OOIR: Observatory of International Research

Papers

(The TQCC of Bulletin of the Chemical Society of Ethiopia is 3. 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 2021-09-01 to 2025-09-01.)

Article	Citations
Hirshfeld surface analysis and quantum chemical study of molecular structure of phosphate	65
Synthesis of some novel dipeptides and their copper(II) complexes of (dibenzo [b, d] furan-2-ylsulfonyl) phenylalanine	62
Analytical methods for the quantification of ritonavir in pharmaceuticals, a comparative evaluation	45
Study on the engine characteristics (CI) of using pumpkin-maize-blended biodiesel mixed with additive (diethyl ether)	35
Optimization of NaCl based spray corrosion test process parameters of heat treated hybrid metal matrix composites	25
Effect of surfactants (cetyl trimethyl ammonium-bromide, ethyl di-tetra amine and polyacrylamide) on the synthesis of zinc oxide for photocatalytic application	25
Antioxidant constituents from the leaves of Piper crassipes Korth ex Miq. growing in Malaysia	25
Formulation and quality evaluation of ready-to-drink coffee brew from date seed powder	20
Exploring the biological activity of organotin carboxylate complexes with 4-sulfosalicylic acid	15
Lipoxygenase inhibitory activity of phytoconstituents isolated from the rhizomes of Boesenbergia albosanguinea (Ridl.) Loes.	14
Biosorption of Ni(II) ions from aqueous solutions using Melia azedarach biomass	14
Exploration of novel sulfoanhydride derivatives and their metal complexes: Design, characterization, and bioactivity evaluation in vitro and in silico study	13
Preparation, spectroscopic, cyclic voltammetry and DFT/TD-DFT studies on fluorescein charge transfer complex for photonic applications	12
Density functional theory study on the crystal structure of quercetin	11
Efficient removal of methyl orange using magnesium oxide nanoparticles loaded onto activated carbon	11
Microrods synthesized of MoO3 with corn straw as biological templates and its electrochemical performance in aqueous aluminum-ion battery	11
Synthesis, characterization and bioactive evaluation of cobalt(II) and copper(II) complexes of {4-[5-(5-sulfanylidene-2,5-dihydro-1H-1,2,4-triazol-3-yl) furan-2-yl] phenyl} acetic acid	10
Greenness assessment of continuous FIA-spectrophotometric method for quantitation of oxymetazoline in bulk and pharmaceutical forms	10
Structural analysis of Val-Trp dipeptide: Molecular mechanics and DFT calculations	9
Polyaniline-coated activated carbon from Prosopis juliflora for hexavalent chromium removal in aqueous solutions	9
Risk assessment of heavy metals and polycyclic aromatic hydrocarbons in ground water samples around the vicinity of an asphalt plant in north central, Nigeria	9
Synthesis and characterization of complexes formed by Fe(III), Cr(III), Co(II), Cu(II), Cd(II), and Ag(I) ions with the drug captopril and the amino acid glycine	9
Optimizing synthesis: Schiff base derivatives produced via one-pot grinding method and their biological activity exploration	9
New Fe(III), Co(II), Ni(II), Cu(II), and Zn(II) mixed-ligand complexes: stractural, DFT, biological, and molecular docking studies	9
Smartphones app as portable colorimetric sensor for low-cost quantification of safranin dye in aqueous solutions	8

Antioxidant novel activities of curcumin complexes with Mg(II), Ca(II), Cu(II), Cr(III) and Se(IV) metal ions: synthesis and spectral studies	8
Optimization of modified QuEChERS method for extraction of selected pharmaceuticals from vegetable samples using HPLC	8
Chracterization of the complexation between indium(III) and zirocnium(IV) ions with the drug procaine: Spectral analysis, thermal properties, and microscopic imaging	8
Analytical data of Acacia nilotica var. Nilotica gum	8
Synthesis, characterization, antimicrobial, antioxidant activities, and in silico study of new azo disperse dyes containing pyrazole and pyrazolo[1,5-a]pyrimidine rings	8
Inorganic tin(IV) complexes as photo-stabilizer for PVC	8
Determination of organochlorine and organophosphorus pesticide residues in tomato, potato, and pineapple samples of selected farmlands in southwest Ethiopia	8
Synthesis, characterization, and biological evaluation of zinc(II) complexes with benzohydrazide derivative and phosphine ligands	8
Theoretical study on glucose and methylamine Maillard reaction: formation of the Amadori rearrangement products	8
Removal of mercury(II) by tri n-butyl phosphate based supported liquid membrane	7
A stable electrochemical sensor for the detection of ascorbic acid based on Fe3O4/ZrO2 nano composite modified carbon paste electrode	7
Spectroscopic, physicochemical characterizations and photonics applications on boron subphthalocyanine chloride as organic electronics	7
Binuclear transition metal complexes containing 6 N moieties Schiff base ligand: Synthesis, characterization and microbicide activities	7
Chemical composition of essential oil of Acacia crassicarpa Benth. (Fabaceae) from Vietnam	7
Synthesis, evaluation, and structural characterization of antioxidant diorganotin(IV) Complexes derived from ampicillin: a comprehensive study	7
Influence of heavy metal ions and storage time on hydroxymethylfurfural formation in honey collected from Ilu Woreda, Oromia Regional State, Ethiopia	7
Major and heavy metals contents and health risk assessment of pumpkin peel, flesh and seed by microwave plasma-atomic emission spectroscopy	7
Cerric ammonium nitrate catalyzed eco-friendly green synthesis of chitosan Schiff base using PEG-400 as an anticancer agent against gastric cancer cells via inhibiting EGFR	7
Synthesis, characterisation and structural elucidation of novel 4-tert-butylbenzohydrazone and its Cu(II), Ni(II), Co(II) and Mn(II) complexes	7
Polyaniline/TiO2 nanocomposite for high performance supercapacitor	6
Investigation of the effect of some polar organic solvents on the leaching and dissolution kinetics of chalcopyrite in hydrogen peroxide and sulfuric acid solution	6
The applications of nanocatalysts in the synthesis of heterocyclic compounds	6
Evaluation of heavy metal accumulation in sediment, surface water and some plants in the Karasu Riparian Zone	6
Chemical constituents of the leaves of Actinodaphne pruinosa	6
Novel palladium(II) complex derived from mixed ligands of dithizone and triphenylphosphine synthesis, characterization, crystal structure, and DFT study	6
Polycyclic aromatic hydrocarbons in harvested rainwater in Warri and Agbarho, Nigeria	5
New approaches for the synthesis of chromene and quinoline derivatives and their anti-proliferative, morphological studies	5
Malachite green adsorption from aqueous medium by chitosan assisted silver nanoparticles (AgNPs): Isotherm and thermodynamics studies	5
Synthesis, spectral characterization and biological studies of Co(II) complexes with Schiff bases derived from sulpha drugs	5
Water-soluble total sugars and total free amino acids of the two varieties of teff [Eragrostic tef (Zuccagni) Trotter] cultivated in different regions of Ethiopia	5
Liquid-combustion synthesis of spinel LiMn2O4 cathode material for enhanced electrochemical performance lithium-ion batteries	5
Secondary metabolites and essential oil analysis of Clematis simensis with antioxidant and antibacterial activities	5
Facile synthesis of ZnO/RGO/Fe2O3 using macroalgae Caulerpa taxifolia as green reductor and its application as malachite green removal	5
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	5
Chemical quantitative and spectroscopic study of a new derivative of dapsone drug and some of its new complexes Zn(II), Cd(II) and Hg(II) as antibacterial agents	5
Manganese oxide-coffee husk and khat (Catha edulis) leftover biochar nanocomposites for removal of Cr(VI) from wastewater	5
Production rate of heterocyclic compounds iodinated N-(p-chlorophenyl)-3,5- dimethyl-1,1-dioxo-1,2-thiazine	5
Synthesis and efficiency of new pyridine, chromene and thiazole containing compounds as antimicrobial and antioxidant agents	5
Synthesis and biological evaluation of some hybrid 2-quinolinone derivatives containing cinnamic acid as anti-breast cancer drugs	5
Optical and phytochemical detection of decayed food items using yeast mediated silver nanoparticle	5
Study on effect of graphite electrode on accuracy of hole using electrochemical machining	5
Investigation on silver-water nanofluid for development of new viscosity correlation	4
Uncovering benzoquinone derivatives for redox flow batteries: DFT insights on reduction potentials and solvent effects	4
Structural and optical characteristics of poly(vinyl alcohol)/carboxymethyl cellulose/ curcumin nanocomposites	4
An efficient ionic liquid-based cloud point extraction to preconcentrate mercury in environmental samples and hair of occupational workers before spectrophotometric detection	4
Synthesis, characterization, lipoxygenase, and tyrosinase inhibitory activities of non- cytotoxic titanium(III) and (IV) hydrazide complexes	4
Ascorbic acid content and the antioxidant activity of common fruits commercially available in Addis Ababa, Ethiopia	4
Synthesis, characterization and DFT studies of Schiff bases of p-methoxysalicylaldehyde	4
Synthesis and characterization of ternary composite g-C3N4-WO3/rGO for photocatalytic activity in degradation of methylene blue	4
Synthesis, spectoscopic, thermal, and mophological studies of metal-based complexes derived from the reaction of cinchonine with manganese(II), nickel(II), and zinc(II) ions	4

Synthesis, spectral studies and antioxidant study of metal-coordinated azo-dye of pyridine and its analytical application for spectrophotometric micro-determination of copper(II)	4
Synthesis, structural characterization and nematicidal studies of some new N2O2 Schiff base metal complexes	4
Mixed ligands of (E)-1-(3-(((1H-1,2,4-triazol-3-yl)imino)methyl)-4-hydroxy-5- methoxyphenyl)ethan-1-one and chloroanilic acid: Synthesis, characterization and thermal stability study	4
Design, synthesis, and cytotoxic activity of some novel N-(substituted) benzamide derivatives bearing coumarin and 1-azocoumarin compounds	4
Preparation of nanocomposites for corrosion treatment	4
Investigating the comparative adsorption of methyl orange and methyl green on commercial bentonite	4
Preparation and physico-chemical properties of lanthanide(III) complexes with 2-((E)- (tert- butylimino)methyl)-6-methoxyphenol	4
Enhancing efficiency and thermal stability of amino benzotriazole fluorescent dye via ligand-to-metal charge transfer reactions for solar cell applications: A comprehensive compositional and spectros	4
Impact of graphene oxide integration with ZnO nanoparticles on its photocatalytic, antimicrobial, and antioxidant activities	4
Synthesis and characterization of a number of complexes of Pt(II), Pd(II), Cd(II) and Zn(II) with new ligands containing oxygen	4
Fatty acid and essential oil compositions of seeds of coriander (Coriandrum sativum L.) Cultivated in different regions of Ethiopia	4
Unveiling the novel anti-corrosion and anti-bacterial biofilm forming characteristics of eco-safe MWCNT-AZ91E alloy for food-processing surfaces	4
Computational details of molecular structure, spectroscopic properties, DFT calculations and molecular docking study of some 1,4-disubstituted-1,2,3-triazole derivatives derived from 4-aminobenzen su	4
Boosted antibacterial efficacy: Di and triorganotin complexes via 2-[(2,3-dimethylphenyl)amino]benzoic acid	4
Theoretical investigation of norfloxacin hybrid compounds with silver, copper, and gold metals as potential anticancer agents	4
Synthesis, characterization and spectroscopic study of nickel(II), palladium(II) and platinum(IV) complexes with mixed ligands of (Z)-N'-(furan-3- ylmethylene)isonicotinohydrazide-chloroanilic acid	4
Corrosion properties of tempered medium carbon steel in 1.0 M HCl and homemade vinegar	3
Synthesis, characterization, density functional theory (DFT) analysis, and mesomorphic study of new thiazole derivatives	3
The magnetic characteristics and electronic configuration of GAN compound modified by individual impurities (Fe and Ni)	3
Chemical composition, antibacterial and antioxidant activities of essential oils from Ccyphostemma adenocaule and Ziziphus spinachristi	3
Extraction and preconcentration of many metals ions by using CPE technique	3
Aqueous medium synthesis, characterization and evaluation of the antioxidant and antibacterial activities of new pyrimidine-and purine-ligated pyrrole	3
Synthesis, characterization, DFT, molecular docking, and in vitro screening of metal chelates incorporating Schiff base	3
Synthesis and spectroscopic characterizations of manganese(II), iron(III), copper(II) and zinc(II) hydrazine complexes as catalytic activity agents	3
Green synthesis of copper nanoparticles from Terminalia arjuna (L.) bark extract: Characterization and potential for mercury degradation	3
Selective solvent extraction followed by solid-phase clean-up for quantitative enrichment of trace level multiclass pesticide residues in the honey samples for GC-ECD determination	3
Capturing Mn(II), Zn(II), and Cd(II) ions using gallic acid: Synthesis, spectroscopic analysis, thermal stability, and microscopic imaging	3
Investigation of adsorption of Basic Orange 2 dye on montmorillonite and error analysis	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
Effect of HVOF parameter on titanium oxide (TiO2) coating characteristics on AZ81 magnesium alloy	3
Effervescent-assisted deep eutectic solvent-based dispersive liquid-liquid microextraction of Cr(VI) in aqueous samples	3
Theoretical and experimental investigation of thiourea derivatives: synthesis, crystal structure, in-silico and in-vitro biological evaluation	3
New iron(III), cobalt(II), nickel(II), copper(II), zinc(II) mixed-ligand complexes: Synthesis, structural, DFT, molecular docking and antimicrobial analysis	3
Primary GC-MS chemical analysis of alcoholic extract of Emex spinosa (L.) Campd. and screening of their antioxidant, antibacterial, and cytotoxic characteristics	3
Synthesizing, characterization of some metal ion complexes with new azo dye and studying antioxidant and anticancer (MCF-7)	3
Theoretical study on the molecular and crystal structures of myricetin	3
Preparation of TiO2-activated kaolinite composite for photocatalytic degradation of rhodamine B dye	3
Study of electrochemical behavior of two chemically similar acridines: Tacrine and 9-aminoacridine on hanging mercury drop electrode	3
Cytotoxicity of compounds isolated from Euphorbia abyssinica: A combined experimental and docking studies	3
Schiff bases derived from 4-amino-N-substituted benzenesulfonamide: synthesis, spectral characterisation and MIC evaluation	3
Quantification of phenolic compounds in dietary supplements and antioxidant activities	3
Synthesis, characterization, biological activity, DFT and Hirshfeld surface studies of Pd(II) and Pt(II)-1-cyclohexyl-3-phenylthiourea and amine ligands	3
Silver nanoparticle-modified graphite pencil electrode for sensitive electrochemical detection of chloride ions in pharmaceutical formulations	3
Design and cytotoxic activity of thiazolidinones via one-pot, three component reaction under microwave and traditional method	3
Synthesis of some new thiophene-based compounds and evaluations of their cytotoxic activities	3
Efficient adsorption of Rhodamine B using a composite of Fe3O4@zif-8: Synthesis, characterization, modeling analysis, statistical physics and mechanism of interaction	3
Assessment of the eco-friendliness profiles of spectrophotometric methods for the quantification of vonoprazan fumarate in pharmaceutical formulations utilizing N-bromosuccinimide	3
Isatin/thiosemicarbohydrazone hybrids: Facile synthesis, and their evaluation as anti-proliferatıve agents and metabolıc enzyme inhibitors	3
Preparation of flower-like hierarchical structure SnO2/g-C3N4 and its ethanol gas-sensitive properties	3
Preparation and characterization of a mixed catalyst of cobalt and molybdenum carried on aluminum oxide prepared from bentonite ore	3
Geometry optimization and energy parameter calculations using density-functional theory method and molecular docking of anticonvulsant therapeutic metal complexes of gabapentin	3
Photocatalytic oxidation of butan-2-ol over multi walled carbon nanotubes/cobalt phthalocynanine composites	3
Synthesis, characterization, and computational analysis of chromium trioxide and amino acid-derived metal complexes	3