Medicinal plants are valuable natural sources for the development of potentially safe drugs. The biological activities associated with these plants are due to the presence of certain phytochemicals that act individually or synergistically. Thus, this study examined the phytochemi...
Open access
Research Article10.9734/CSJI/2020/v29i430170
Introduction: The constant impact on the environment occasioned by pollution, indiscriminate application of agricultural chemicals, security challenges and crisis in the Niger Delta ecological area of Nigeria has caused severe damage to plants, soil organisms and humans. Aim and...
Open access
Research Article10.9734/CSJI/2020/v29i330169
The problem of ground water pollution in several parts of the country has become so acute that unless urgent steps for detailed identification and abatement are taken, extensive ground water resources may be damaged. The quality of ground water depends on a large number of indivi...
Open access
Research Article10.9734/CSJI/2020/v29i330168
Defined are the physicochemical properties of three mountain spring waters in the area of Vasiliovska mountain, Municipality of Teteven, Bulgaria. Vasiliovska mountain is in the central part of Stara Planina (Balkan) mountain. The methodology is including research of physicochemi...
Open access
Research Article10.9734/CSJI/2020/v29i330167
Open dumpsites are one of the main sources of heavy metals and as a result, lots of research has been undertaken on the pseudo-total content of heavy metals in dumpsite soils, but little research on the forms in which they exist. The current research was carried out to determine...
Open access
Research Article10.9734/CSJI/2020/v29i330166
Grätzel cells mimic the process of plant photosynthesis, and these new dye-sensitized cells take the imitation even closer, the new chemical combination gives them a greenish tint. Pt/TiO2/Dye modified electrode shows two pair of oxidation peaks at 256 and 474 mV which is ascribe...
Open access
Research Article10.9734/CSJI/2020/v29i330165
Extraction and characterization of carrier oil has been conducted experimentally on coconut, avocado and carrot oil. FTIR scan analysis was carried out on the extracted oil. Also physical and chemical properties of the carrier oils were assessed to evaluate oil quality including...
Open access
Research Article10.9734/CSJI/2020/v29i230163
The effect of drilling waste on urease activities and substrate-induced respiration in wetland soil of Niger Delta of Nigeria was investigated, using Fadama, mangrove and meander soils respectively. Urease activity and substrate-induced respiration (SIR) were measured after 1, 7,...
Open access
Research Article10.9734/CSJI/2020/v29i230162
The adsorptive efficiency of activated carbon produced from corncob was compared to commercial activated carbon in the adsorption of light alkanes contaminant in hydrogen gas product. The adsorption was measured over a constant temperature of 27°C and at pressures up to 125 kilo...
Open access
Research Article10.9734/CSJI/2020/v29i230159
MoS2 is one of the most advanced solid lubricants that have been used in many machineries. In this work, the effect of humidity on the friction of MoS2 solid film lubricant is investigated using a pin-on-disk tribometer. MoS2 film was coated by a thermal evaporation method on a t...
Open access
Research Article10.9734/CSJI/2020/v29i230160
Tribology investigations were conducted to understand the effect of humidity and water adsorption at the interfacial surface on the friction coefficient of titanium. Pin-on-disk tribometer tests were conducted at different levels of humidity ranging from 0% to 71% RH using alumin...
Open access
Research Article10.9734/CSJI/2020/v29i230158
Aim: The aim is to investigate some physicochemical properties of beers and polycyclic aromatic hydrocarbons contaminants in beer brewed with isomerized hop extract and in comparison with beers brewed with extracts from four Nigerian potential hop substitutes. Study Design: Beers...
Open access
Research Article10.9734/CSJI/2020/v29i130157
This study evaluates the development of a substitute and alternative solid fuel in the form of briquette from agricultural wastes (rice husk, sawdust and cotton stalk charcoal). Four sets of briquette with different grades were produced using a discontinuous briquette production...
Open access
Research Article10.9734/CSJI/2020/v29i130156
Sorption techniques are widely used to remove heavy metal ions from large volume of aqueous solutions, this plays a vital role in controlling environmental pollution. Herein, the sorption of Pb2+, Cu2+ and Zn2+ with blended membrane of sodium alginate (Na-Alg) and immobilized kar...
Open access
Research Article10.9734/CSJI/2020/v29i130155
The extraction of BPA (Bisphenol A) from aqueous solutions was performed using A set of three-dimensional spiral plate-type microchannel (3D-SPM) by emulsion liquid membrane (ELM). In the continuous extraction experiments, the effect of the flow rate ratio of emulsion to external...
Open access
Research Article10.9734/CSJI/2020/v29i130154