Aspilia africana flower dye was extracted by using ethanol as solvent. Absorbance of the extracted dye were measured at different wavelengths and used in fabricating Dye sensitized solar cells. The mixture of dye with TiO2 indicates changes in absorbance values and the phytochemi...
Open access
Research Article10.9734/BJAST/2014/12416
Air quality monitoring could potentially improve exposure estimates use in epidemiological studies. Air quality was investigated by monitoring concentrations of 222Rn near the ground at 1 m height and particulate matter (PM) with an aerodynamic diameter less than or equal to 10 μ...
Open access
Research Article10.9734/BJAST/2014/5723
Fingerprint has continued to enjoy dominance over other biometrics like face, iris, nose, signature among others in human verification and authentication. This is promoted by its major characteristics which include availability, uniqueness, consistency and reliability. Fingerprin...
Open access
Research Article10.9734/BJAST/2014/12218
Light Emitting Diode (LED) phototherapy (SEDRA 811) luminaire from Medical Engineering Group (MEG) was improved after the collaboration between the R&D group of MEG and National Institute for Standards (NIS). The initial LED luminaire consists of 10 Blue super LEDs which prov...
Open access
Research Article10.9734/BJAST/2014/12796
Pressure traverse in multiphase flow differs from single phase flow due to the differential flow rates of the different phases. Correlations developed to predict multiphase flow pressure traverse are mostly for vertical wells but Beggs and Brill model is one of the few models tha...
Open access
Research Article10.9734/BJAST/2014/12985
In the present study, structural modification of mangiferin was carried out for structure activity relationship studies. One new compound and three known derivatives were prepared from mangiferin. All these compounds were synthesized and purified by standard procedures, identifie...
Open access
Research Article10.9734/BJAST/2014/12745
Kola nuts are usually eaten fresh and represent a substantial source of income for many households and certain public authorities. Their importance lies in their content of some secondary metabolites of interest used in industries for the production of energy drinks and pharmaceu...
Open access
Research Article10.9734/BJAST/2014/11561
Cucumis melo, a plant found in Cameroon, is being used at the artisanal scale as vegetable in some Cameroon local dishes. These extracts are still to be exploited at the industrial level. In order to add more value to the Cameroon vegetative potential in general, the optimisation...
Open access
Research Article10.9734/BJAST/2014/13441
Aims: To characterize the shale samples from Agbada formation and to develop an inhibitive water-based mud for the shale types. Study Design: Experimental. Place and Duration of Study: Department of Petroleum, University of Port Harcourt Rivers State, Agbada Formation Niger-Delta...
Open access
Research Article10.9734/BJAST/2014/12754
The objectives of this study were compare an alternative method for cocoa beans sampling with the standard method proposed by the European Union (EC 401/2006) and validate a method of Ochratoxin A determination. The alternative method applies to samples of 5 kg of cocoa beans whi...
Open access
Research Article10.9734/BJAST/2014/11562