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 2021-05-01 to 2025-05-01.)

Article	Citations
Hirshfeld surface analysis and quantum chemical study of molecular structure of phosphate	62
Synthesis of some novel dipeptides and their copper(II) complexes of (dibenzo [b, d] furan-2-ylsulfonyl) phenylalanine	54
Development and validation of a single HPLC method for the determination of thirteen pharmaceuticals in bulk and tablet dosage form	43
Microrods synthesized of MoO3 with corn straw as biological templates and its electrochemical performance in aqueous aluminum-ion battery	40
Synthesis, characterization and antimicrobial activity of copper(II) Schiff base adducts of some p-substituted aniline Schiff bases	28
Effect of surfactants (cetyl trimethyl ammonium-bromide, ethyl di-tetra amine and polyacrylamide) on the synthesis of zinc oxide for photocatalytic application	26
Optimization of NaCl based spray corrosion test process parameters of heat treated hybrid metal matrix composites	24
Study on the engine characteristics (CI) of using pumpkin-maize-blended biodiesel mixed with additive (diethyl ether)	24
Biosorption of Ni(II) ions from aqueous solutions using Melia azedarach biomass	20
Synthesis, characterization, in-vitro anti-inflammatory and antimicrobial screening of metal(II) mixed diclofenac and acetaminophen complexes	18
Analytical methods for the quantification of ritonavir in pharmaceuticals, a comparative evaluation	16
Preparation, spectroscopic, cyclic voltammetry and DFT/TD-DFT studies on fluorescein charge transfer complex for photonic applications	13
Antioxidant constituents from the leaves of Piper crassipes Korth ex Miq. growing in Malaysia	12
Exploring the biological activity of organotin carboxylate complexes with 4-sulfosalicylic acid	12
Formulation and quality evaluation of ready-to-drink coffee brew from date seed powder	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
New Fe(III), Co(II), Ni(II), Cu(II), and Zn(II) mixed-ligand complexes: stractural, DFT, biological, and molecular docking studies	11
Greenness assessment of continuous FIA-spectrophotometric method for quantitation of oxymetazoline in bulk and pharmaceutical forms	10
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
Theoretical study on glucose and methylamine Maillard reaction: formation of the Amadori rearrangement products	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	8
Analytical data of Acacia nilotica var. Nilotica gum	8
Smartphones app as portable colorimetric sensor for low-cost quantification of safranin dye in aqueous solutions	8
Structural analysis of Val-Trp dipeptide: Molecular mechanics and DFT calculations	8

Synthesis, characterization, and biological evaluation of zinc(II) complexes with benzohydrazide derivative and phosphine ligands	8
Determination of organochlorine and organophosphorus pesticide residues in tomato, potato, and pineapple samples of selected farmlands in southwest Ethiopia	7
Inorganic tin(IV) complexes as photo-stabilizer for PVC	7
Antioxidant novel activities of curcumin complexes with Mg(II), Ca(II), Cu(II), Cr(III) and Se(IV) metal ions: synthesis and spectral studies	7
Synthesis, characterization, antimicrobial, antioxidant activities, and in silico study of new azo disperse dyes containing pyrazole and pyrazolo[1,5-a]pyrimidine rings	7
Chemical constituents of the leaves of Actinodaphne pruinosa	7
Removal of mercury(II) by tri n-butyl phosphate based supported liquid membrane	7
Optimization of modified QuEChERS method for extraction of selected pharmaceuticals from vegetable samples using HPLC	7
Major and heavy metals contents and health risk assessment of pumpkin peel, flesh and seed by microwave plasma-atomic emission spectroscopy	7
A stable electrochemical sensor for the detection of ascorbic acid based on Fe3O4/ZrO2 nano composite modified carbon paste electrode	7
Influence of heavy metal ions and storage time on hydroxymethylfurfural formation in honey collected from Ilu Woreda, Oromia Regional State, Ethiopia	6
Liquid-combustion synthesis of spinel LiMn2O4 cathode material for enhanced electrochemical performance lithium-ion batteries	6
Binuclear transition metal complexes containing 6 N moieties Schiff base ligand: Synthesis, characterization and microbicide activities	6
Synthesis, evaluation, and structural characterization of antioxidant diorganotin(IV) Complexes derived from ampicillin: a comprehensive study	6
Spectroscopic, physicochemical characterizations and photonics applications on boron subphthalocyanine chloride as organic electronics	6
Synthesis, characterisation and structural elucidation of novel 4-tert-butylbenzohydrazone and its Cu(II), Ni(II), Co(II) and Mn(II) complexes	6
Novel palladium(II) complex derived from mixed ligands of dithizone and triphenylphosphine synthesis, characterization, crystal structure, and DFT study	5
Study on effect of graphite electrode on accuracy of hole using electrochemical machining	5
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	5
Polycyclic aromatic hydrocarbons in harvested rainwater in Warri and Agbarho, Nigeria	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
Polyaniline/TiO2 nanocomposite for high performance supercapacitor	5
The applications of nanocatalysts in the synthesis of heterocyclic compounds	5
Manganese oxide-coffee husk and khat (Catha edulis) leftover biochar nanocomposites for removal of Cr(VI) from wastewater	5
Investigation of the effect of some polar organic solvents on the leaching and dissolution kinetics of chalcopyrite in hydrogen peroxide and sulfuric acid solution	5
Optical and phytochemical detection of decayed food items using yeast mediated silver nanoparticle	5
Evaluation of heavy metal accumulation in sediment, surface water and some plants in the Karasu Riparian Zone	5
Synthesis and biological evaluation of some hybrid 2-quinolinone derivatives containing cinnamic acid as anti-breast cancer 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
Impact of graphene oxide integration with ZnO nanoparticles on its photocatalytic, antimicrobial, and antioxidant activities	4
Fatty acid and essential oil compositions of seeds of coriander (Coriandrum sativum L.) Cultivated in different regions of Ethiopia	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
Production rate of heterocyclic compounds iodinated N-(p-chlorophenyl)-3,5- dimethyl-1,1-dioxo-1,2-thiazine	4
Synthesis and efficiency of new pyridine, chromene and thiazole containing compounds as antimicrobial and antioxidant agents	4
Facile synthesis of ZnO/RGO/Fe2O3 using macroalgae Caulerpa taxifolia as green reductor and its application as malachite green removal	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
Synthesis and characterization of ternary composite g-C3N4-WO3/rGO for photocatalytic activity in degradation of methylene blue	4
New approaches for the synthesis of chromene and quinoline derivatives and their anti-proliferative, morphological studies	4
Synthesis, structural characterization and nematicidal studies of some new N2O2 Schiff base metal complexes	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
Malachite green adsorption from aqueous medium by chitosan assisted silver nanoparticles (AgNPs): Isotherm and thermodynamics studies	4
Structural and optical characteristics of poly(vinyl alcohol)/carboxymethyl cellulose/ curcumin nanocomposites	4
Uncovering benzoquinone derivatives for redox flow batteries: DFT insights on reduction potentials and solvent effects	4
Secondary metabolites and essential oil analysis of Clematis simensis with antioxidant and antibacterial activities	4
Design, synthesis, and cytotoxic activity of some novel N-(substituted) benzamide derivatives bearing coumarin and 1-azocoumarin compounds	3
Boosted antibacterial efficacy: Di and triorganotin complexes via 2-[(2,3-dimethylphenyl)amino]benzoic acid	3
Preparation and physico-chemical properties of lanthanide(III) complexes with 2-((E)- (tert- butylimino)methyl)-6-methoxyphenol	3
Unveiling the novel anti-corrosion and anti-bacterial biofilm forming characteristics of eco-safe MWCNT-AZ91E alloy for food-processing surfaces	3
Investigation on silver-water nanofluid for development of new viscosity correlation	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

Primary GC-MS chemical analysis of alcoholic extract of Emex spinosa (L.) Campd. and screening of their antioxidant, antibacterial, and cytotoxic characteristics	3
Synthesis of some new thiophene-based compounds and evaluations of their cytotoxic activities	3
Investigation of adsorption of Basic Orange 2 dye on montmorillonite and error analysis	3
Schiff bases derived from 4-amino-N-substituted benzenesulfonamide: synthesis, spectral characterisation and MIC evaluation	3
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	3
Synthesis, characterization and DFT studies of Schiff bases of p-methoxysalicylaldehyde	3
An efficient ionic liquid-based cloud point extraction to preconcentrate mercury in environmental samples and hair of occupational workers before spectrophotometric detection	3
Green synthesis of copper nanoparticles from Terminalia arjuna (L.) bark extract: Characterization and potential for mercury degradation	3
Preparation of nanocomposites for corrosion treatment	3
Corrosion properties of tempered medium carbon steel in 1.0 M HCl and homemade vinegar	3
Quantification of phenolic compounds in dietary supplements and antioxidant activities	3
Preparation of flower-like hierarchical structure SnO2/g-C3N4 and its ethanol gas-sensitive properties	3
Theoretical study on the molecular and crystal structures of myricetin	3
Synthesis, characterization, biological activity, DFT and Hirshfeld surface studies of Pd(II) and Pt(II)-1-cyclohexyl-3-phenylthiourea and amine ligands	3
Geometry optimization and energy parameter calculations using density-functional theory method and molecular docking of anticonvulsant therapeutic metal complexes of gabapentin	3
Ascorbic acid content and the antioxidant activity of common fruits commercially available in Addis Ababa, Ethiopia	3
Investigating the comparative adsorption of methyl orange and methyl green on commercial bentonite	3
Synthesis, characterization, lipoxygenase, and tyrosinase inhibitory activities of non- cytotoxic titanium(III) and (IV) hydrazide complexes	3
Theoretical investigation of norfloxacin hybrid compounds with silver, copper, and gold metals as potential anticancer agents	3
Synthesis and spectroscopic characterizations of manganese(II), iron(III), copper(II) and zinc(II) hydrazine complexes as catalytic activity agents	3
Synthesis, characterization, DFT, molecular docking, and in vitro screening of metal chelates incorporating Schiff base	3
Study of electrochemical behavior of two chemically similar acridines: Tacrine and 9-aminoacridine on hanging mercury drop electrode	3
Synthesis, characterization, and computational analysis of chromium trioxide and amino acid-derived metal complexes	3
Photocatalytic oxidation of butan-2-ol over multi walled carbon nanotubes/cobalt phthalocynanine composites	3
Synthesis, characterization, density functional theory (DFT) analysis, and mesomorphic study of new thiazole derivatives	2
Chemical composition, antibacterial and antioxidant activities of essential oils from Ccyphostemma adenocaule and Ziziphus spinachristi	2
Synthesis, spectroscopic, biological and structural characterizations for the gold(III), platinum(IV), and Ruthenium(III) ceftriaxone drug complexes	2
TCS/ZnCl2 as a controlled reagent for the Michael addition and heterocyclic cyclization based on the phenyl pyrazolone scaffold with docking validation as a Covid-19 protease inhibitor	2
Levels of selected metals in the fruits of a wild edible plant (Rubus steudneri Schweinf) and its underlying soil	2
Facile synthesis and dyeing performance of some disperse monomeric and polymeric dyes on nylon and polyester fabrics	2
Algerian wild green carob (Ceratonia siliqua L.): Physicochemical characteristics and antioxidant potency	2
Synthesis and structural studies on zinc(II) macrocyclic and hetrocyclic complexes derived from schiff base and mixed ligands of 1,4-dihydroquinoxaline-2,3-dione, orthophenylene diamine and hydroquino	2
Heavy metal ions in polluted water removable by synthesising a new compounds for dithiocarbamate derivatives	2
New iron(III), cobalt(II), nickel(II), copper(II), zinc(II) mixed-ligand complexes: Synthesis, structural, DFT, molecular docking and antimicrobial analysis	2
Novel series of thiazole-based complxes; characterization, structural optimization, in-vitro and in-silico assessments against Covid-19 virus compared to Palxlovid drug	2
Effervescent-assisted deep eutectic solvent-based dispersive liquid-liquid microextraction of Cr(VI) in aqueous samples	2
Ultrasound-assisted dispersive liquid-liquid microextraction approach for preconcentration of acyclovir as antiviral drug in dosage forms prior to spectrophotometric determination	2
Isatin/thiosemicarbohydrazone hybrids: Facile synthesis, and their evaluation as anti-proliferatıve agents and metabolıc enzyme inhibitors	2
Analyzing cyclobutane: A vibrational hamiltonian approach using dynamical U(2) Lie Algebras	2
Silver nanoparticle-modified graphite pencil electrode for sensitive electrochemical detection of chloride ions in pharmaceutical formulations	2
Cytotoxic compounds from the root bark of Securidac alongipedunculata	2
Effect of HVOF parameter on titanium oxide (TiO2) coating characteristics on AZ81 magnesium alloy	2
New (2Z)-1-(2,4-dinitrophenyl)-2-[(2E)-3-(2-nitrophenyl)prop-2-en-1-ylidene]hydrazine and its V(II) and Ni(II) complexes: synthesis, characterization and in silico sars-CoV-2 inhibition studies	2
Essential oil and smoke components of Carissa spinarum	2
Highly sensitive zero-order emission system - fluorescence detection-liquid chromatographic method for simultaneous estimation of two banned phenyl xanthene dyes in bottled chili sauce	2
Synthesis, spectroscopic and biological characterizations of platinum(IV), ruthenium(III) and iridium(III) theophylline complexes	2
Design, synthesis of novel Schiff bases as potential insecticidal agents against Spodoptera frugiperda (Lepidoptera: Noctuidae)	2
Antioxidant properties of triphenyltin(IV) complexes derived from a novel ibuprofen-5-aminosalicylic acid ligand: synthesis and characterization	2
NMR characterization and free radical scavenging activity of pheophytin ‘A’ from the leaves of Dissotis rotundifolia	2
Enhance food security: Sustained release of clove essential oil microcapsules	2
Peroxidase-like activity of hemoglobin-based hybrid materials against different substrates and their enhanced application for H2O2 detection	2
Paper microfluidic device and spectrophotometry methods for colorimetric detection of phenylephrine hydrochloride in pure and pharmaceutical preparations	2
Preparation of voltammetric sensors for taurine detection from Cu(II)-loaded carbon materials	2
The magnetic characteristics and electronic configuration of GAN compound modified by individual impurities (Fe and Ni)	2
Investigation on sulfur substituted cadmium ions with superhydrophobic nature and long-term anticorrosion performance	2
Preparation and characterization of a mixed catalyst of cobalt and molybdenum carried on aluminum oxide prepared from bentonite ore	2
Synthesis, crystal structure, DFT calculation and Hirshfeld surface analysis of N-(4-methyl phenyl)-2-(3-nitro-benzamido) benzamide	2
Design and cytotoxic activity of thiazolidinones via one-pot, three component reaction under microwave and traditional method	2
Biogenic synthesis of silver nanoparticles using essential oil of aerial part of cyclospermum leptophyllum and their application in colorimetric determination of metallic ions	2
Synthesizing, characterization of some metal ion complexes with new azo dye and studying antioxidant and anticancer (MCF-7)	2
Efficient adsorption of Rhodamine B using a composite of Fe3O4@zif-8: Synthesis, characterization, modeling analysis, statistical physics and mechanism of interaction	2
Synthesis, characterization, theoretical study and biological evaluation of Schiff base and their La(III), Ce(IV) and UO2(II) complexes	2
Total phenolics and antioxidant capacity of the white and brown teff [Eragrostic tef (Zuccagni) trotter] varieties cultivated in different parts of Ethiopia	2
Synthesis, spectroscopic characterization, biological screening and POM analysis of potentially bioactive copper(II) carboxylate complexes	2
Exploring the half-metallic behavior and spintronic potential of Cr-doped CaTe	2
Theoretical and experimental investigation of thiourea derivatives: synthesis, crystal structure, in-silico and in-vitro biological evaluation	2
Co-ordination behaviour of hydrazine and isomers of acetoxy benzoic acids with transition metal ions	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
An integrated approach for the characterization of groundwater quality using multivariate statistical techniques and spatial analysis	2
Chemoselective metal free deallylation of α-allyl-phenyl-carboxylic esters under reduction condition	2
Volatile components of Dillenia reticulata King (Dilleniaceae) essential oil and their cytotoxicity	2
Preparation of TiO2-activated kaolinite composite for photocatalytic degradation of rhodamine B dye	2
Synthesis of biologically active xanthene, chromene, thiazole, thiophene, pyrazole, and isoxazole derivatives from camphor	2
Extraction and preconcentration of many metals ions by using CPE technique	2
Optimization of parameters for bio-ethanol production from sweet sorghum (Sorghum bicolor (L.) Moench) stalk juice and finger millet malt using Taguchi method	2