Volume 1 ,June 2024

The importance of metal nanoclusters (MNCs) and their remarkable opto-physical properties as inorganic fluorescent quantum dots for bio-imaging and applications in medical diagnosis were studied. Their significance as good replacements for oftentimes, less-effective organic analogues was demonstrated. Silver and copper nanoclusters were prepared by reducing their metal ions with sodium borohydride in aqueous solutions. Atomic force microscopy results showed that silver and copper nanoclusters with an average size of approximately 1.40 nm were synthesized from their salts.

This study investigated the environmental and health impact of gas flaring of the OML147 flow station located at Owa-Alidinma, Delta State. Air quality parameters were measured in four locations. Carbon (iv) oxide, CO2, measurements were carried out using a non-dispersive infrared (NDIR) analyzer, particulate matter PM2.5 and PM10 measurements were conducted using beta attenuation monitor (BAM) and a tapered element Oscillating microbalance (TEOM) respectively. Noise levels were assessed using a sound level meter.

The presence of sediment deposition and erosion in the Nun River significantly impacts water quality. While sediment deposition fosters habitats for aquatic life, excessive sediment can lead to pollution and turbid water, hampering photosynthesis and endangering organisms. Conversely, insufficient sediment diminishes habitat availability for bottom-dwelling organisms. This study aims to model sediment yield and river bank erosion in the Nun River Basin.

We study the work function of low index surface (100) of diamond (face-centered) carbon using pseudopotential plane-wave density functional calculations with the generalized gradient approximation. We consider clean, unrelaxed surfaces in the slab-supercell approximation at 0 K. Particular attention is paid to the convergence of the vacuum in the slab model with respect to slab thickness. The obtained work function, 7.53 eV, shows a slight deviation from the experimental value.

Ivermectin is the standard medical intervention prescribed by the World Health Organization for the treatment of Human-Blackfly Onchocerciasis. This treatment is supposed to be administered twice yearly for between ten to fifteen years. This paper numerically examined the effect of unsuccessful treatment on transference dynamics of Human-Blackfly Onchocerciasis in the human society.

The purpose of this study was to assess the proximate composition, phytochemical and mineral element profile of garlic, providing insight into its possible culinary uses and health advantages. The results obtained for proximate analysis of Allium sativum (garlic) showed carbohydrates (62± 0.95%), crude fibre (1.66± 0.03%), ash (3.01 ± 0.14%), crude fat (6.05±0.78%), protein (15.37 ±1.71%) and moisture (10.62±0.69%). The results showed that Allium sativum has a high carbohydrate content and low value of moisture content indicating a longer shelf life.

This paper proposes a 4-step block method for the numerical solution of first to fifth orders of ordinary differential equations (ODEs). The coefficients of the proposed scheme are obtained through interpolation and collocation techniques using a polynomial as its basis function. The derivatives were collocated at grid and off-grid points, excluding the endpoints and the method is of order 9. The stability properties of the proposed formulas are analyzed.

Groundwater plays a crucial role in supporting human activities and ecosystems. This study conducted a thorough evaluation of the significant of groundwater potential in the study area using Geographic Information System (GIS) techniques. Various thematic maps, such as those depicting lineament density, drainage density, slope, soil, precipitation, and land use land cover, were created and integrated into the analysis. The Analytic Hierarchy Process (AHP) method was utilized to assign weights to each thematic map, achieving a consistency index of 0.61.

Tetracarpidium conoforum, (family-Euphorbiaceae), root bark was investigated for its Phytoconstituents and chemical characterization by high performance liquid chromatography (HPLC). The root bark was extracted by hexane and concentrated for further analysis. A portion of the crude extracts recovered by rotary evaporator was screened for their phyto constituents using standard methods and the other portion isolated by vacuum liquid chromatograpy (VLC) was characterized by infra red spectroscopy and HPLC.