No 12 / 2021

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1. Maya GEORGIEVA, Emilio MATEEV, Diana TZANKOVA and Alexander ZLATKOV

Microwave-assisted synthetic approaches to biologically active N-based five-membered heterocycles as response to green chemistry

DOI: 10.33224/rrch.2021.66.12.01

Rev. Roum. Chim., 2021, 66(12), 873-894

Key words: microwave-assisted synthesis, green synthesis, nitrogen-based heterocycles.

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A rapid and sensitive method for separation/preconcentration and determination of Cu2+ from aqueous solution using modified magnetic graphene oxide nanocomposites

DOI: 10.33224/rrch.2021.66.12.02

Rev. Roum. Chim., 2021, 66(12), 895-906

Key words: magnetic nanocomposite, graphene oxide, Cu2+, preconcentration.

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Synthesis and antimicrobial efficiency of some new types of the quaternary ammonium compounds

DOI: 10.33224/rrch.2021.66.12.03

Rev. Roum. Chim., 2021, 66(12), 907-911

Key words: organic synthesis, quaternary ammonium salts, bactericide effect.

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4. Tian-shan WANG and Yan-yan NIU

Diagnostic product ions and fragmentation patterns for the cyclomyrsinane-type diterpenoids by higher-energy collisional dissociation mass spectrometry

DOI: 10.33224/rrch.2021.66.12.04

Rev. Roum. Chim., 2021, 66(12), 913-920

Key words: cyclomyrsinane-type diterpenoids, euphorbia species, diagnostic product ions, mass spectrometry.

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5. Meryem ACILA, Hakim BENSABRA and Adel SAOUDI

Performance of ethanolic extract propolis as a safe inhibitor for AA7075 alloy corrosion in neutral chloride medium

DOI: 10.33224/rrch.2021.66.12.05

Rev. Roum. Chim., 2021, 66(12), 921-930

Key words: aluminum, corrosion, inhibitors, propolis, ethanolic extract.

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6. Munzer NADDAF, Ali ALZIER and Hussam ALLAHAM

Surface tension and hydroperoxide content of vegetable oils: effect of repeated deep frying

DOI: 10.33224/rrch.2021.66.12.06

Rev. Roum. Chim., 2021, 66(12), 931-939

Key words: vegetable oils, frying, surface tension, FTIR, oil absorption.

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7. Carmen-Irena MITAN, Emerich BARTHA, Petru FILIP, Constantin DRAGHICI, Miron T. Caproiu and Robert Michael MORIARTY

Dihedral angles calculated with 3-sphere approach as integer in conformational analysis on D-, L- ribitol series

DOI: 10.33224/rrch.2021.66.12.07
Rev. Roum. Chim., 2021, 65(12), 941-948

Key words: conformation, Altona’s model, 3-sphere, alpha-D, beta-L-ribitol.

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8. Index of authors

Rev. Roum. Chim., 2021, 66(12), 949-958

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9. Index of subjects

Rev. Roum. Chim., 2021, 66(12), 959-962

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No 10-11 / 2021

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In memoriam Prof. Petre T. FRANGOPOL

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1. Gheorghe BENGA


Dedicated to the memory of Prof. Petre T. FRANGOPOL (1933-2020)

Spin label studies of some biological materials performed by collaborative work of roumanian and foreign scientists – a brief review

DOI: 10.33224/rrch.2021.66.10-11.01

Rev. Roum. Chim., 2021, 66(10-11), 789-795

Key words: ESR, albumin, biomembranes, chlorpromazine, erythrocytes.

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2. Micholas Dean SMITH, Loukas PETRIDIS, James G. ELKINS, Jonathan D. NICKELS, John KATSARAS and Jeremy C. SMITH

Microbial membranes: a challenge for bioenergy

DOI: 10.33224/rrch.2021.66.10-11.02

Rev. Roum. Chim., 2021, 66(10-11), 797-804

Key words: modeling, biofuels, membrane, neutrons, dynamics.

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3. Edvin CAIALI, Serban C. MOLDOVEANU and Victor DAVID

Enthalpy-entropy compensation in reversed-phase high-performance liquid chromatography investigated for the mobile phases containing alcohols from methanol to octanol

DOI: 10.33224/rrch.2021.66.10-11.03

Rev. Roum. Chim., 2021, 66(10-11), 805-811

Key words: enthalpy-entropy compensation, liquid chromatography, van’t Hoff, thermodynamics, mobile phase with alcohols.

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4. Davy C. VANDERWEYEN, Derek R. TUCK and Sorinel A. OPRISAN

Is the net electric charge injected into a cell the only driver of its response?

DOI: 10.33224/rrch.2021.66.10-11.04

Rev. Roum. Chim., 2021, 66(10-11), 813-818

Key words: action potential, neuron model, non-stereotypical, phase resetting curve, Hodgkin-Huxley.

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5. Ioana-Alexandra SUCIU, Alexandru LUPAN and Radu SILAGHI-DUMITRESCU

Peroxo-transition metal systems: examples of redox isomerism in palladium structures

DOI: 10.33224/rrch.2021.66.10-11.05

Rev. Roum. Chim., 2021, 66(10-11), 819-828

Key words: peroxide, palladium, redox isomerism, hydride.

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The antifungal activity of zein nanoparticles loaded with transition metal ions

DOI: 10.33224/rrch.2021.66.10-11.06

Rev. Roum. Chim., 2021, 66(10-11), 829-834

Key words: nanoparticles, zein, transition metal ions, Candida, antifungal.

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7. Sharon E. STONE, Dhiman RAY and Ioan ANDRICIOAEI

Studing the association of trypsin-benzamidine complex using enhanced sampling molecular dynamics

DOI: 10.33224/rrch.2021.66.10-11.07

Rev. Roum. Chim., 2021, 66(10-11), 835-844

Key words: molecular dynamics, protein-ligand binding, free energy, trypsin-benzamidine, enhanced sampling.

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8. Konstantina KARATHANOUa and Ana-Nicoleta BONDAR

Conformational coupling via hydrogen-bonding in the DEAD-box protein VASA

DOI: 10.33224/rrch.2021.66.10-11.08

Rev. Roum. Chim., 2021, 66(10-11), 845-853

Key words: hydrogen-bonding, DEAD-box, RNA, ATP, VASA.

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9. Aurora MOCANU, Peter J. QUINN, Cristina NICULA, Sorin RIGA, Gheorghe TOMOAIA, Ciprian-Alin BARDAŞ and Maria TOMOAIA-COTISEL

Interaction of local anesthetic procaine with phospholipid model membrane

DOI: 10.33224/rrch.2021.66.10-11.09

Rev. Roum. Chim., 2021, 66(10-11), 855-869

Key words: phospholipid model membrane, dipalmitoyl phosphatidylcholine, procaine, compressional isotherms, thermodynamic approach, membrane structure, LB technique, AFM.

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No 8-9 / 2021

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1. Dana Maria POPESCU-SPINENI, Alexandru Constantin MOLDOVEANU, Elena Nicoleta BORDEA, Melania Elena POP-TUDOSE and Anca Magdalena MUNTEANU


DOI: 10.33224/rrch.2021.66.8-9.01

Rev. Roum. Chim., 2021, 66(8-9), 687-699

Key words: endocannabinoid system, phytocannabinoids chemistry, therapeutic effects of phytocannabinoids.

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2. Ali ŞENOL, Elisha Apatewen AKANBONG, Mert SUDAGIDAN and Alparslan Kadir DEVRIM

DNA-metal interaction and the biological activities of metal complexes: An overview in the light of recent literature

DOI: 10.33224/rrch.2021.66.8-9.02

Rev. Roum. Chim., 2021, 66(8-9), 701-711

Key words: DNA, metal complexes, DNA-metal interaction, potential drug effect.

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Evaluation of antioxidant capacities of orange, lemon, apple and banana peel extracts by FRAP and ABTS methods

DOI: 10.33224/rrch.2021.66.8-9.03

Rev. Roum. Chim., 2021, 66(8-9), 713-717

Key words: orange, lemon, apple, banana, antioxidant activity, ABTS and FRAP methods.

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4. Ali N. KAHLILOVEnvironmentally benign synthesis of new 1,3-oxazolidines and azomethynes on the base of arylaminopropanols

DOI: 10.33224/rrch.2021.66.8-9.04

Rev. Roum. Chim., 2021, 66(8-9), 719-723

Key words: arylsubtituted 1,2-amino alcohol, Schiff base, 1,3-oxazolidine, diastereoisomers.

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5. Naouel OUIS and Ahmed HARIRI

Kinetic parameters of the antioxidant activities of extracts and essential oil of olive leaves

DOI: 10.33224/rrch.2021.66.8-9.05

Rev. Roum. Chim., 2021, 66(8-9), 725-732

Key words: antioxidant activity, essential oil, extracts, kinetic, olive leaves.

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Improvement mixed matrix membranes performance of MCM-41/PSf for CO2 separation using silane coupling agent

DOI: 10.33224/rrch.2021.66.8-9.06

Rev. Roum. Chim., 2021, 65(8-9), 733-740

Key words: MCM-41, polysulfone, APTES, mixed matrix membrane, gas separation.

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7. Igor WINKLER, Abdelmohsen M. SOLIMAN and Iryna LEBEDINTSEVA

Presumptive screening of mixed organic solvents-derived alcohols in human blood during the forensic gas chromatographic determination of alcohols

DOI: 10.33224/rrch.2021.66.8-9.07

Rev. Roum. Chim., 2021, 66(8-9), 741-746

Key words: gas chromatography, alcohol content determination, mixed organic solvents, toxicology.

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8. Hazem BOURAOUI, Amina KHEMAKHEM, Mohamed Ramzi BEN ROMDHANE, Nicola TESSIER-DOYEN and Ezzedine SRASRA

Improved selectivity of a polysulfone membrane by surface grafting of a vinyl acetate monomer

DOI: 10.33224/rrch.2021.66.8-9.08

Rev. Roum. Chim., 2021, 66(8-9), 747-754

Key words: plysulfone membrane PS, cemical surface modification, grafting, vinyl acetate monomers PVAc, selectivity,

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9. Ty Viet PHAM, Duc Viet HO and Bao Chi NGUYEN

One new pyrone from the Knema globularia fruits

DOI: 10.33224/rrch.2021.66.8-9.09

Rev. Roum. Chim., 2021, 66(8-9), 755-760

Key words: Knema globularia, knecorticosanone I, acetophenones, cytotoxicity.

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Experimental and theoretical studies of polyvinylpyrrolidone-iodine on carbon steel corrosion in 1M hydrochloric solution

DOI: 10.33224/rrch.2021.66.8-9.10Rev. Roum. Chim., 2021, 66(8-9), 761-770

Key words: polyvinylpyrrolidone-iodine, carbon steel, hydrochloric acid, thermodynamic parameters, SEM, XRD, DFT.

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11. Sultana RIFHAT, Abid OBAID-UR-RAHMAN, Sultana NIGHAT, Rehman WAJID, Nawaz MOHSAN, Bibi IRAM, Abdul WADOOD, Asma SARDAR, Saima DAUD, Hassan MEHBOOB, Ali BAHADER and Farid MENAA

Synthesis, enzyme inhibition and docking studies of 1,2,4-triazoles derived from aliphatic esters

DOI: 10.33224/rrch.2021.66.8-9.11

Rev. Roum. Chim., 2021, 66(8-9), 771-779

Key words: aliphatic esters, thiosemicarbazides, triazoles, glucosidase inhibition, urease inhibition.

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No 7 / 2021

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1. Dana Maria POPESCU-SPINENI, Anca Magdalena MUNTEANU, Constantin IONESCU-TÂRGOVIŞTE, Costin MILITARU and Alexandru Constantin MOLDOVEANU

Cannabis terpenes in relantion to human health

DOI: 10.33224/rrch.2021.66.7.01

Rev. Roum. Chim., 2021, 66(7), 583-592

Key words: terpenes, medicinal cannabis, the “entourage effect”.

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2. Xuewu ZUO, Muhammad Kamran SIDDIQUI, Najma Abdul REHMAN and Muhammad NAEEM

Computing topological indices for silicates and honeycomb networks

DOI: 10.33224/rrch.2021.66.7.02

Rev. Roum. Chim., 2021, 66(7), 593-603

Key words: forgotten topological index, hyper zagreb index, first multiple zagreb index, second multiple zagreb index and zagreb polynomials, silicates and honeycomb networks.

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3. Mioara COSTACHE, Iuliana MANEA and Laur Constantin MANEA

The use of polysaccharides as dietary fibers to improve the functionality of fast food meat products

DOI: 10.33224/rrch.2021.66.7.03

Rev. Roum. Chim., 2021, 66(7), 605-611

Key words: lipids, dietary fiber, meatballs, functional food.

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4. Hicham KOUADRI, Ouahiba BOURICHE, Ouarda DJAOUT, Naima MAOUCHE and Djahida LERARI

Enhancement of the photodegradation resistance and antibacterial properties of PP-HDPE nanocomposites based nanoclay and zinc oxide

DOI: 10.33224/rrch.2021.66.7.04

Rev. Roum. Chim., 2021, 66(7), 613-624

Key words: PP-HDPE, clay, ZnO, nanocomposite, antimicrobial activity, photodegradation resistance.

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5. Mohammad K. SABRA, Mahmoud M. Al-KTAIFANI, Abd Alaziz ALSHARIF and Fatemh MAKSOUD

Synthesis and molecular structure of 1,1′-(ethylene-1,2-diyl)dipyridinium tetrachloridocuprate(II)

DOI: 10.33224/rrch.2021.66.7.05

Rev. Roum. Chim., 2021, 66(7), 625-632

Key words: 1,1′-(ethylene-1,2-diyl)dipyridinium tetrachloridocuprate(II), molecular structure, NMR, organic-inorganic hybrid salt, powder X-ray diffraction.

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6. Wahiba MECIBAH, Hamza ALLAL, Mouna CHERIFI, Souad BOUASLA and Nabila BOUTEMINE

Theoretical study of chalcone derivatives as corrosion inhibitors for aluminum in acidic environment

DOI: 10.33224/rrch.2021.66.7.06

Rev. Roum. Chim., 2021, 66(7), 633-644

Key words: corrosion inhibitors, quantum-chemical calculation, DFT, chalcone derivatives inhibitors.

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7. Claudia COBZARU, Genoveva BORDEIANU, Gabriela Antoaneta APOSTOLESCU, Ramona-Elena TATARU-FARMUŞ, Nicolae APOSTOLESCU and Corina CERNATESCU

Thermal and photochemical degradation of cooked sunflower, olive and palm oilsDOI: 10.33224/rrch.2021.66.7.07

Rev. Roum. Chim., 2021, 66(7), 645-652

Key words: sunflower oil, olive oil, palm oil, cooking, photo degradation.

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8. Souad BOUASLA, Chafia SOBHI, Hamza ALLAL, Wahiba MECIBAH, Mouna CHERIFI and Issam BOUGDAH

Synthesis, antioxidant and DFT study of some 4-methyl-2H-chromen-2-one derivatives

DOI: 10.33224/rrch.2021.66.7.08

Rev. Roum. Chim., 2021, 65(7), 653-660

Key words: coumarin, Pechmann condensation, antioxidant activity, DPPH, DFT.

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9. Hajer RIGUENE, Ghayth RIGANE and Ridha BEN SALEM

Enhanced production of phenolic compounds from Jasminum grandiflorum leaves by response surface methodology

DOI: 10.33224/rrch.2021.66.7.09

Rev. Roum. Chim., 2021, 66(7), 661-674

Key words: Jasminum grandiflorum Linn, phenolic compounds, ultrasoundassisted extraction (UAE), response surface methodology (RSM).

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Removal of safranin from the environment by using graphene oxide paper

DOI: 10.33224/rrch.2021.66.7.10

Rev. Roum. Chim., 2021, 66(7), 675-681

Key words: adsorbent, adsorption capacity, GO paper, safranin.

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No 6 / 2021

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1. Nouzha BOUZIANE, Amel ALOUI, Samia BEHLOUL and Abdennour ZERTAL

Kinetic models of aqueous 2-mercaptobenzothiazoleadsorption on local clay and activated carbon

DOI: 10.33224/rrch.2021.66.6.01

Rev. Roum. Chim., 2021, 66(6), 479-491

Key words: adsorption, activated carbon, bentonite, kinetic models.

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2. Ali MOGHIMI, Milad ABNIKI, Mehdi KHALAJ and Mahnaz QOMI

Construction of modified nanotube carbon carboxyl by new method and application in dispersive solid phase extraction for preconcentration of Ni 2+

DOI: 10.33224/rrch.2021.66.6.02

Rev. Roum. Chim., 2021, 66(6), 493-507

Key words: modified nanotube carbon carboxyl, preconcentration of heavy metals, Ni (II) ion, SPE.

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3. Fan QI, Sifan WANG, Chenli WEI, Zeyu GUO, Jirong SONG and Jie HUANG

Synthesis, crystal structure, quantum chemical calculation and molecular docking on (E)-1-(4-fluorobenzylidene)-4-(3,5-dimethylphenyl)thiosemicarbazone

DOI: 10.33224/rrch.2021.66.6.03

Rev. Roum. Chim., 2021, 66(6), 509-520

Key words: crystal structure, PES scan, Hirshfeld surface, quantum chemical calculation, molecular docking.

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4. Ali ŞENOL, Alparslan Kadir DEVRIM, Mert SUDAGIDAN and Veli Cengiz OZALP

An investigation on the DNA binding activities of melamine, cyanuric acid and uric acid

DOI: 10.33224/rrch.2021.66.6.04

Rev. Roum. Chim., 2021, 66(6), 521-526

Key words: DNA, melamine, cyanuric acid, uric acid, UV-absorbance, fluorescence spectrophotometry, agarose gel electrophoresis.

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5. Ilham ABDELMALEK, Meryem MOUFFOK, Lamia BENNABI, Abderrezzak MESLI, Kaddour GUEMRA and El Habib BELARBI

Preparation, characterization and microbiological activity of amoxicillin-loaded cellulose acetate phthalate /β-cyclodextrin based microspheres and their controlled release behavior

DOI: 10.33224/rrch.2021.66.6.05

Rev. Roum. Chim., 2021, 66(6), 527-536

Key words: amoxicillin, β-cyclodextrin, microencapsulation, drug release.

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6. Hossein HOSSEINI, Sepideh KETABI, Reza Rajaie KHORASANI and Farrokh Roya NIKMARAM

Interaction of selected amino acids in active site of BAX protein with two derivatives of syringic acid as an anti-cancer initiating process:A molecular simulation study

DOI: 10.33224/rrch.2021.66.6.06

Rev. Roum. Chim., 2021, 66(6), 537-545

Key words: BAX protein, syringic acid, Monte Carlo simulation, DFT, association free energy.

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7. Aysel BERKKAN and Onur Kenan ULUTAŞ

Analytical performance and validation of head space-gas chromatography-flame ionization detector (HS-GC-FID) method for alcohol content and evaluation of efficiency and possible toxicity of hand sanitizers at the time of pandemic

DOI: 10.33224/rrch.2021.66.6.07

Rev. Roum. Chim., 2021, 66(6), 547-556

Key words: HS-GC-FID, hand sanitizers, alcohol content, analytical performance and validation, COVID-19 pandemic.

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8. Hanene GHAZGHAZI, Badiaa ESSGHAIER, Ichrak CHARFI, Meriem ELALOUI, Moufida A. OUESLATI, Ridha BEN SALEM, Ghayth RIGANE and Touhami RZIGUI

Screening for biological activities of essentials oil profiles (GC-FID) and ethanolic extracts from Pinus brutia (Ten) and Pinus canariensis (C. Smith)

DOI: 10.33224/rrch.2021.66.6.08

Rev. Roum. Chim., 2021, 65(6), 557-565

Key words: Essential oil, ethanolic extract, antimicrobial, antifungal, Pinus brutia, Pinus canariensis, food.

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9. Mihaela BULEANDRĂ, Anton Alexandru CIUCU, Iulia Gabriela DAVID, Dana Elena POPA, Adela Magdalena CIOBANU and Cristian Dragoş ŞTEFĂNESCU

Simultaneous determination of epinephrine and norepinephrine by electrochemical reduction at the pre-treated pencil graphite electrode

DOI: 10.33224/rrch.2021.66.6.09

Rev. Roum. Chim., 2021, 66(6), 567-572

Key words: disposable sensor, catecholamines, voltammetry, biological samples.

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10. Iulia Gabriela DAVID, Marian Gabriel GÂSNAC, Mihaela BULEANDRĂ and Dana Elena POPA

Simple and fast square wave voltammetric method for histamine H2-receptor antagonist famotidine quantification

DOI: 10.33224/rrch.2021.66.6.10

Rev. Roum. Chim., 2021, 66(6), 573-578

Key words: famotidine, square wave voltammetry, pencil graphite electrode.

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No 5 / 2021

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1. Mallikarnunagouda PATIL

Synthesis and characterization of zinc oxide based poly vinylalcohol nanocomposite membranes and their fuel cell measurement

DOI: 10.33224/rrch.2021.66.5.01

Rev. Roum. Chim., 2021, 66(5), 391-397

Key words: proton exchange fuel cell, poly vinylalcohol, metal oxide nanoparticles, nanocomposite.

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2. Leyla MEHIAOUI, Ahmed BENALI, Lahcene TENNOUGA, Brahim BOURAS and Kouider MEDJAHED

Polyelectrolyte complexes formation based on carboxymethylcellulose sodium salt (NaCMC) and quaternized poly(4-vinylpyridine) (QP4VP)

DOI: 10.33224/rrch.2021.66.5.02

Rev. Roum. Chim., 2021, 66(5), 399-407

Key words: PECs, QP4VP, NaCMC, interaction, rheology.

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3. Tian-shan WANG

Study of ring-open fragmentation in two rosane-type diterpenoid lactones by ESI-MSn (quadrupole time-of-flight and ion trap)

DOI: 10.33224/rrch.2021.66.5.03

Rev. Roum. Chim., 2021, 66(5), 409-416

Key words: fragmentation, rosane-type diterpenoid lactones, multi-stage ESI-MS.

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4. Dana Maria POPESCU-SPINENI, Alexandru Constantin MOLDOVEANU, Petru ARMEAN, Constantin IONESCU-TÎRGOVIŞTE, Costin MILITARU and Anca Magdalena MUNTEANU

Antimicrobial effect of Cannabis sativa L.

DOI: 10.33224/rrch.2021.66.5.04

Rev. Roum. Chim., 2021, 66(5), 417-422

Key words: Cannabis sativa, antimicrobial properties, microbial resistance, microbial infections.

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5. Shuangmei YAN, Zebao ZHENG, Yue CUI, Yaxuan MI, Hongmei LIU, Xiaolong ZHAO and Duqiang LUO

C-MYC G-quadruplex stabilization and cytotoxicity of an oxadiazole-bearing ruthennium(II) complex

DOI: 10.33224/rrch.2021.66.5.05

Rev. Roum. Chim., 2021, 66(5), 423-433

Key words: ruthenium, C-myc G-quadruplex, cytotoxicity.

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6. Dana Maria POPESCU-SPINENI, Răzvan CHIVU, Alexandru Constantin MOLDOVEANU, Constantin IONESCU-TÎRGOVIŞTE and Anca Magdalena MUNTEANU

Considerations on the therapeutical potential of medicinal cannabis, from a biochemical view

DOI: 10.33224/rrch.2021.66.4.06

Rev. Roum. Chim., 2021, 66(4), 435-444

Key words: medicinal cannabis, biochemistry, endocannabinoid system, phytocannabinoids, epigenetics, public health.

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7. Chames Eddine FATMI, Souad BOUASLA and Mabrouk TEGUICHE

Reaction of some X-phenylazides derivatives with diethyl 1,3-acetonedicarboxylate

DOI: 10.33224/rrch.2021.66.5.07

Rev. Roum. Chim., 2021, 66(5), 445-448

Key words: phenyl azides, DEAD, condensation, EtONa, 1,4,5-trisubtituted 1,2,3-triazoles.

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8. Alexandra CROITORIU, Loredana E. NITA, Alina G. RUSU, Florica DOROFTEI and Liliana VERESTIUC

Co-assembled peptides hierarchically oriented for supramolecular gel formation

DOI: 10.33224/rrch.2021.66.5.08

Rev. Roum. Chim., 2021, 65(5), 449-458

Key words: FMOC-group, peptide hydrogels, co-assembly, low molecular weight gelators

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9. Niculae I. Ionescu

Concerning the formal kinetics of gas adsorption on solid surfaces

DOI: 10.33224/rrch.2021.66.5.09

Rev. Roum. Chim., 2021, 66(5), 459-461

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

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10. Dana GINGAŞU, Ioana MÎNDRU, Daniela C. CULIŢĂ, Luminiţa PREDOANĂ, Gabriela PETCU, Mădălina CIOBANU, Silviu PREDA, Jeanina PANDELE-CUŞU and Simona PETRESCU

MgO obtained by chemical and green synthesis methods and applied in photocatalytic degradation of methyl orange

DOI: 10.33224/rrch.2021.66.5.10Rev. Roum. Chim., 2021, 66(5), 463-473

Key words: MgO, complex precursors, cinnamon bark, photocatalytic activity.

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No 4 / 2021

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1. Alexandru TEPELUS, Raluca Elena DRAGOMIR and Paul ROSCA

Biojet from sugar derivatives

DOI: 10.33224/rrch.2021.66.4.01

Rev. Roum. Chim., 2021, 66(4), 313-320

Key words: biojet, farnesene, hydrotreating, catalyst.

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2. Ana NEACSU and Daniela GHEORGHE

Characterization of biomass renewable energy resources from some perennial species

DOI: 10.33224/rrch.2021.66.4.02

Rev. Roum. Chim., 2021, 66(4), 321-329

Key words: biomass, energy supplies, calorific power, fuel value index.

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3. Purnima NAG and Deepankar SHARMA

Synthesis, characterization and antifungal evaluation of some novel Mo(VI) complexes

DOI: 10.33224/rrch.2021.66.4.03

Rev. Roum. Chim., 2021, 66(4), 331-337

Key words: tetrachlorooxomolybdenum, dichlorooxomolybdenum(VI) complexes, anticandidal study.

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4. Erdal YABALAK and Elif Ayşe ERDOĞAN ELIUZ

Investigation of growth kinetics of some pathogenic bacteria in agrochemical wastewater treated by subcritical water oxidation method

DOI: 10.33224/rrch.2021.66.4.04

Rev. Roum. Chim., 2021, 66(4), 339-345

Key words: degradation, hazardous waste, RSM, subcritical water, microbial activity.

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5. Xian-You WANG, Zhao-Xi Zhou, Xin LIU, Jia-Yan ZHENG, Yan-Ping PANG, Wei WANG, Xin ZHAO and Guang-Chen WU

Synthesis and biological activities of some novel strobilurin derivatives containing 1, 2, 4-triazole moiety

DOI: 10.33224/rrch.2021.66.4.05

Rev. Roum. Chim., 2021, 66(4), 347-353

Key words: 1, 2, 4-triazole Schiff base, synthesis, strobilurin derivatives, antifungal activity.

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6. Anastasia GOROBET, Manuela E. CRISAN, Paulina N. BOUROSH and Lilia CROITOR

Structural investigation and Hirsfeld surface analysis of Cu(II) triethanolamine 4-nitrobenzoate

DOI: 10.33224/rrch.2021.66.4.06Rev. Roum. Chim., 2021, 66(4), 355-359

Key words: Cu(II) coordination compound, triethanolammonium 4-nitrobenzoate, crystal structure, intermolecular interactions, Hirshfeld surface analysis.

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7. Andreea Irina BARZIC, Raluca Marinica ALBU and Camelia HULUBEI

Polyimides containing chalcogen atoms in solution phase: viscoelasticity and interferometry analyses

DOI: 10.33224/rrch.2021.66.4.07

Rev. Roum. Chim., 2021, 66(4), 361-366

Key words: polyimides, flexibility, specific refractive index increment, viscoelasticity.

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8. Ioana Clementina CONSTANTINESCU, Angela NEDELCU, Marinela FLOREA, Andreea Alexandra IONESCU and Corina Cristina ARAMĂ

Extractive spectrophotometric methods for the assay of cyproheptadine hydrochloride using alizarin red S

DOI: 10.33224/rrch.2021.66.4.08

Rev. Roum. Chim., 2021, 65(4), 367-373

Key words: cyproheptadine hydrochloride, spectrophotometry, ion pair, alizarin red S.

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9. Simona Cristina RIZEA, Cătălina IONESCU, Andreea PÎRVU, Véronique BARRAGAN-MONTERO, Johny NEAMŢU

Synthesis of a hydroxybisphosphonic-derived amphiphilic compound

DOI: 10.33224/rrch.2021.66.4.09

Rev. Roum. Chim., 2021, 66(4), 375-380

Key words: liposomes, hydroxyapatite, hydroxybisphosphonic acid, amphiphilic compound.

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10. Raluca Marinica ALBU, Luminita Ioana BURUIANA, Simona Luminita NICA and Andreea Irina BARZIC

Molecular modeling, spectral and optical properties of HPMC in different solvents

DOI: 10.33224/rrch.2021.66.4.10

Rev. Roum. Chim., 2021, 66(4), 381-385

Key words: cellulose derivative, molecular modeling, UV-VIS spectroscopy, refractive index.

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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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