Showing papers in "Journal of Taibah University for Science in 2017"

TL;DR: In this article, the size and shape-dependent band gap energy of semiconductor compound nanomaterials (SCNs) is formulated and the model theory is based on the cohesive energy of the nanocrystals compared to the bulk ones.

TL;DR: In this paper, a co-precipitation method at a constant solution pH was used to synthesize double hydroxides intercalated with carbonate, nitrate, chloride and sulphate ions.

TL;DR: In this paper, the spectral and spatial performance of each classifier was compared using Pearson's r, the Structural Similarity Index Measure (SSIM), and the Root Mean Square Error (RMSE).

TL;DR: In this paper, the traveling wave solutions for different kinds of Korteweg-de Vries (KdV) equations were implemented by implementing the direct algebraic method.

TL;DR: In this paper, a phytoassisted synthesis of magnesium oxide nanoparticles with an aqueous extract of Swertia chirayaita is described, and stable MgONPs are formed by this extract.

TL;DR: A CaO-supported ZnWO4 nanocomposite was successfully synthesized using a novel hydrothermal method and was characterized by scanning electron microscopy (SEM), tunnelling electron micro...

TL;DR: In this article, a simple theory is proposed to study the size and shape-dependent specific heat, melting entropy and enthalpy of nanomaterials, which is based on a simple model.

TL;DR: In this paper, two types of dithiocarbamate ligands, one aliphatic and the other aromatic, were used as chelators to remove Pb, Cd, Cu and Zn from polluted water.

TL;DR: In this paper, a gamma ray spectroscopy system was used to assess the radiation hazards of building materials in humans and to identify the maximum contribution of radionuclide in radioactivity.

TL;DR: In this article, a series of quaternary glass systems with the composition 79TeO2-(20−x)Nb2O5-xB2O3-1V 2O5 was prepared using the melt quench technique.

TL;DR: In this article, activated carbon obtained from plantain peels was applied to the optimization of the adsorption process parameters for abstraction of colour from simulated dye effluent, which was achieved using response surface methodology (RSM) -Box-Behnken design, where factors considered are represented on three levels: (−1), (0) and (+1) for high, mean and low levels, respectively.

TL;DR: In this article, an electrospun ZnO fiber was found to have a polyvinyl acetate (PVAc) polymer, which was then annealed in the presence of oxygen until organic molecules were decomposed.

TL;DR: In this article, five trace metals in Leptodius exarata, epipellic sediments and surface water from an intertidal ecosystem in the Niger Delta (Nigeria) were studied to evaluate their spatial distributions, degrees of contamination, and associated ecological and health risks.

TL;DR: In this article, the authors constructed the analytical solutions of some nonlinear equations involving Jumarie's modified Riemann-Liouville derivative in mathematical physics; namely, the space-time fractional Calogero-Degasperis (CD) equation and the space time fractional potential Kadomtsev-Petviashvili (PKP) equation by using a simple method called the fractional sub-equation method.

TL;DR: A series of Ag nanoparticles impregnated on zeolite X (Ag-ZX) containing various amounts of Ag (in wt%) were prepared via impregnation method.

TL;DR: In this article, a spinel structure was confirmed from XRD and FTIR studies and the average crystallite size of Mn3O4 nanoparticles was determined from Scherrer formula (39.9 nm) and Williamson-Hall relation (36.5 nm).

TL;DR: The annual average effective doses for diagnostic radiology, nuclear medicine, and radiotherapy workers were found to be 0.66, 1.56, and 0.28 mSV, respectively, well below the international recommended dose limit of 20 mSv.

TL;DR: In this paper, the Super Strain-B showed reduced mineral (N, P, K, Mg) uptake and K/Na ratio as well as increased Na uptake and N/P ratio in response to salinity.

TL;DR: A multi-regression model was developed for conceptual initial cost estimation of conventional and sustainable college buildings in North America and was successfully tested and validated with real-time data.

TL;DR: A study of the terrestrial BIR levels to estimate the excess lifetime cancer risk in Warri city has been carried out, using a Digilert 100 nuclear radiation monitor and a GPS for GIS mapping as mentioned in this paper.

TL;DR: In this article, a simple microwave method was used to synthesize BiPO4 nanomaterials using EDTA (ethylene diamine tetra acetic acid) as the surfactant via a simple microwaved method.

TL;DR: In this paper, the existence of solution to a nonlinear coupled system of fractional order differential equations (FDEs) is investigated and appropriate conditions are developed by using a fixed point theorem of Leray-Schauder type to the considered problem.

TL;DR: In this paper, a review of the one-pot multicomponent synthesis of annulated nitrogen and oxygen-containing heterocycles is presented, such as pyrano[2,3-d ]pyrimidines, pyrido[ 2, 3-d, 5-6-d ], and pyridines.

TL;DR: In this paper, a variety of solitary wave solutions for microtubules (MTs) are observed for NLEEs involving parameters of special interest in nanobiosciences and biophysics.

TL;DR: In this paper, a class of scalar and vector nonlinear Volterra integro-differential equations of the first order with a constant delay is considered, and the authors demonstrate the stability, uniform stability, boundedness, convergence and square integrability of the solutions.

TL;DR: In this paper, the chemical and antioxidant properties of the ethanolic extract of Tetrapleura tetraptera fruit peels were investigated using GC-MS and showed that the extract exhibited high antioxidant activities both in vitro and ex vivo, as indicated by its ability to scavenge DPPH and nitric oxide as well as inhibition of lipid peroxidation.

TL;DR: In this paper, simple and precise HPTLC methods were developed for the simultaneous estimation of two anti-inflammatory drugs (curcumin and galangin) with no interference from ingredients.

TL;DR: In this paper, a modified coal fly ash was used as a catalyst to convert waste cooking oil (WCO) into biodiesel under microwave-strengthened action, and the experimental results showed that the modified co-fly ash catalyst improved biodiesel yields under the microwave-assisted system and reached 94.91% at a molar ratio of methanol to WCO of 9.67:1.

TL;DR: In this paper, the anticorrosion effect of 5-hydroxytryptophan (5-HTP) on mild steel was investigated by gravimetric and electrochemical techniques.

TL;DR: The 3β-chlorocholest-5-ene has been synthesized and characterized successfully and a single crystal X-ray investigation of the compound revealed that the van der Waals interactions played a key role in the formation of the elementary structure as discussed by the authors.