Department of Chemistry
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Reversible reaction of 5,5’-dithiobis(2-nitrobenzoate) with the CysF9[93]β sulfhydryl groups of the hemoglobins of the domestic cat:
(Elsevier, 2006-01-27)We have determined for the first time the equilibrium constant, Keq, for the reaction of Ellman's reagent, 5,5'-dithiobis(2-nitrobenzoate), with the CysF9[93]beta sulfhydryl groups of the hemoglobins of the domestic cat. ... -
Electrostatic effects of ionisable groups on the reactivity of the CysF9[93]β sulphydryl group in haemoglobins
(African Journals Online, 2005-09-16)A generalized kinetic scheme is presented to account for the complex pH dependence of k -
Antiulcer activity of the stem bark extract of Entandrophragma angolense
(Phytotherapy Research, John Wiley and Sons, Ltd., 1994)The effect of a methanol extract of the stem bark of Entandrophragma angolense was investigated on indomethacin-induced gastric ulcer in rats. The effect of the extract was dose-dependent, doses ranging from 0.4 to 1.6 ... -
Proton-induced X-ray emission (PIXE) analysis of trace elements of total atmospheric deposit (TAD) around a smelting industry: aerial pollution monitor
(Taylor & Francis Group, 1/25/2018)This study monitored total atmospheric deposit (TAD) around a smelting plant in Ile-Ife, Nigeria to assess the contributions of the industry to Nigeria’s air-shed pollution. Samples were collected for 12 consecutive months ... -
Syntheses, characterization, resolution, and biological studies of coordination compounds of aspartic acid and glycine
(Hindawi Publishing, 2/15/2017)Enantiomerically enriched coordination compounds of aspartic acid and racemic mixtures of coordination compounds of glycine metal-ligand ratio 1 : 3 were synthesized and characterized using infrared and UV-Vis spectrophotometric ... -
Corrosion inhibition of mild steel in 1M HCl by D-glucose derivatives of dihydropyrido [2,3-d:6,5-d′] dipyrimidine-2, 4, 6, 8(1H,3H, 5H,7H)-tetraone
(Nature publishing, 2/7/2017)D-glucose derivatives of dihydropyrido-[2,3-d:6,5-d′]-dipyrimidine-2, 4, 6, 8(1H,3H, 5H,7H)-tetraone (GPHs) have been synthesized and investigated as corrosion inhibitors for mild steel in 1M HCl solution using gravimetric, ... -
Identification and comparison of the volatile constituents of fresh and dried leaves of Spondias mombin found in North-central Nigeria: in vitro evaluation of their cytotoxic and antioxidant activities
(Taylor & Francis publishing, 5/9/2016)Context: Various studies have shown that the leaf extracts of Spondias mombin Linn (Anacardiaceae) possess pharmacological properties such as antioxidant and antiviral effects. However, no biological activity from its ... -
High level leaching of heavy metals from colorful ceramic foodwares: a potential risk to human
(Springer publishing, 6/5/2017)Abstract Ceramic foodwares are among the products used by people on daily basis without being cautious of exposures to heavy metals through possible leaching from the glaze ce- ramics. This study investigated the levels ... -
Isolation,characterization,crystalstructure, freeradicalscavenging-andcomputational studiesof...
(Elsevier publishing, 5/13/2017)A new crystallographic form of a pure xanthenedione derivative (110), C22H24O3, was isolated from thehexane extract of the seeds ofGarcinia kola. The structure of the compound was determined on the basisof FTIR and NMR ... -
Synthesis Characterization and Biological Activities of Coordination Compounds of 4-Hydroxy-3-nitro-2 H -chromen-2-one and Its Aminoethanoic Acid and Pyrrolidine-2-carboxylic Acid Mixed Ligand Complexes2016
(Hindawi Publishing, 2/7/2017)Coordination compounds of 4-hydroxy-3-nitro-2 H -chromen-2-one and their mixed ligand complexes with aminoethanoic acid and pyrrolidine-2-carboxylic acid were synthesized by the reaction of Cu(II) and Zn(II) salts in molar ... -
Phthalocyanine Doped Metal Oxide Nanoparticles on Multiwalled Carbon Nanotubes Platform for the detection of Dopamine
(Springer publishing, 3/3/2017)The electrocatalytic properties of metal oxides (MO=Fe3O4, ZnO) nanoparticles doped phthalocyanine (Pc) and functionalized MWCNTs, decorated on glassy carbon electrode (GCE) was investigated. Successful synthesis of the ... -
Electrochemical determination of serotonin in urine samples based on metal oxide nanoparticles/MWCNT on modified glassy carbon electrode
(Published by Elsevier B.V, 1/11/2017)The electrochemical response of serotonin on the modified electrode based on multiwalled-carbon-nanotube (MWCNT) doped respectively with nickel, zinc and iron oxide nanoparticles coating on glassy carbon electrode (GCE) at ... -
Adsorption characteristics of green 5-arylaminomethylene pyrimidine- 2,4,6-triones on mild steel surface in acidic medium: Experimental and computational approach
(Elsevier B.V, 1/10/2018)The effect of electron withdrawing nitro (–NO2) and electron releasing hydroxyl (–OH) groups on corrosion inhibition potentials of 5-arylaminomethylenepyrimidine-2,4,6-trione (AMP) had been studied. Four AMPs tagged AMP-1, ... -
Potential of Ripe Plantain Fruit Peels as an Ecofriendly Catalyst for Biodiesel Synthesis
(MDPI, 2/5/2018)The present work was aimed at assessing the possible use of ripe plantain fruit peel as a green-base catalyst in synthesizing Azadirachta indica oil methyl esters (AIOME). The free fatty acid content of the oil (5.81 wt ... -
Experimental and theoretical studies on some selected ionic liquids with different cations/anions as corrosion inhibitors for mild steel in acidic medium
(Elsevier, 2016-05)Inhibition of mild steel corrosion in 1 M HCl solution by some alkylimidazolium-based ionic liquids (ILs) namely 1-ethyl-3-methylimidazolium ethylsulfate [EMIM]+[EtSO4]−, 1-ethyl-3-methylimidazolium acetate [EMIM]+[Ac]−, ... -
Synthesis and neuropharmacological activity of some quinoxalinone derivatives
(Academic Journals, 3/19/2007)Eight quinoxalinone derivatives were synthesized and investigated for some neuropharmacological effects (analgesia, sedation, convulsion, anxiety, memory and psychosis) in mice and rats. In the CNS depressant activity, ... -
Chemical Composition and In-vitro Antibacterial Activity of the Essential Oil of Nigerian Moringa oleifera Lam. Flowers
(SCIENCEDOMAIN international, 3/2/2017)Aims: To investigate the chemical composition and antibacterial activity of essential oil isolated from flowers of Moringa oleifera (MO) grown in Western Nigeria. Methodology: Gas chromatography–mass spectrometry (GC-MS) ... -
In vitro antioxidant activity and gas chromatographymass spectrometry analysis of solvent extracts of Kigelia africana stem bark
(7/20/2017)Objective: Kigelia africana is widely used, traditionally, in Africa in the treatment of many conditions and complaints such as kidney and stomach disorders, malaria, wounds, and venereal diseases. In the present study, ... -
ATR-FTIR AND HPLC SPECTROSCOPIC STUDIES AND EVALUATION OF MINERAL CONTENT OF CARICA PAPAYA LEAVES AND FLOWERS
(Open Access Scientific Publisher, 2/6/2015)We applied Fourier transform infrared spectroscopy (FTIR) to study the main constituents in the male Carica papaya leaves and flowers in the mid infrared region 4000–650 cm –1. The findings indicated that FTIR spectrum can ... -
The Metabolism of Dhurrin in Sorghum Seedlings 1: Distribution, Biosynthetic Site and Function
(Faculty of Agriculture, University of Ife, 1985)The variation of dhurrin in various parts of sorghum seedlings was monitored over a period of 28 days. The results showed that a peak of 2.8 urn01 was reached in the shoot on the 8th day while in the root, it was only 0.24 ...
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