The spatial variations in groundwater quality in parts of the Yenagoa watershed (YWS) in the Niger Delta Region of Nigeria has been investigated using Geographic Information System (GIS). An understanding of the factors responsible for groundwater vulnerability could facilitate t...
Open access
Research Article10.9734/ajopacs/2019/v7i230093
This paper included two objectives: (i) Synthesis of Polymer {poly 2- [1- phenyl -3-(4-methyl phenyl)-4, 5-dihydropyrazole-5-yl-(4-phenoxy carbonyl)] styrene} PMDPCS and structure characterized by FT-IR, 1H-NMR spectra and Uv/Vis and XRD. (ii) Synthesis of chalcone {3-(4-(dimethy...
Open access
Research Article10.9734/ajopacs/2019/v7i230092
The kinetic approach to the reduction of ethylenediaminetetraacetatoferrate(III) complex (hereafter [Fe(III)EDTA]-) by iodide ion has been studied spectrophotometrically in an aqueous acidic medium. The study was carried out under pseudo-first order conditions of an excess of iod...
Open access
Research Article10.9734/ajopacs/2019/v7i230091
Aims: To determine the concentrations of heavy metals (Cd, Fe, Mn, Pb, and Zn) in kidney and liver of slaughtered cattle. Study Design: Analytical method. Place and Duration of Study: Samples obtained from Gwagwalada abattoir in Abuja, Nigeria and transported University of Abuja...
Open access
Research Article10.9734/ajopacs/2019/v7i230090
In this study, results of the variation of maximum and minimum radio horizon distance derived from the computation of surface refractivity through measurement of temperature, relative humidity and pressureacrosssevenlocations((Akure (7.15°N, 5.12°E), Lagos (6.30°N, 3.20°E), Abuja...
Open access
Research Article10.9734/ajopacs/2019/v7i230089
Controlled burning of rice husks at<700°C produced rice husk ash (RHA) which is predominantly amorphous silica (SiO2). RHA was used as a substitute for laterite and cement in proportions of 5%, 10%, 15%, 20%, 25% and 30% of concrete. The concrete was cured for 7 days, 14 days,...
Open access
Research Article10.9734/ajopacs/2019/v7i130088
The Li+ co-doped Y2O3: Ho3+/Yb3+ films were prepared with sol-gel method and spin-coating technique. The effects of Li+ on the structure and luminescent properties of the films were investigated. The results show the grain size increased first and then decreased with the increase...
Open access
Research Article10.9734/ajopacs/2019/v7i130087
Background: Researchers who have shown interest in the consequence of introducing dry biomolecules or a solution of it into cosolvents generally known as osmolyte, have applied many models for the elucidation of the scientific basis of the results obtained. The Kirkwood and Buff...
Open access
Research Article10.9734/ajopacs/2019/v7i130086
This paper investigates the theoretical description of different shapes of copper nanoparticle in water based fluid. Analytical solution of the governing hydrodynamic equations and graphs plotted. The work showed that heat transfer is rapid due to the presence of radiation. Incre...
Open access
Research Article10.9734/AJOPACS/2019/46301
The radionuclides present in soils from selected oil and gas producing communities in Delta Central, Delta State, Nigeria, were qualitatively and quantitatively determined using gamma-ray spectrometry with a view of evaluating the radiological health hazard fallout of the oil and...
Open access
Research Article10.9734/AJOPACS/2018/43774
Low-power helium-neon laser recently has been used numerously in medical applications. FTIR and UV-Vis spectroscopic technique is employed to study the spectral differences in the serum of whole blood samples. Aims: To study (He-Ne) laser (λ= 632 nm, power=2 mW) effect on human w...
Open access
Research Article10.9734/AJOPACS/2019/46214
Bitumen exploitation has resulted in the destruction of organisms over a large expanse of land and water bodies. Thus, the aim of this present study is to collect soil and plant samples at bitumen exploitation affected areas of Gbeleju-Loda Ode-Irele, Ondo State, Southwestern Nig...
Open access
Research Article10.9734/AJOPACS/2018/46230
Vertical Electrical Sounding (VES) and physicochemical analysis techniques were carried out at TifinmadzaMokwa to investigate the degree and impact of the waste dumpsite on the quality status of soil and groundwater. Thirty Vertical Electrical Sounding points were investigated. T...
Open access
Research Article10.9734/AJOPACS/2018/45413
The temporal transport of heavy metals like Iron (Fe), Manganese (Mn), Zinc (Zn), Lead (Pb), Copper (Cu), Chromium (Cr), Cobalt (Co) and Cadmium (Cd), deposited in the soil of Eleme in Rivers state Nigeria due to industrial activities was studied. Advection-Dispersion equation wa...
Open access
Research Article10.9734/AJOPACS/2018/42963
Introduction: Researchers adopt different duration of the assay for a given concentration of the enzyme using different substrate concentration ranges. The kinetic parameters (KP) may not be the same for the different duration of the assay. Therefore, it is imperative to determin...
Open access
Research Article10.9734/AJOPACS/2018/44468