A harmonious experimental–gauge approach was used to examine the ability of biogenic manganese oxide, formed in the cultures of a Mn(II) oxidizing bacteria, Mn 21 to sequester Ni(II) and Zn(II) ions. Batch experiments were carried out in order to model and optimize the biosorptio...
Open access
Research Article10.9734/AIR/2016/23571
In this paper, we present the derivation and implementation of a quarter-step method for the integration of first-order modeled differential equations. The quarter-step method was developed using Laguerre polynomial of degree six as our basis function via interpolation and colloc...
Open access
Research Article10.9734/AIR/2016/25688
The transesterification of crude jatropha oil (CJO) to biodiesel using Bi-ZnO (bi-zinc oxide) as a solid catalyst was investigated. The catalyst was prepared by co-precipitation technique, calcined and characterized with XRD, TEM and the surface area, pore volume and pore size di...
Open access
Research Article10.9734/AIR/2016/20716
Aims: The objectives of the in vitro study were to examine the applicability of thermodynamic models for the interaction of reaction mixture components to enzyme catalyzed reaction, and to determine the effect of co – solutes on the velocity of hydrolysis of a substrate with alph...
Open access
Research Article10.9734/AIR/2016/24269
Echekoba Felix Nwaolisa & Ananwude Amalachukwu Chijindu·Advances in Research·2016
This study is an intent to determine the influence of financial structure on profitability with special reference to oil and gas firms in Nigeria. Ten (10) out of the fourteen (14) listed oil and gas firms in Nigerian Stock Exchange were selected. The financial data from 1993 to...
Open access
Research Article10.9734/AIR/2016/24568
In this paper, we prove Kannan’s fixed point theorem in a cone hexagonal metric space. Our result extend and improve the recent result of Jleli and Samet [The Kannan’s fixed point theorem in a cone rectangular metric space, J. Nonlinear Sci. Appl., 2 (2009), 161 - 167], and many...
Open access
Research Article10.9734/AIR/2016/25272
Aims: Hyperglycemia has been posited to have an effect on the healing process at the cellular level, particularly on fibroblasts that produce extracellular matrix components including collagen. However, the mechanisms underlying this process have yet to be fully elucidated. In ad...
Open access
Research Article10.9734/AIR/2016/25173
Drought is one of the most worrying manifestations of variability and change of climate in many West African countries. Due to its threats on human life, socio-economic activities, agricultural productivities, shortage of water, natural resources and environments, the problems re...
Open access
Research Article10.9734/AIR/2016/25349
Priscila Marcelino dos Santos Silva, Luana Cassandra Breitenbach Barroso Coel & Maria Tereza dos Santos Correia·Advances in Research·2016
Changes in glycosylation profiles have emerged as indicators of diseases. Altered glycans and glycoproteins secreted by pathological tissues are found in human serum and are potential glycobiomarkers for early diagnostic and prognostic of diseases such as inflammation, infection...
Open access
Research Article10.9734/AIR/2016/24734
Oladipupo A. Lawal, Isiaka A. Ogunwande, Andy R. Opoku & Adebola O. Oyedeji·Advances in Research·2016
Aims: The study investigates the essential oil obtained from the rhizomes of Cyperus distans collected from different location, and compared the result with previous sample and other reports on the chemical composition of essential oils from several species of the genus Cyperus....
Open access
Research Article10.9734/AIR/2016/25252