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 2021-04-01 to 2025-04-01.)

Article	Citations
Multi-response optimization of the characteristics of wooden fuel sources for boiler applications	61
Synthesis and characterization of inclusion complex of -cyclodextrin and triazole picrate	52
Design, synthesis, and cytotoxic activity of some novel N-(substituted) benzamide derivatives bearing coumarin and 1-azocoumarin compounds	41
Synthesis, characterization, POM analyses and biological evaluation of n-[(2-methoxy-5- nitrophenyl)]-4-oxo-4-[oxy] butenamide based zinc(II) carboxylate complexes	30
Liquid-liquid phase equilibria for the ternary (neopentyl glycol + sodium formate + water) system	28
Synthesis, characterization and biological evaluation of three new Schiff bases derived from amino acids and their Ag(I) complexes	24
Synthesis, characterization and antimicrobial activity of copper(II) Schiff base adducts of some p-substituted aniline Schiff bases	23
Development of an efficient dispersive liquid-liquid microextraction approach combined with spectrophotometry for determination of antiviral drug, valacyclovir HCl in pharmaceutical formulations	19
Chemical composition and antibacterial activity of essential oils from selected species of the genus Cucumis in Ethiopia	17
Synthesis, characterization and DFT studies of Schiff bases of p-methoxysalicylaldehyde	17
SALLE combined with LD-DLLME for pesticides analysis in sugar and soil samples	16
Optimization of process parameters in micro milling of Ti4Al4Mo2Sn using nano Al2O3 additives based minimum quantity cooling lubrication	11
Chemical composition and antioxidant activities of the essential oils of Lippia adoensis Hochst ex. Walp and Ocimum sanctum Linn	10
Investigating the comparative adsorption of methyl orange and methyl green on commercial bentonite	10
Spectroscopic, thermal, and anticancer investigations of new cobalt(II) and nickel(II) triazine complexes	10
Mn(II), Co(II), Ni(II), and Cu(II) complexes of amino acid derived Schiff base ligand: Synthesis, characterization and in-vitro antibacterial investigations	9
Synthesis, characterization, lipoxygenase, and tyrosinase inhibitory activities of non- cytotoxic titanium(III) and (IV) hydrazide complexes	8
Preparation, spectroscopic, cyclic voltammetry and DFT/TD-DFT studies on fluorescein charge transfer complex for photonic applications	8
Hirshfeld surface analysis and quantum chemical study of molecular structure of phosphate	8
In vitro antifungal, anti-inflammatory and cytotoxic activities of Rumex abyssinicus rhizome extract and bioassay-guided isolation of cytotoxic compounds from Rumex abyssinicus	7
Multicomponent reactions of cyanoacetanilide derivatives: Synthesis of coumarin and quinoline derivative and evaluations of their cytotoxicity	7
Preparation of nanocomposites for corrosion treatment	7
Structural, spectroscopic, and morphological characteriza-tions of metal-based complexes derived from the reaction of 1-phenyl-2-thiourea with Sr2+, Ba2+, Cr3+, and Fe3+ ions	7
Rapid and efficient determination of zinc in water samples by graphite furnace atomic absorption spectrometry after homogeneous liquid-liquid microextraction via flotation assistance	7
Optimization of NaCl based spray corrosion test process parameters of heat treated hybrid metal matrix composites	7

Green synthesis of copper nanoparticles from Terminalia arjuna (L.) bark extract: Characterization and potential for mercury degradation	7
Ce and Fe complexes as potent antifungal agents for wallpapers	7
Spectral studies of a selenium(IV) vitamin B3 compounds prepared in the form of nanometer using simple chemical reactions to further use as antioxidant in the preparation of drugs	7
A synthesis of 1,3-dienes using a Ni(II) mediated Suzuki-Miyaura reaction	6
Phytochemical analysis and biological activities of two oil-bearing extracts from fresh Pistacia lentiscus	6
Co(II) and Ni(II) complexes with bis(4-((E)-(4,5-diphenyl-1H-imidazol-2-yl)diazenyl) phenyl)methane: synthesis, characterization and anti-corrosion effect investigation	6
Vanillin and 4-nitroanilline derived Schiff-base and its nickel(II) complex: spectral analysis and antibacterial investigation	6
Dual fluorescence emission of p-N,N-(dialkylamino) benzyl-idenemalononitrile and related systems: Evidence for direct excitation of ground state twisted intramolecular charge transfer (TICT) conformer	6
Effect of aluminum oxide on the structure and conduction behaviors of silver borate glasses	6
Chemical constituents of the essential oils from Uvariodendron mbagoi	5
Study on the engine characteristics (CI) of using pumpkin-maize-blended biodiesel mixed with additive (diethyl ether)	5
Highly sensitive zero-order emission system - fluorescence detection-liquid chromatographic method for simultaneous estimation of two banned phenyl xanthene dyes in bottled chili sauce	5
Effect of surfactants (cetyl trimethyl ammonium-bromide, ethyl di-tetra amine and polyacrylamide) on the synthesis of zinc oxide for photocatalytic application	5
Fluoride content of common legume beans consumed in Ethiopia	5
A spectrophotometric determination and the quantum chemical investigation of Pd(II)-3-hydroxy-2-(4-methoxyphenyl)-4-oxo-4H-1-benzopyran complex	5
Boosted antibacterial efficacy: Di and triorganotin complexes via 2-[(2,3-dimethylphenyl)amino]benzoic acid	5
Syntheses of novel disperse dyes based on arylazophenols: Synthesis, characterizations and applications	5
Exploring the corrosion inhibition of magnesium by coatings formulated with nano CeO and ZrO particles	4
Exploring novel coral reef-like RuO2 oxides: Synthesis and physicochemical characterizations of gatifloxacin-based Ru(III) complexes	4
Antioxidant constituents from the leaves of Piper crassipes Korth ex Miq. growing in Malaysia	4
Chemical composition and antibacterial activity of essential oils from various parts of Gladiolus candidus, Ranunculus multifidus, Artemisia abyssinica and Crinum abyscinicum	4
Synthesis, spectroscopic characterizations and cytotoxic activities of some novel 1,2-bis-(tetrasubstituted-benzylidene) hydrazine analogues	4
A selective dispersive liquid-liquid micro-extraction technique for trace level pollutants enrichment of pharmaceutical residues from hospital wastewaters followed by liquid chromatographic analysis	4
Chemical composition and anti-inflammatory activity of essential oils from resin of Commiphora species	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
Fabrication of novel PN-heterojunction CuS/TiO2 nanocomposite for the photocatalytic degradation of rhodamine B dye under visible light irradiation	4
Exploring the biological activity of organotin carboxylate complexes with 4-sulfosalicylic acid	4
Evaluation of risk caused by intake of trace metal through consumption of Pleurotus tuber-regium collected around automobile village in Abia State	4
Synthesis, characterization, and photocatalytic efficiency of a new smart PdO oxide nanomaterials for using in the recycling and sustainable wastewater treatment	4
Preparation and physico-chemical properties of lanthanide(III) complexes with 2-((E)- (tert- butylimino)methyl)-6-methoxyphenol	4
Micelle-mediated extraction combined with the adsorption onto magnetic nanoparticles for the extraction of crystal violet from wastewater	4
One-pot mediated synthesis of pyrimidine and quinazoline annulated derivatives of nitrogen containing five membered rings through their nitrile derivatives as antibacterial agents	4
Luminescent, sorptive and antibacterial potential of bismuth-organic framework	3
GC-MS and GC-FID analysis of volatile secondary metabolites of the root of Anaphalis contorta Hook F. from India	3
Green synthesis of MgO nanoparticles using Moringa oleifera leaf aqueous extract for antibacterial activity	3
Determination of fatty acids composition by GC-MS and physicochemical parameters of pumpkin (Cucurbita maxima) seed oil cultivated in Ethiopia	3
Assessing the influence of natural zeolite on toxic heavy metals immobilization and their transfer into Zea mays L.	3
Preparation, spectroscopic and thermal studies on the zinc(II), cadmium(II), tin(II), lead(II) and antimony(III) creatinine complexes	3
Magnetite Fe-Al-Zr ternary composite filled dialysis membrane tubes (DMT-FeAlZr): A modified technique for phosphate desorption study from acid soil	3
New tetrapropylammonium tetrabromozincate complex [(C3H7)4N]2ZnBr4(II) - synthesis, spectral, thermal characterization and antioxidant activity	3
Biosorption of Ni(II) ions from aqueous solutions using Melia azedarach biomass	3
Determination of calcium in water samples by using Au-electrode in HCl solution in the absence and presence of a crystal violet and environmental studies	3
Facile synthesis of thiophene-embedded Baicalein via oxidative cyclization and anticancer activity against ovarian cancer cells via inhibiting PI3K/MTOR signaling pathway: in-vitro and in-silico stud	3
Synthesis, characterization, in-vitro anti-inflammatory and antimicrobial screening of metal(II) mixed diclofenac and acetaminophen complexes	3
TMAB modified NiFe2O4 nanoparticles for the Effective removal of Eriochrome Black-T azo dye	3
Ascorbic acid content and the antioxidant activity of common fruits commercially available in Addis Ababa, Ethiopia	3
Theoretical investigation of norfloxacin hybrid compounds with silver, copper, and gold metals as potential anticancer agents	3
Synthesis, spectral characterization, and biological activities of novel palladium(II) and platinum(II) complexes of active Schiff base ligands	3
p-Anisidine release study by hydrolysis of Schiff bases in homogeneous media	3
Synthesis and characterization of hybrid nanocatalyst (AgNPs-Fe2O3) for catalytic remediation of hazardous 2,4-dinitrophenol	3

Determination of phosphorus by phosphorus molybdenum blue spectrophotometry by bismuth antimony sensitization	3
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	3
Synthesis of some novel dipeptides and their copper(II) complexes of (dibenzo [b, d] furan-2-ylsulfonyl) phenylalanine	3
Unveiling the novel anti-corrosion and anti-bacterial biofilm forming characteristics of eco-safe MWCNT-AZ91E alloy for food-processing surfaces	3
Total phenolics and antioxidant capacity of the white and brown teff [Eragrostic tef (Zuccagni) trotter] varieties cultivated in different parts of Ethiopia	3
Turgenia latifolia (L.) Hoffm: Chemical profiling and antioxidant, anti-inflammatory, and anticancer activities	3
Synthesis, characterisation, and anticancer and antioxidant activities of novel complexes of palladium and an organic Schiff-base ligand	3
Microrods synthesized of MoO3 with corn straw as biological templates and its electrochemical performance in aqueous aluminum-ion battery	3
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	3
Evaluation of improved corrosion resistance of Zn alloy as electrode material by Co3O4 coatings	3
Synthesis and in vitro screening of benzo[h]coumarinyl heterocycles as promising antibacterial agents	3
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	3
Development and validation of a single HPLC method for the determination of thirteen pharmaceuticals in bulk and tablet dosage form	3
Analytical methods for the quantification of ritonavir in pharmaceuticals, a comparative evaluation	3
Derivative spectrophotometric determination of quinine, adenine and metoclopramide hydrochloride in their binary mixture using zero–crossing technique	2
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	2
Determination of 2,4-dichlorophenoxyacetic acid in water, sediment and soil using high performance liquid chromatography	2
Greenness assessment of continuous FIA-spectrophotometric method for quantitation of oxymetazoline in bulk and pharmaceutical forms	2
Computational molecular docking and in silico ADMET prediction studies of pyrazole derivatives as Covid-19 main protease (MPRO) and papain-like protease (PLPRO) inhibitors	2
Solid-phase extraction of folic acid from pharmaceutical formulations using modified magnetic iron oxide nanoparticles	2
Novel synthesis of pyran-3-hydrazide derivatives and their uses to the synthesis hydrazide-hydrazone, pyrazole and thiazole derivatives with anticancer activities	2
A study on the development of scaffold fabrication using citric acid polyester – nanohydroxyapatite composite	2
Complexation of alkaline earth metals Mg2+, Ca2+, Sr2+ and Ba2+ with adrenaline hormone: Synthesis, spectroscopic and antimicrobial analysis	2
Schiff bases derived from 4-amino-N-substituted benzenesulfonamide: synthesis, spectral characterisation and MIC evaluation	2
Competence kinetic and thermodynamic studies between natural bio-adsorbent green microalgae and synthetic adsorbent magnetic nanoparticles for copper(II) ion in water	2
Preparation, spectral study and antimicrobial activity of binary Co(II) complexes derived from 2’-hydroxy chalcones	2
Spectroscopic, thermal analyses, XRD spectra and nematicidal activity study of some new N2O2 tetradentate Schiff base metal ions complexes	2
Synthesis, spectroscopic characterization and antimicrobial evaluation of metal complexes with N-(2-aminophenyl)-4-(pentyloxy) benzamide compound ligand	2
Levels of heavy metals and physicochemical properties of honey from four selected areas of Ethiopia	2
Hepatoprotective perspective of newly synthesized 3-(3,5-bis (tri fluoro methyl) phenyl)- 5-methyl-1-((1-methyl-1h-pyrrol-2-yl) methyl)-2-thioxoimidazolidin-4-one against diethyl nitrosamine induced l	2
Synthesis of a hybrid nanomaterial combining silver nanoparticles with water-soluble zinc phthalocyanines [ZnPc(CO2H)4(COATP)4@AgNPs]	2
Synthesis, spectroscopic characterizations and biological studies on gold(III), ruthenium(III) and iridium(III) complexes of trimethoprim antibiotic drug	2
Effect of synthesized carbon quantum dots on the photocatalytic properties of ZnO	2
Structure and magnetism of a chiral Perovskite-like dicyanamidometallate framework	2
Green synthesis, characterization, antimicrobial and anti-cancer activity of silver nanoparticles using Aristolochia bracteolate plant leaf extract: experimental and theoretical calculations	2
Investigation and characteristics of AZ91 magnesium metal matrix composite using the powder metallurgy process	2
Corrosion properties of tempered medium carbon steel in 1.0 M HCl and homemade vinegar	2
Quantification of phenolic compounds in dietary supplements and antioxidant activities	2
Effect of stabilizer on optical band gap of ZnO and their performance in dye-sensitized solar cells	2
Efficient removal of methyl orange using magnesium oxide nanoparticles loaded onto activated carbon	2
Employing zinc oxide nanoparticle coating as a corrosion inhibitor for magnesium alloys in distinct aqueous electrolyte	2
Photocatalytic oxidation of butan-2-ol over multi walled carbon nanotubes/cobalt phthalocynanine composites	2
Experimental and theoretical investigations (FTIR, UV-VIS spectroscopy, HOMO-LUMO, NLO and MEP analysis) of aminothiophenol isomers	2
Synthesis of substituted heterocyclic with their cobalt(Ⅱ) complexes from 2-amino- thiazoles and evaluation of their biological activity	2
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	2
Electrochemical micromachining and parameter optimization on AZ31 alloy—ANN and TOPSIS techniques	2
Larvicidal and adulticidal effect of green synthesis copper oxide nanoparticles using Achillea fragrantissima and its biological and ultra-structural impact on Culex pipiens	2
Density functional theory study on the crystal structure of quercetin	2
Nickel oxide nanoparticles as sustainable catalysts for efficient synthesis and anti-microbial evaluation of 2-amino-4H-pyran derivatives	2
Design and synthesis of indole-benzimidazole hybrid molecules and evaluation of their in-vitro cytotoxic activities	2
Physicochemical properties, chemical components, and antibacterial activity of Melaleuca cajuputi Powell essential oil leaves from Quang Tri Province, Vietnam	2
Efficacy of fumigant compounds from essential oil of feverfew (Chrysanthemum parthenium L.) against maize weevil (Sitophilus zeamais Mots.): Fumigant toxicity test and in-silico study	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
Biflavonoids from the roots of Rhus ruspolii and evaluations of their antioxidant activities	2
Synthesis, characterization, and antibacterial studies of some of first transition series metals and zinc complexes with mixed ligands of trimethoprim-isatin and nitrogen base	2
Trace level enrichment and clean-up of β-lactam antibiotic residues in edible chicken tissues and feathers by solid phase extraction for quantitative determination utilizing liquid chromatography	2
A Cu(II) coordination compound constructed by mixed ligands of 1,10-phenanthroline and carboxylic acid: Synthesis, characterization and Hirshfeld surface analysis	2
Uses of chalcone acetophenone to synthesis heterocyclic compounds with cytotoxic and c-Met kinase activities	2
Assessment of a Nigerian chalcopyrite ore dissolution in sulfuric acid medium	2
An investigation on fluorescence quenching of Cu(II) complex and in vitro cytotoxicity assay	2
Design, characterizations, DFT, molecular docking and antibacterial studies of some complexes derived from 4-aminpantipyrine with glycine amino acid and ligand	2
Exploring the effect of chromium doping on electronic properties, half-metallic and ferromagnetism on AlSb DMS compound through first-principles calculations	2
Enoxacin fluoroquinolone antibacterial agent complexes with Pt(IV), Ru(III) and Ir(III) ions: Synthesis, spectroscopic, physicochemical characterizations and biological studies	2