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All published articles 999

Evaluation of Antidiabetic Activity of Combination of Trace Elements

Sanjiv Singh, H. S. Chandel, Sujeet Kushwaha & Jitendar Malik · Chemical Science International Journal · 2015

Background: In order to compare the three combinations of trace elements for correction of hyperglycemia, hyperlipidaemia, glycogen content in liver and activities of some important carbohydrate metabolic enzymes in diabetes mellitus, the anti diabetic effect and acute oral toxic...

Open access Research Article 10.9734/ACSJ/2015/13479

An Overview of Arsenic Extraction and Speciation Techniques in Soil and Water

Shah Rukh, Mohammad Saleem Akhtar, Mehruinsa Memon, Ayaz Mehmood & Muhammad Imran · Chemical Science International Journal · 2015

Arsenic toxicity and bioavailability are controlled by its chemical forms (e.g. exchangeable, sorbed on organic matter, Fe/Al bound pools and mineral phases) and oxidation states (As(III) and As(V)). High interest has been developed in measurement of arsenic species due to their...

Open access Research Article 10.9734/ACSJ/2015/13680

Chemistry of Trail Pheromones from Cubitermes Termites (Amitermes dentatus): An Innovation in Pest Management

O. U. Igwe & P. N. Eze · Chemical Science International Journal · 2015

Trail pheromones were extracted with petroleum ether from the sternal gland near the anterior portion of the fifth abdominal sternit of cubitermes termites (Amitermes dentatus) and fourteen pheromonal compounds were characterised using Gas Chromatography-Mass Spectrometry (GC/MS)...

Open access Research Article 10.9734/ACSJ/2015/14256

Chemical Analyses of Volatile Compounds from Cuticular and Non-cuticular Abdominal Glands of African Weaver Ants (Oecophylla longinoda)

O. U. Igwe & P. N. Eze · Chemical Science International Journal · 2015

Chemicals from the abdominal glands of African weaver ants (Oecophylla longinoda) were extracted with petroleum ether and fifteen pheromonal compounds were characterised using Gas Chromatography-Mass Spectrometry (GC/MS) Technique. The compounds analysed include decane (8.81%), u...

Open access Research Article 10.9734/ACSJ/2015/14255

Reduction of 3,7-Bis(dimethylamino) phenazothionium Chloride by Benzenethiol in Aqueous Nitric Acid Medium: A Mechanistic Approach

S. O. Idris, J. O. Suleman, J. F. Iyun & A. A. Osunlaja · Chemical Science International Journal · 2015

The kinetics of the reduction of 3,7-bis(dimethylamino)phenazothionium chloride (MB+) by benzenethiol in aqueous solution has been investigated in the acid range 0.3≤[H+  ≤ 0.9 mole dm-3, ionic strength (µ) of the reaction medium in the range: 0.4 ≤ µ ≤ 1.0 mole dm-3 (NaNO3) and...

Open access Research Article 10.9734/ACSJ/2015/11703

Corrosion Behavior of V2AlC and Cr2AlC in 0.01 N Calcium Hydroxide at Four Temperatures

Rana A. Majed Anaee & Ahmed M. Al-Ghaban · Chemical Science International Journal · 2014

Corrosion behavior of V2AlC and Cr2AlC materials have been investigated in 0.01N Ca(OH)2 at pH=11.7 using Potentiostat to estimate corrosion parameters. The results show that V2AlC material has more noble potential and lower current density than Cr2AlC over temperatures include 3...

Open access Research Article 10.9734/ACSJ/2015/14902

Analytical Method Development and Validation on Liquid Chromatography for Determination of the Drug Cefdinir by Using Tinidazole as an Internal Standard in Bulk and Pharmaceutical Dosage Forms

Gadapa Nirupa & Upendra M. Tripathi · Chemical Science International Journal · 2014

The present work involves a rapid and reproducible HPLC method which was developed and validated for the estimation of the drug cefdinir in the bulk drug and pharmaceutical dosage forms. Tinidazole was used as an internal standard. In this method, the estimation was done by using...

Open access Research Article 10.9734/ACSJ/2015/12275

Speciation of Some Heavy Metals in Sediments of the Pennington River, Bayelsa State, Nigeria

Leizou Kaywood Elijah, Horsfall Michael Junior & Spiff Ayebaemi Ibuteme · Chemical Science International Journal · 2014

The total heavy metal concentrations of some environmentally toxic metals in sediments of the Pennington River System, Bayelsa state, Nigeria was examined. The concentrations of heavy metals in each fraction were determined using a ANALYST 400 Perkin-Elmer AAS. The mean concentra...

Open access Research Article 10.9734/ACSJ/2015/14696

Determination and Comparison of Physico-chemical Properties of Home-made Juices in Lesotho and Commercial Juice Available in the Local Markets

Mosotho J. George & Limpho V. Moiloa · Chemical Science International Journal · 2014

The study was carried out to investigate the comparative nutritional value and physicochemical properties of home-made apple juice and mixed fruit juice (apple, banana and pear) with commercial 100% apple juice. The principal component analysis model revealed the complete differe...

Open access Research Article 10.9734/ACSJ/2015/14943

Adsorption Isotherm Studies of Cd(ll) and Pb(ll) Ions from Aqueous Solutions by Bamboo-Based Activated Charcoal and Bamboo Dust

Stevens A. Odoemelam, Francis K. Onwu, Sonde C. Uchechukwu & Mgbeahuruike A. Chinedu · Chemical Science International Journal · 2014

This study investigates a comparative assessment of two adsorbents: Bamboo-based Activated Charcoal (BBAC) and Bamboo dust (BD) in the removal of lead(ll) and cadmium(ll) ions from aqueous solutions. Maximum Pb(II) and Cd(II) removal was observed at pH 6.0. The Langmuir, Freundli...

Open access Research Article 10.9734/ACSJ/2015/14425

Determination of Pb in Ibadan Metropolis —An Indication of Environmental Pollution

Johnson Dele Ogunkolade, O. Owolabi, K. J. Akinluwade, A. M. Adegoke, D. A. Isadare & A. R. Adetunji · Chemical Science International Journal · 2014

This study determined the Pb pollution levels of lead (Pb) in Ibadan. Until 1970, Ibadan was the largest city in Sub-Saharan Africa and the current largest city in West Africa. Dust samples were randomly collected from selected sites, cleaned, air-dried and sieved. Pb level was d...

Open access Research Article 10.9734/ACSJ/2015/10566

The Effect of Acacia senegal Leaf Extract on the Flammability of Flexible Polyurethane Foam

Baffa Abubakar, P. O. Ikeh, U. Z. Faruq & H. M. Maishanu · Chemical Science International Journal · 2014

Health and environmental consequences of conventional flame retardants necessitated the incorporation of new plant based flame retardants. According to Australlian Plant Society all Acacia species can be used as fire retardants which lead to the selection of the leaves of Acacia...

Open access Research Article 10.9734/ACSJ/2015/12506

Infrared Spectra of NH4+ ions Matrix-Isolated in Tutton Compounds M'2M''(XO4)2∙6H2O (M' = Rb, Cs; M'' = Mg, Co, Zn; X = S, Se)

V. Karadjova · Chemical Science International Journal · 2014

Infrared spectra of ammonium doped rubidium and cesium sulfate and selenate matrices, M'2M''(XO4)2∙6H2O (M' = Rb, Cs; M'' = Mg, Co, Zn; X = S, Se), are presented and discussed in the region of  both the asymmetric bending modes n4 of the ammonium ions and the water librations. Th...

Open access Research Article 10.9734/ACSJ/2015/12307

Development and Validation of Colorimetric and RP-HPLC Methods for the Determination of Formaldehyde in Cosmetics

Md. Motiur Rahman, Harun- or-Rashid, Subrata Bhadra & A. S. Shamsur Rouf · Chemical Science International Journal · 2014

Aims: To develop and validate two assay methods for the determination of total and free formaldehyde content in cosmetics by Colorimetric and High Performance Liquid Chromatographic (HPLC) methods, respectively. Study Design: Colorimetric and HPLC methods. Place and Duration of S...

Open access Research Article 10.9734/ACSJ/2015/12385

Batch and Flow Injection Analysis Spectrophotometric Determination of Amoxicillin using N-bromosuccinimide and Indigo Carmine

Bery M. Rahman & Kamal M. Mahmoud · Chemical Science International Journal · 2014

This paper describes a batch(direct spectrophotometer) and flow injection spectrophotometric for indirect determination of amoxicillin (AMX). The method involves addition of a known excess of N-bromosuccinimde (NBS) to AMX in acidic medium, the residual amount of oxidant (NBS) re...

Open access Research Article 10.9734/ACSJ/2015/13150