In the present work, optimization of extraction natural dye from neem (Azadirachta indica) leaves with respect to dye bath concentration on silk fabric was studied before and after exposing to artificial daylight for 160 h. The effect o...
Open access
Research Article10.9734/AJOPACS/2018/40614
Objectives: The objectives of this research are 1) to examine the units of parameters in quasi-steady state approximation (QSSA) equations (inequalities) with a view to confirming or otherwise the dimensional consistency, 2) to slightly modify the general equation of rate constan...
Open access
Research Article10.9734/AJOPACS/2018/40904
2-Dimensional imaging was used to investigate the presence of leachate and contaminant plume around septic tank within the Staff Quarters in University of Benin, Benin City, Nigeria. This conventional 2-D electrical resistivity survey method was carried out by engaging the Wenner...
Open access
Research Article10.9734/AJOPACS/2018/40338
PbSe thin films were electrodeposited onto ITO substrate with variation of deposition voltage (1-5V). The deposited thin films were characterized using the four point probe technique to determine their electrical properties. The sheet resistivity of the thin films was found to v...
Open access
Research Article10.9734/AJOPACS/2018/40383
By applying quantum tunneling effect for photons generated from ZPF vacuum, it is considered that some of them can be generated as superluminal particle. If they have electric charges, they radiated electromagnetic energy by the Cherenkov effect. This leads to another explanation...
Open access
Research Article10.9734/AJOPACS/2018/40340
Total petroleum hydrocarbon (TPH) is of immense interest to environmental chemist because they are toxic to human system and animals. Some of the TPH compounds are carcinogenic and poses serious health problem to humans and aquatic life. Hence, there is need for continuous check...
Open access
Research Article10.9734/AJOPACS/2018/38035
Fused pyrimidines,2,4,6,8-Tetrahydro-5-(4/-ethylphenyl)-10-aryl-2,4,6,8-tetraoxo-5H,10H-pyrido[2,3-d:6,5-d/]dipyrimidines, were prepared in good yield through a simple, clean and three-component one-pot cyclo-condensation reaction of a barbituric acid, aromatic aldehyde and 4-eth...
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Research Article10.9734/AJOPACS/2018/39709
Aims: The following study is aimed to prepare five derivatives of 2-thiobarbituric acid under microwave irradiation (MWI) and conventional heating method and investigate their biological activities. Study Design: A classic white ProLine Microwave (720 W, 2450 MHz) with nine power...
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Research Article10.9734/AJOPACS/2018/40562
This work presents the results of sorption studies of orange G and phenol Red dyes onto palm kernel shell activated carbon (PKS-AC). The adsorbent was prepared by chemical activation using zinc chloride. The effect of various parameters such pH, initial ion concentration, contact...
Open access
Research Article10.9734/AJOPACS/2018/39338
The response of maize (Zea may L.) to heavy metals (Cd, Cr, Cu, Pb and Zn) contamination was investigated in field experiments to predict the potential of the plant to extract metal toxicants. Experimental field was amended with increasing loads (2–10 kgha-1) of either metal salt...
Open access
Research Article10.9734/AJOPACS/2018/39958
Nuclear medicine is a powerful diagnostic technique capable of detecting inflammatory points in human disease by using radiolabeled compounds. The ideal compound for imaging infection should be specific for an infected site with minimal side effects, low marrow, gut and renal upt...
Open access
Research Article10.9734/AJOPACS/2018/40170
The use of technology in agriculture has paved ways for new farming techniques across the globe and the benefits cannot be overemphasised. These benefits include an increase in the quality and quantity of crops produced, minimising cost of farming, providing suggestions for promp...
Open access
Research Article10.9734/AJOPACS/2018/39653
Background and Aim: Chitin, a naturally occurring polysaccharide was isolated from the shells of crabs. The chitin was chemically modified to give alkali chitin, carboxymethyl chitin, highly deacetylated CM chitosan and highly deacetylated chitosan. The highly deacetylated chito...
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Research Article10.9734/AJOPACS/2018/38599
The toxic pollutants released from oil and gas activities typically takes years of clean-up and reclamation. Hence, creating the need for new nano-materials that can function as adsorbents, filter membranes, and coating materials, which offer a molecular level of control in separ...
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Research Article10.9734/AJOPACS/2018/39683
The ligand S-(5-methoxy-1H-benzimidazole-2-yl) thiophene-2-carbothioate (BTC) and its Co(II), Ni(II), Cu(II) and Zn(II) metal complexes have been synthesized, structurally characterized by physicochemical and spectroscopic tools (Uv-vis, FT-IR, NMR, Lc-mass). The powder XRD analy...
Open access
Research Article10.9734/AJOPACS/2018/39565