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All published articles 1056

Phytochemical Screening and Evaluation of in-vitro Anti-oxidant Activity of Extracts of Ixora javanica D. C Flowers

Sunitha Dontha, Hemalatha Kamurthy & Bhagavan Raju Manthripragada · Chemical Science International Journal · 2015

Introduction: Fruits and vegetables are the sources of nutraceutical compounds in human diet. However, flowers with their pigments rich in phenolics (phenolic acids, flavonoids and anthocyanins) are becoming an important source of several bioactive compounds. Objective: To identi...

Open access Research Article 10.9734/ACSJ/2016/20661

Studies of Some Essential Elements Composition of Potash Deposits Found in Yusufari Local Government Area of Yobe State, Nigeria

P. D. Sudi, H. M. Maina, H. Bello, S. M. Hauwa & A. A. Modibbo · Chemical Science International Journal · 2015

The essencial elemental composition of natural potash deposits obtained in Yusufari Local Government Area of Yobe state has been determined. The samples were obtained in three areas namely; Madukuri, Kotufa and Kirba. The highly concentrated essential elements were potassium foll...

Open access Research Article 10.9734/ACSJ/2016/20198

Dielectric Study of Pure Propan-1-OL and Propan-2-OL Using Debye Relaxation Method

M. Y. Onimisi & J. T. Ikyumbur · Chemical Science International Journal · 2015

The Debye relaxation equation and its derivatives were used to analyze the experimental permittivity data of high purityPropan-1-ol and Propan-2-ol over the frequency up to 10GHz and temperature range of 10ºC to 50ºC. The plots of dielectric constant  and loss factor against the...

Open access Research Article 10.9734/ACSJ/2016/21662

Effect of Infra-red Drying on the Stability of Physicochemical Properties, Phenolics, Flavonoids and on Antioxidant Activity of Allium sativum

Litaiem Jihène, Touil Amira & Zagrouba Fethi · Chemical Science International Journal · 2015

In this work, the effect of infrared drying temperatures on the physicochemical properties and antioxidant capacity of Allium sativum was investigated. The following parameters were analyzed: proximal composition, mineral content, total phenolics content, and total flavonoids con...

Open access Research Article 10.9734/ACSJ/2016/19342

Adsorption and Thermodynamics Behaviors of Ferroin [tris(1,10-phenanthroline Iron(II) Sulphate Complex] as Corrosion Inhibitor for Mild Steel in Acidic Medium

Shefali Dahiya & Suman Lata · Chemical Science International Journal · 2015

The inhibition effect of Ferroin solution [tris(1,10-phenanthroline iron(II) sulphate complex] as a corrosion inhibitor was analysed against corrosion of mild steel (MS) in 0.5 M HCl solution, by using weight loss method, linear polarization, electrochemical impedance spectroscop...

Open access Research Article 10.9734/ACSJ/2016/21414

Thermodynamic Calculation and 3D Modeling of the Liquidus and Immiscibility Surfaces of the Ge–Cu–Tl System

A. N. Mamedov, Z. E. Salimov, L. F. Mashadiyeva & M. B. Babanly · Chemical Science International Journal · 2015

This work devoted to the calculation and 3D visualization of the crystallization surface of Ge and immiscibility surface of alloys based on thallium and copper in the Cu-Tl-Ge system. For determining and modeling these properties were used thermodynamic equations which are solved...

Open access Research Article 10.9734/ACSJ/2016/21808

Chemistry of Thallium-based Topological Insulators

M. B. Babanly, Y. I. Jafarov, Z. S. Aliev & I. R. Amiraslanov · Chemical Science International Journal · 2015

The goal of this review is to briefly introduce the chemistry of the topological insulators (TIs) based on thallium chalcogenides. Numerous phase diagrams of ternary Tl-BV-X (BV – Sb, Bi; X – Se, Te) systems having TlBVX2 type compounds which exhibit spin polarized topological su...

Open access Research Article 10.9734/ACSJ/2016/21362

Investigation into the Wound Healing Activity of Monodora myristica and Monodora tenuifolia Seed Extracts in Albino Rats

Ibironke A. Ajayi, Adewale A. Raji & Adonai R. Umeh · Chemical Science International Journal · 2015

Ethnopharmacological Relevance: Monodora myristica and Monodora tenuifolia are among the plants that are been used by traditional medicine practitioners in Nigeria. They have been used extensively for the treatment of various ailments. The parts of these plants have some medicina...

Open access Research Article 10.9734/ACSJ/2015/19876

Evaluation on the Application of Immobilized Stereospermum kunthianum Stem-bark for the Removal of Pd2+, Cd2+, Cr2+, Fe2+, Zn2+, Mn2+ in Aqueous Solution

S. A. Osemeahon, J. T. Barminas & G. M. Saljaba · Chemical Science International Journal · 2015

This research studied the sorption capacity of Stereospermum kunthianum plant for the removal of heavy metal ions from waste water. The plant stem-bark was immobilized by entrapping or caging the bio-sorbent within a polymeric matrix of calcium- alginate to produce immobilized st...

Open access Research Article 10.9734/ACSJ/2015/21516

Aluminum Bioavailable and Nutrient and Aluminum Uptake in Hibiscus sabdariffa under Effect of Gypsum Fertilization

Jean Aubin Ondo, Alain Bissielou Koumba, Bertrand Ngou Akue, Estimé Rolant Ngodoua & Richard Menye Biyogo · Chemical Science International Journal · 2015

The rural exodus and immigration contribute to the development of urban agriculture in developing countries. The unsuitable practices of this intensive farming contribute reduce soil fertility. The result is the decline in crop yields and depletion of the resource base. The aim o...

Open access Research Article 10.9734/ACSJ/2015/20508

Influence of Institutional Factors and Attitude on the Use of Herbicides by Farmers in Edo State, Nigeria

I. O. Uddin, I. A. Enwelu & E. M. Igbokwe · Chemical Science International Journal · 2015

The study was conducted to determine the influence of institutional factors and attitude on the use of herbicides by farmers in Edo State, Nigeria. The study was descriptive and experimental. Multistage sampling technique was used. Thus the total sample size for the study was one...

Open access Research Article 10.9734/ACSJ/2015/21624

Assessment of Crude Oil Mopping Efficiency of Ground Chicken Feathers: Kinetic and Adsorption Isotherm Studies

Kelle Henrietta Ijeoma & Udeozo Ifeoma Prisca · Chemical Science International Journal · 2015

Aims: To determine and compare the equilibrium adsorption capacity and adsorption process of crude oil onto ground chicken feathers and mixture of crude oil on water onto ground chicken feathers with that of a conventional synthetic sorbent mat determined under the same experimen...

Open access Research Article 10.9734/ACSJ/2015/20099

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