OOIR: Observatory of International Research

Papers

(The TQCC of Bulletin of the Chemical Society of Ethiopia is 2. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-11-01 to 2024-11-01.)

Article	Citations
Efficient adsorption of Rhodamine B using a composite of Fe3O4@zif-8: Synthesis, characterization, modeling analysis, statistical physics and mechanism of interaction	50
Synthesis, characterization and microstructural evaluation of ZnO nanoparticles by William-Hall and size-strain plot methods	42
Green synthesis of MgO nanoparticles using Moringa oleifera leaf aqueous extract for antibacterial activity	30
Studies on physico-mechanical behaviour of kenaf/glass fiber reinforced epoxy hybrid composites	28
Facile synthesis and dyeing performance of some disperse monomeric and polymeric dyes on nylon and polyester fabrics	23
Displacement cloud point extraction procedure for preconcentration of iron(III) in water and fruit samples prior to spectrophotometric determination	17
New iron(III), cobalt(II), nickel(II), copper(II), zinc(II) mixed-ligand complexes: Synthesis, structural, DFT, molecular docking and antimicrobial analysis	14
Levels of selected metals in teff grain samples collected from three different areas of Ethiopia by microwave plasma-atomic emission spectroscopy	13
Synthesis, characterization, in-vitro anti-inflammatory and antimicrobial screening of metal(II) mixed diclofenac and acetaminophen complexes	11
Determination of total phenolic, total flavonoid, ascorbic acid contents and antioxidant activity of pumpkin flesh, peel and seeds	11
Determination of fatty acids composition by GC-MS and physicochemical parameters of pumpkin (Cucurbita maxima) seed oil cultivated in Ethiopia	11
Experimental and theoretical investigations (FTIR, UV-VIS spectroscopy, HOMO-LUMO, NLO and MEP analysis) of aminothiophenol isomers	9
Decolorization of reactive azo dye by fenton and photo-fenton processes in aqueous solution: The influence of operating conditions, kinetics study, and performance comparison	8
Mineral contents of barley grains and its processed foods (kolo, porridge, bread and injera) consumed in Ethiopia	8
Synthesis, structural characterization and nematicidal studies of some new N2O2 Schiff base metal complexes	7
Development and validation of a single HPLC method for the determination of thirteen pharmaceuticals in bulk and tablet dosage form	7
New analytical methods for the determination of ascorbic acid content in aqueous extracts of flesh, peel and seeds of pumpkin (Cucurbita maxima)	7
Investigations on structural, optical, and impedance spectroscopy studies of titanium dioxide nanoparticles	7
Copper-based glass-ceramic as an efficient catalyst in the synthesis of pyrazolo[1,5-a] pyrimidineunder solvent-free condition with docking validation as Covid-19 main protease (Mpro) inhibitor	7
Preparation of TiO2-activated kaolinite composite for photocatalytic degradation of rhodamine B dye	7
Mixed isatin with 3-(2-(aryl)hydrazono)acetylacetone Mn(II), Co(II) and Ni(II) complexes: antibacterial evaluation and molecular properties prediction	6
Molecular structure and optical attributes of (Na-CMC/SA) natural polymer blend	6
Isatin/thiosemicarbohydrazone hybrids: Facile synthesis, and their evaluation as anti-proliferatıve agents and metabolıc enzyme inhibitors	6
Synthesis and characterization of CdS/UiO-66/Ag3PO4 nanocomposite for photocatalytic degradation of methyl orange under visible light irradiation	6
Novel palladium(II) complex derived from mixed ligands of dithizone and triphenylphosphine synthesis, characterization, crystal structure, and DFT study	6

Zinc(II) complex of (Z)-4-((4-nitrophenyl)amino)pent-3-en-2-one, a potential antimicrobial agent: synthesis, characterization, antimicrobial screening, DFT calculation and docking study	6
Theoretical and experimental investigation of thiourea derivatives: synthesis, crystal structure, in-silico and in-vitro biological evaluation	6
Green synthesis of silicon dioxide nanoparticles and L arginine@silicon dioxide nano- composites using cellulose of Zizyphus Spina-Christi along with biological evaluation	5
Three Co(II), Ni(II) and Cu(II) Schiff base complexes incorporating 2-[(4-{[(4-methylphenyl)sulfonothioyl]oxy}phenyl)methylene] amino}benzoic acid: Synthesis, structural, dft, biological and molecul	5
Total phenolics and antioxidant capacity of the white and brown teff [Eragrostic tef (Zuccagni) trotter] varieties cultivated in different parts of Ethiopia	5
Simulation studies on corrosion of stone coated roofing sheets sold in Nigeria	5
Synthesis, characterization, structure determination from powder X-ray diffraction data, and biological activity of azo dye of 3-aminopyridine and its complexes of Ni(II) and Cu(II)	5
Chemical composition and antibacterial activity of essential oils from various parts of Gladiolus candidus, Ranunculus multifidus, Artemisia abyssinica and Crinum abyscinicum	5
An efficient ionic liquid-based cloud point extraction to preconcentrate mercury in environmental samples and hair of occupational workers before spectrophotometric detection	5
Phytochemical studies of Melilotus officinalis	5
Electrochemical micromachining and parameter optimization on AZ31 alloy—ANN and TOPSIS techniques	5
Interactions mechanism of commonly used drugs for the treatment of Covid-19	5
Effect of aluminum oxide on the structure and conduction behaviors of silver borate glasses	4
Novel and high efficient cycloaddition of CO2 with epoxides to cyclic carbonates over reusable mesoporous KIT-6 supported imidazolium lactate catalyst	4
Chemical constituents and acetylcholinesterase inhibitory activity of Beilschmiedia insignis Gamble	4
A comprehensive study on optical features, gamma photon buildup factors and neutron shielding capability of B2O3-SB2O3-LI2O-BI2O3 glasses	4
GC-MS and GC-FID analysis of volatile secondary metabolites of the root of Anaphalis contorta Hook F. from India	4
Optimization of NaCl based spray corrosion test process parameters of heat treated hybrid metal matrix composites	4
Synthesis, spectroscopic characterization, biological screening and POM analysis of potentially bioactive copper(II) carboxylate complexes	4
Major and heavy metals contents and health risk assessment of pumpkin peel, flesh and seed by microwave plasma-atomic emission spectroscopy	4
Schiff bases derived from 4-amino-N-substituted benzenesulfonamide: synthesis, spectral characterisation and MIC evaluation	4
Chemical constituents and acetylcholinesterase inhibitory activity of Piper abbreviatum Opiz	4
Nonlinear optical characteristics of N,N’-bis(salicylidene)-p-phenylenediamine: Z-scan technique and quantum mechanical calculations	4
Determination of organochlorine and organophosphorus pesticide residues in tomato, potato, and pineapple samples of selected farmlands in southwest Ethiopia	4
Spectroscopic, thermal analyses, XRD spectra and nematicidal activity study of some new N2O2 tetradentate Schiff base metal ions complexes	4
Benzoic acid derivatives: Anti-biofilm activity in Pseudomonas aeruginosa PAO1, quantum chemical calculations by DFT and molecular docking study	3
Design, synthesis of novel Schiff bases as potential insecticidal agents against Spodoptera frugiperda (Lepidoptera: Noctuidae)	3
Solid-state synthesis and physico-chemical characterization of modified smectites using natural clays from Burkina Faso	3
Polypyrrole–polyaniline-water hyacinth leaf protein concentrate composite for the removal of Cr(VI) from aqueous solution: kinetics, isotherm and thermodynamic studies	3
Physicochemical properties, chemical components, and antibacterial activity of Melaleuca cajuputi Powell essential oil leaves from Quang Tri Province, Vietnam	3
Magnetic coffee residue biosorbent for selective extraction of zinc oxide nanoparticles in water samples	3
Evaluation of risk caused by intake of trace metal through consumption of Pleurotus tuber-regium collected around automobile village in Abia State	3
Peroxidase-like activity of hemoglobin-based hybrid materials against different substrates and their enhanced application for H2O2 detection	3
Cytotoxic compounds from the root bark of Securidac alongipedunculata	3
Synthesis, characterization and urease inhibitory activities of Zn(II) complexes bearing C1-symmetric ligands derived from (R)-phenylethanamine	3
Kinetics and mechanistics steps to the electron transfer reaction of peroxo-bridged binuclear cobalt(III) complex of succinimide by glycine in aqueous acidic medium	3
Synthesis of some new antipyrine-thiophene hybrids and their evaluations as antioxidant and antibacterial agents	3
Primary GC-MS chemical analysis of alcoholic extract of Emex spinosa (L.) Campd. and screening of their antioxidant, antibacterial, and cytotoxic characteristics	3
Preparation and chemical study on metallic bonding with antibiotics in nanometer form to raise the therapeutic efficiency: structural characterizations of Cu(II), Co(II) and Ni(II) 6-aminopenicillinic	3
Adsorption of lead(II) ions using KOH-activated carbon derived from water hyacinth	3
Novel synthesis of pyran-3-hydrazide derivatives and their uses to the synthesis hydrazide-hydrazone, pyrazole and thiazole derivatives with anticancer activities	3
Mn(II), Co(II), Ni(II), and Cu(II) complexes of amino acid derived Schiff base ligand: Synthesis, characterization and in-vitro antibacterial investigations	3
Levels of selected metals in the fruits of a wild edible plant (Rubus steudneri Schweinf) and its underlying soil	3
Novel 6-aryl-7-alkyl/aryl-[1,2,4]triazolo[4,3-a][1,3,5]triazine-5(6H)-thiones, processes for their preparation, characterization and evaluation of their in vitro antioxidant activity	3
Synthesis and efficiency of new pyridine, chromene and thiazole containing compounds as antimicrobial and antioxidant agents	3
Evaluation of heavy metal accumulation in sediment, surface water and some plants in the Karasu Riparian Zone	3
Investigation of the effect of some polar organic solvents on the leaching and dissolution kinetics of chalcopyrite in hydrogen peroxide and sulfuric acid solution	3
Synthesis of some new thiophene-based compounds and evaluations of their cytotoxic activities	3
Study of the histidine complex of uranium(IV): synthesis, spectrophotometric, magnetic and electrochemical properties	3
Effect of stabilizer on optical band gap of ZnO and their performance in dye-sensitized solar cells	3

Chemical constituents of Eremomastax speciosa (Hochst.) Cufod leaves and its cytotoxic potential on NIH-3T3 cells	3
Synthesis, characterization and DFT studies of Schiff bases of p-methoxysalicylaldehyde	3
Determination of heavy metals in cement dust, top soil and teff around Habesha and Mugher cement factory, Oromia Regional State, Ethiopia	3
Essential oil and smoke components of Carissa spinarum	3
Photocatalytic degradation efficiency of azo dye in aqueous phase using different photo catalysts	3
Anti-cancer Schiff bases as photostabilizer for poly(vinyl chloride)	2
Synthesis, characterization, biological activity, molecular docking and thermal analysis of binuclear complexes	2
Tetradentate azo Schiff base Ni(II), Pd(II) and Pt(II) complexes: Synthesis, spectral properties, antibacterial activity, cytotoxicity and docking studies	2
Silver nanoparticle-modified graphite pencil electrode for sensitive electrochemical detection of chloride ions in pharmaceutical formulations	2
The effect of graphite composition on polyaniline film performance for formalin gas sensor	2
Ascorbic acid content and the antioxidant activity of common fruits commercially available in Addis Ababa, Ethiopia	2
Synthesis and characterization of ternary composite g-C3N4-WO3/rGO for photocatalytic activity in degradation of methylene blue	2
Photocatalytic oxidation of butan-2-ol over multi walled carbon nanotubes/cobalt phthalocynanine composites	2
Synthesis, characterization, and photocatalytic efficiency of a new smart PdO oxide nanomaterials for using in the recycling and sustainable wastewater treatment	2
Synthesis, characterization, theoretical study and biological evaluation of Schiff base and their La(III), Ce(IV) and UO2(II) complexes	2
Optimization of ultrasound-assisted extraction of phenolic compounds from fresh Moringa oleifera leaves with a response surface methodology and comparison with the Soxhlet extraction method	2
SALLE combined with LD-DLLME for pesticides analysis in sugar and soil samples	2
Adsorption of diazo dye direct red-28 and tetra-azo dye direct black-22 using calcined kaolin in aqueous solutions	2
Electrochemical study of modified glassy carbon electrode with polyaniline nanoparticles using cyclic voltammetry	2
Preparation, spectroscopic, thermal and molecular docking studies of covid-19 protease on the manganese(II), iron(III), chromium(III) and cobalt(II) creatinine complexes	2
Zeolite A/ZnCl2 nanoparticles as a catalyst for eco-friendly synthesis of pyrazole-1- carbothioamides with docking validation as Covid-19 main protease (MPRO) inhibitor	2
Synthesis, structural elucidation and electrochemical behavior of some oxime-phenylalanine mixed ligand complexes	2
NMR characterization and free radical scavenging activity of pheophytin ‘A’ from the leaves of Dissotis rotundifolia	2
Studies of quantum mechanics/molecular docking on zanubrutinib as potential repurposed against Covid-19	2
Biflavonoids from the roots of Rhus ruspolii and evaluations of their antioxidant activities	2
Investigation on silver-water nanofluid for development of new viscosity correlation	2
Antioxidant and cytotoxic activities of different solvent fractions from Murraya koenigii shoots: HPLC quantification And molecular docking of identified phenolics with anti-apoptotic proteins	2
Chemical composition and anti-inflammatory activity of essential oils from resin of Commiphora species	2
Volatile components of Dillenia reticulata King (Dilleniaceae) essential oil and their cytotoxicity	2
Efficient removal of methyl orange using magnesium oxide nanoparticles loaded onto activated carbon	2
One-pot mediated synthesis of pyrimidine and quinazoline annulated derivatives of nitrogen containing five membered rings through their nitrile derivatives as antibacterial agents	2
Synthesis and biological evaluation of some hybrid 2-quinolinone derivatives containing cinnamic acid as anti-breast cancer drugs	2
Rapid and efficient determination of zinc in water samples by graphite furnace atomic absorption spectrometry after homogeneous liquid-liquid microextraction via flotation assistance	2
Synthesis and characterization of a new azo quinoline ligand and its metal complexes with spectrophotometric determination and biological efficacy study of its Hg(II) complex	2
Solvent free synthesis of hydrazine carbothioamide derivatives as a precursor in the preparation of new mononuclear Mn(II), Cu(II), and Zn(II) complexes: Spectroscopic characterizations	2
Multi-component reactions of cyclohexan-1,3-dione to synthesize heterocyclic derivatives with c-Met enzymatic activity, anti-prostate, anti-proliferative and tyrosine kinase activities	2
Paper microfluidic device and spectrophotometry methods for colorimetric detection of phenylephrine hydrochloride in pure and pharmaceutical preparations	2
Synthesis, characterization, antimicrobial studies, and molecular docking studies of transition metal complexes formed from a benzothiazole-based azo ligand	2
Parameters for the conductometric association for lump and nano CoSO4.7H2O in the presence and absence of fuchsin acid in water at different temperature	2
Al2O3/Fe3O4/ZrO2 ternary oxide sorbent: Synthesis, characterization and sorption behavior to fluoride and phosphate ions from aqueous solution	2
Efficient removal of methylene blue dye from aqueous solution using a new biosorbent derived from Ensete ventricosum (Enset)	2
Investigation of adsorption of Basic Orange 2 dye on montmorillonite and error analysis	2
Synthesis, characterization and antimicrobial activities of heteroleptic metal chelates of isoniazid and 2,2’-bipyridine	2
Determination of 2,4-dichlorophenoxyacetic acid in water, sediment and soil using high performance liquid chromatography	2
In vitro antifungal, anti-inflammatory and cytotoxic activities of Rumex abyssinicus rhizome extract and bioassay-guided isolation of cytotoxic compounds from Rumex abyssinicus	2
Synthesis, characterization and structural study of Fe(III) complex derived from sodium dodecyl benzene sulfonate	2
Investigation and characteristics of AZ91 magnesium metal matrix composite using the powder metallurgy process	2
Preparation, spectroscopic, cyclic voltammetry and DFT/TD-DFT studies on fluorescein charge transfer complex for photonic applications	2
Levels of major and trace metals in eggplant and soil	2
Luminescent, sorptive and antibacterial potential of bismuth-organic framework	2
Structural and optical characteristics of poly(vinyl alcohol)/carboxymethyl cellulose/ curcumin nanocomposites	2
Spectrophotometric detection of uric acid with enzyme-like reaction mediated 3,3′,5,5′-tetramethylbenzidine oxidation	2
Investigation of turbidity removal and energy consumption from pistachio processing industry wastewater by electro-oxidation process	2