The Hap/Cs-CMC (Hydroxyapatite/Chitosan-carboxymethyl cellulose) composite materials with different mass ratio were firstly prepared by liquid co-precipitation method. According to preliminary results, the mass ratio of 50/50 (Hap/Cs-CMC) composite material was selected as the re...
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Research Article10.9734/ACSJ/2015/20053
This investigation was concern to study the removal of methylene blue pollutants from aqueous solution using cellulose nanocrystal synthesized from cotton. The equilibrium adsorption data were analyzed using adsorption models of Langmuir, Freundlich and Temkin. The thermodynamic...
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Research Article10.9734/ACSJ/2015/20031
This study investigate the origin of heavy metal pollution and its associated ecological risks to the surrounding aquatic ecosystems in the Lagos Lagoon. Sediments samples from twelve selected stations, that covers the; Southern, central and North-Eastern segments of Lagos Lagoon...
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Research Article10.9734/ACSJ/2015/20334
Background: Cadmium (Cd) is recognized as one of the most toxic heavy metals with very strong accumulation. In dentistry, Cd may be released from dentures, intraoral alloys. Some strategies have been postulated to neutralize heavy metal intoxication such as zinc supplementation....
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Research Article10.9734/ACSJ/2015/19626
The study presented dependence of densities, dynamic and kinematic viscosity coefficients, surface tension and thermal expansion coefficients of paraffin oil from operating oil wells on temperature range 290-350 K and and concentration of the iron nanoparticle- 100 nm. It was fou...
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Research Article10.9734/ACSJ/2015/17830
The methods of characterization of complex compounds with the intent of their applicability in identification procedures have been critically appraised. In this work, the principle, sensitivity, selectivity and applicability of the different analytical techniques have been system...
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Research Article10.9734/ACSJ/2015/20257
Heavy metals constitute a major threat to humans due to the fact that they unlike some other pollutants are not biodegradable. Different Sources of these metals when dumped with municipal solid wastes raise the level of heavy metals in dumpsites. A study of the effect of solid wa...
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Research Article10.9734/ACSJ/2015/18039
The research paper focuses on to design a laboratory scale cylindrical fluidized bed column. The column was fabricated successfully having a height of 1.5 m and 5 cm inner diameter. Glass beads of spherical shape are packed up inside the column up to 2.4 cm height having 8 mm siz...
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Research Article10.9734/ACSJ/2015/20086
Ocimum gratissimum consumed as a vegetable is used to treat cough, tuberculosis and dysentery in Nigeria. Hydro-distillation of the fresh leaves of O. gratissimum yielded a golden yellow essential oil 0.5% v/w which exhibited minimum inhibitory concentration (MIC) of 48 µg/ml aga...
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Research Article10.9734/ACSJ/2015/19141
The study was conducted to assess toxicity of synthetic insecticides in chickens. Twenty-five week old Nera black pullets (n=48) were fed with pre-planting insecticide-treated diets at recommended doses (T1=control, T2=2 g dressforce /Kg grains, T3=2.5 g apronstar /Kg grains, T4=...
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Research Article10.9734/ACSJ/2015/19687
The kinetics of the electron transfer reaction of L-ascorbic acid with a cobalt (III) complex has been studied spectrophotometrically over the range 0.01 ≤ [ascorbic acid], mol dm-3 ≤ 0.07, 3.3 ≤ pH ≤ 5, and at 298 ≤ T, K ≤ 318 in aqueous acid medium. Kinetics measurements were r...
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Research Article10.9734/ACSJ/2015/15141
Interaction of 3-hydroxymethylidene-1,2,3,9-tetrahydropyrrolo[2,1-b]-quinazolin-9-one (2) with 1H(aryl)-6,7-dimethoxytetrahydroisoquinolines (3a-f) leads to the formation of novel methylidene bridged quinazoline-isoquinoline alkaloids. By results of IR- and 1Н-NMR – spectroscopy...
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Research Article10.9734/ACSJ/2015/19859
The adsorption behaviour of starch on silica surface, which is mimic active sites existing on the surface of kaolinite, was investigated by a combination of spectrophotometry and turbidity techniques. It was demonstrated that the conformational behaviour of starch chain in aqueou...
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Research Article10.9734/ACSJ/2015/19080
The mechanism of iodate oxidation by methylthioninum chloride in acidic medium was investigated at 29±1ºC. The oxidation reaction is first order in both oxidant and reductant. The rate of reaction was unaffected by increase in ionic strength, dielectric constant, added cations an...
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Research Article10.9734/ACSJ/2015/17482
Undried coir cellulose was prepared by chlorite bleaching method and hydrolyzed by 50% sulphuric acid to obtain highly crystalline nanocellulose. The proximate analysis of the coir fibre such as; moisture, ash, crude fibre, protein and its mineral composition were investigated us...
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Research Article10.9734/ACSJ/2015/18766