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Effect of Plasticizer on the Structural and Transport Properties of Mg2+- Ion Conducting Solid Polymer Electrolytes: [PEO: Mg(CH3COO)2]

T. O. Ahmed, A. Ismaila & E. O. Nweke · Chemical Science International Journal · 2015

In this study, the use of low molecular weight Ethylene glycol [CH2 (OH).CH2OH] as a new type of plasticizer in polyethylene oxide (PEO)/Mg(CH3COO)2 solid polymer electrolytes preparation was examined. The complexation of Mg(CH3COO)2 salt with the polymer in the presence and abse...

Open access Research Article 10.9734/ACSJ/2015/20043

Electron Withdrawing Groups and Steric Effects on the Methanogenic Toxicity

B. M. Nsimba, P. V. Tsalu, D. T. Mwanangombo, E. K. Atibu, D. S. T. Tshibangu, K. Kayembe, N. L. Basosila, S. O. Mihigo & P. T. Mpiana · Chemical Science International Journal · 2015

Aims: This work highlights the influence of the additivity of withdrawing electronic groups attached to the aromatic ring on the inhibition of the production of methane gas by the methanogenic bacteria acetoclastic. Study Design: Anaerobic digestion of pig manure, anaerobic toxic...

Open access Research Article 10.9734/ACSJ/2016/21375

Ultrasonic Degradation of Polyvinyl Pyrrolidone (PVP): Effect of Power of Ultrasound, Temperature and Concentration

Mohammad Taghi Taghizadeh & Reza Abdollahi · Chemical Science International Journal · 2015

The ultrasonic degradation of polyvinyl pyrrolidone (PVP) was carried out in a range of different concentration of polymer solution to investigate on the changes of molecular weights. Also the ultrasonic degradation at different temperatures and power of ultrasound (30-150 W) was...

Open access Research Article 10.9734/ACSJ/2015/16508

The Influence on Microstructure of Hap/Cs-CMC Composite Materials in vitro Soaking

Mande Qiu, Pan Yang, Miao Niu, Aimei Dai & Yidan Wang · Chemical Science International Journal · 2015

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...

Open access Research Article 10.9734/ACSJ/2015/20053

Removal of Methylene Blue Using Cellulose Nanocrystal Synthesized from Cotton by Ultrasonic Technique

Ismail Ibrahim (Al-Khateeb), Yusra M. Al-Obaidi & Sabri M. Hussin · Chemical Science International Journal · 2015

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...

Open access Research Article 10.9734/ACSJ/2015/20031

Heavy Metal Pollutions and Its Associated Ecological Risks in Lagos Lagoon Sediments, South-western Nigeria

Ajani Gloria Ekaete, Oshisanya Khaphilah Ibironke, Popoola Samuel Olatunde & Oyeleke Peter Olaoye · Chemical Science International Journal · 2015

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...

Open access Research Article 10.9734/ACSJ/2015/20334

Modulatory Role of Zinc Chloride on Cadmium Chloride-induced Histological Changes in Tongue Papillae of Rats

Souzan El Amy, Badr Al-Jandan & Aiman A. Ali · Chemical Science International Journal · 2015

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....

Open access Research Article 10.9734/ACSJ/2015/19626

Research of Affection of Iron Nanoparticles on Chemical Indicators and Rheological Parameters of Waxy Crude Oil

E. M. Gojaev, E. A. Mammadov & A. Sh. Aliyeva · Chemical Science International Journal · 2015

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...

Open access Research Article 10.9734/ACSJ/2015/17830

Comparison of Analytical Techniques in the Characterization of Complex Compounds

F. S. Nworie, F. I. Nwabue & W. J. O. Oti · Chemical Science International Journal · 2015

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...

Open access Research Article 10.9734/ACSJ/2015/20257

Effect of Solid Waste Source (Dumpsite Type) on Heavy Metal Contaminations in Urban Soils of Bauchi, Nigeria

Eze Michael Onyedika · Chemical Science International Journal · 2015

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...

Open access Research Article 10.9734/ACSJ/2015/18039

Hydrodynamic Behaviour of Common Salt Water (NaCl Solution) in a Glass-beads Packed Cylindrical Fluidized Bed

Harekrushna Sutar, Kashinath Barik, Anup Kumar Bairagi & Rabiranjan Murmu · Chemical Science International Journal · 2015

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...

Open access Research Article 10.9734/ACSJ/2015/20086

Identification of Thymol as an Antitubercular Agent from Ocimum gratissimum Leaf Essential Oil

Samuel E. Okhale, Peters Oladosu, Abayomi T. Orishadipe & Joseph I. Okogun · Chemical Science International Journal · 2015

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...

Open access Research Article 10.9734/ACSJ/2015/19141

Effect of Pre-planting Seed Dressers on Serum Enzymes of Laying Chickens

I. O. Adejumo, A. D. Ologhobo & T. O. Babalola · Chemical Science International Journal · 2015

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=...

Open access Research Article 10.9734/ACSJ/2015/19687

Kinetics and Mechanistic Study of Redox Reaction of Cobalt (III) Complex with L-Ascorbic Acid in Aqueous Acid Medium

Sadhana Senapati, A. K. Patnaik, S. P. Das & P. Mohanty · Chemical Science International Journal · 2015

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...

Open access Research Article 10.9734/ACSJ/2015/15141

Synthesis of Novel Methylidene Bridged Quinazoline-Isoquinoline Alkaloids

Sherzod N. Zhurakulov, Burkhon Zh. Elmuradov & Valentina I. Vinogradova · Chemical Science International Journal · 2015

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...

Open access Research Article 10.9734/ACSJ/2015/19859