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All published articles 117719

Adapting Nigeria Cities to Climate Change using Design Options: A Review

Ifeanyi C. Enete, M. C. Officha, A. M. Ezezue & P. C. Agbonome · Current Journal of Applied Science and Technology · 2012

Problem Statement: Nigeria like the rest of the entire continent of Africa is considered highly vulnerable to climate change because of its high exposure and sensitivity, limited adaptive capacity, poverty, illiteracy, food insecurity, and disease all of which interact with Clima...

Open access Research Article 10.9734/BJAST/2012/1696

Nutritional and Sensory Characteristics of an Infant Food Based on Soybean Seeds (Glycine max) and Tigernut Tubers (Cyperus esculenta)

C. A. Emmanuel- Ikpeme, I. O. Ekpeyoung & G. O. Igile · Current Journal of Applied Science and Technology · 2012

Aims: To evaluate the nutritional and sensory characteristics of soybean and tigernut based infant food that could be adoptable at house-hold level by rural dwellers. Study Design: Randomized design. Place and Duration of Study: Department of Biochemistry, University of Calabar,...

Open access Research Article 10.9734/BJAST/2012/1341

Carbon Footprint Analysis for the Waste Oil Management System in Portugal

Ana Pires & Graça Martinho · International Journal of Environment and Climate Change · 2012

Aims: The study analyzes the carbon footprint of the waste oil management system operating in Portugal to ensure the sustainable operation in the future. The analysis was carried out in 2011for the system that is composed of a treatment procedure collecting the treated oil for re...

Open access Research Article 10.9734/BJECC/2012/2272

Study on the Distribution of Heavy Metals in Different Tissues of Fishes from River Benue in Vinikilang, Adamawa State, Nigeria

J. C. Akan, M. Salwa, B. S. Yikala & Z. M. Chellube · Current Journal of Applied Science and Technology · 2012

Aims: This study is aimed to determine the levels of some heavy metals in different species of fish and to compare the results with other standard values.  Study Design: The gills, liver, stomach, kidney, bones and flesh of four common fish species (Tilapia zilli, Clarias anguill...

Open access Research Article 10.9734/BJAST/2012/1716

Groundwater Modelling, An Effective Tool in the Assessment of Groundwater Contamination: A Case Study of Umunwanwa in Umuahia-South, Abia State, Nigeria

C. Amos-Uhegbu, M.U. Igboekwe, K.T. Eke & R.U. Adindu · Current Journal of Applied Science and Technology · 2012

To determine the environmental suitability (impacts on groundwater) of an excavated pit located within the eastern boundary of Umunwanwa for any form of waste discharge (sewage or solid waste), modelling approach was adopted. A thorough geophysical / hydrogeological investigation...

Open access Research Article 10.9734/BJAST/2012/1518

A Food Chain Model with Ratio-dependent Functional Response, Impulsive Perturbations and Feedback Controls

Jian-wen Jia & Jian-feng Liu · Journal of Advances in Mathematics and Computer Science · 2012

In this paper, a food chain system with ratio-dependent functional response, impulses,feedback controls and delays is studied. By using the theorem of coincidence degree, homotopy invariance property and Lyapunov’s approach, a set of sufficient conditions for ensuring the existen...

Open access Research Article 10.9734/BJMCS/2012/1230

Biparameter Homotopy-based Direct Current Simulation of Multistable Circuits

H. Vazquez-Leal, R. Castaneda-Sheissa, A. Yıldırım, Y. Khan, A. Sarmiento-Reyes, V. Jimenez-Fernandez, A.L. Herrera-May, U. Filobello-Nino, F. Rabago-Bernal & C. Hoyos-Reyes · Journal of Advances in Mathematics and Computer Science · 2012

The microelectronics area constantly demands better and improved circuit simulation tools. This is the reason that this article is to present a biparameter homotopy with automated stop criterion, which is applied to direct current simulation of multistable circuits. This homotopy...

Open access Research Article 10.9734/BJMCS/2012/1346

Strong Convergence Theorems for Asymptotically Pseudocontractive Mappings in the Intermediate Sense

J. O. Olaleru & G. A. Okeke · Journal of Advances in Mathematics and Computer Science · 2012

In this study, we prove a strong convergence of Noor type scheme for a uniformly L-Lipschitzian and asymptotically pseudocontractive mappings in the intermediate sense without assuming any form of compactness. Consequently, we also obtain a convergence result for the class of asy...

Open access Research Article 10.9734/BJMCS/2012/1569

Solitary Wave, Periodic Cusp Wave and Compactons of the (2+1)-Dimensional KP-Like K(m,n) Equation

Libing Zeng & Shengqiang Tang · Journal of Advances in Mathematics and Computer Science · 2012

By using the bifurcation theory of dynamical systems to the generalized KP equation, under different parametric conditions, various sufficient conditions to guarantee the existence of the solitary wave solutions, periodic cusp wave solutions and compactons solutions are given. So...

Open access Research Article 10.9734/BJMCS/2012/1420

Effect of Different Decontamination Methods on Microbiological Aspects, Bioactive Constituents and Antibacterial Activity of Turmeric (Curcuma longa Linn.) Powder

Sasitorn Chusri, Sanan Subhadhirasakul, Nurhakeem Tahyoh, Chareefah Billateh, Chayanon Chaowuttikul, Julalak Chorachoo & Supayang Piyawan Voravuthikunchai · European Journal of Medicinal Plants · 2012

Turmeric (Curcuma longa Linn.) has long been widely used for food, food additives, and traditional medicine. This study was aimed to assess effects of different decontamination procedures of turmeric rhizomes on microbiological quality and bioactive constituents of aseptically pr...

Open access Research Article 10.9734/EJMP/2012/1298

Haematological and Hepatotoxic Potential of Onion (Allium cepa) and Garlic (Allium sativum) Extracts in Rats

Enitan Seyi Samson, Ajeigbe Kazeem Olasunkanmi, Josiah Sunday Joel & Ehiaghe Friday Alfred · European Journal of Medicinal Plants · 2012

Aims: To evaluate and compare the effects of single and combined oral administration of fresh aqueous onion (Allium cepa) and garlic (Allium sativum) extracts at different concentrations (200mg/kg/d, 400mg/kg/d and 600mg/kg/d) on some haematological and hepatotoxicity indicator p...

Open access Research Article 10.9734/EJMP/2012/1517

Assessment of the Activity of Selected Indian Medicinal Plants against Mycobacterium tuberculosis: A Preliminary Screening Using the Microplate Alamar Blue Assay

Tannaz Birdi, Desiree D’souza, Monica Tolani, Poonam Daswani, Vinita Nair, Pundarikakshudu Tetali, Juan Carlos Toro & Sven Hoffner · European Journal of Medicinal Plants · 2012

Aim: Identification of anti-Mycobacterium tuberculosis agents of plant origin, against sensitive and multidrug resistant (MDR) strains. Study Design: Assessing anti-M. tuberculosis activity of five Indian medicinal plants, which have been reported in traditional literature for va...

Open access Research Article 10.9734/EJMP/2012/1638

Comparison of the Microwave-Assisted Hydrodistillation with the Traditional Hydrodistillation Method in the Extraction of Essential Oils from Ferulago angulata (Schelcht.) Boiss

Jila Asghari, Cheshmnaz Khamoie Touli, Mohsen Mazaheritehrani & Mahnaz Aghdasi · European Journal of Medicinal Plants · 2012

Aims: The evaluation of the chemical constituents and the percentages of extracted volatile oils from the aerial parts of Ferulago angulata (Scheleht.) Boiss (Apiaceae) by using MAHD and HD. Study Design: Extraction of essential oils from F. angulata through traditional hydrodist...

Open access Research Article 10.9734/EJMP/2012/1488

Synthesis of Organometallic-Based Biologically Active Compounds: In vitro Antibacterial and Antifungal of Asymmetric Ferrocene-Derived Schiff-Bases Chelates

W. H. Hegazy · International Research Journal of Pure and Applied Chemistry · 2012

Asymmetric 1,1`-disubstituted ferrocene-derived Schiff-bases have been prepared and used as ligands in the preparation of their novel Pd(II) and Pt(IV) metal chelates. The synthesized ligands and their metal chelates have been characterized by their physical, analytical and spect...

Open access Research Article 10.9734/IRJPAC/2012/1627

Micrometer–Range Pattern Formation of Crystal Films from Liquid Thin Films of Maleimide Methanol Solution

Janice B. Rabor, Toshifumi Yoshidome, Keigo Tamaki, Yuki Tsurumura, Brian J. Sarno & Morihide Higo · International Research Journal of Pure and Applied Chemistry · 2012

Crystal films of maleimide were produced from methanol solution liquid thin film climbing a vertical glass substrate. Optical microscopy and infrared (IR) spectroscopy were used to evaluate the crystal films. Maleimide methanol solution produced four banded crystal films with dif...

Open access Research Article 10.9734/IRJPAC/2012/1674