthesis, knoevenagel condensation, environmentally friendly, Saccharomyces cerevisae (baker’s yeast), biocatalyst.

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8. Kun ZHOU, Jia XIE, Kai YIN, Yue-Yong YAN and Ke WANG

Crystallization kinetics of evaporation rubidium chloride in the MSMPR crystallizer

Key words: evaporation, crystallization, kinetics, rubidium chloride, nucleation rate, growth rate.

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9. Chunbin TAN, Xiaoling LIU and Hongfei DU

The novel method to synthesis of Cantharidin intermediate

Key words: synthesis, Cantharidin, ionic-liquid, Diels-Alder reaction, 3-keto- 4-carbomethoxy-2,5-tetrahydrothiophene.

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10. Hanane MAHROUG, Ali MANSRI and Fayçal DERGAL

The effect of calcium suspension concentration on the hydroxyapatite structures and purity

Key words: hydroxyapatite, carbonate, calcium phosphate, suspension, dispersion.

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