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Showing papers in "Journal of King Saud University - Science in 2016"


Journal ArticleDOI
TL;DR: In this article, a green approach for the synthesis of zinc oxide nanoparticles employing aqueous flower extract of Nyctanthes arbor-tristis was presented, and the resulting nanopowder was stored in dried form and was found to be stable after 4 months.

483 citations


Journal ArticleDOI
TL;DR: In this article, the most recent studies are reported on protection of meat, fruit and dairy products against the most common food pathogens by AgNPs-doped non-degradable and edible polymers and oils are reported.

330 citations


Journal ArticleDOI
TL;DR: In this article, a conformable time-scale fractional calculus of order α ∈]0,1] is introduced, and the conformable fractional derivative on a time scale T is introduced.

158 citations


Journal ArticleDOI
TL;DR: In this paper, the correct q-Hermite-Hadamard inequality was shown to be correct, and some q-midpoint type integral inequalities through q-differentiable convex functions were given for convex and quasi-convex functions.

155 citations


Journal ArticleDOI
TL;DR: In this article, the heat and mass transfer behavior of steady nanofluid flow between parallel plates in the presence of uniform magnetic field is studied, and the important effect of Brownian motion and thermophoresis has been included in the model of nanoffluid.

105 citations


Journal ArticleDOI
TL;DR: Phytoremediation catalyzed by natural solar driven pumps and their associated metabolic processes has emerged as a comparatively new approach and has proven to be one of the most effective environmental friendly strategies for removal, detoxification and decolorization of dyes.

95 citations


Journal ArticleDOI
TL;DR: In this paper, the vulnerability of water resources in Rawalpindi and Islamabad with the help of Analytic Hierarchy Process (AHP) keeping in view the complex, integrated, comprehensive and hierarchical nature of vulnerability evaluation of water resource.

69 citations


Journal ArticleDOI
TL;DR: In this article, the authors considered a non-instantaneous impulsive system represented by second order nonlinear differential equation with deviated argument in a Banach space X and used the strongly continuous cosine family of linear operators and Banach fixed point method to study the existence and uniqueness of the solution.

59 citations


Journal ArticleDOI
TL;DR: In this paper, a new fractional derivative is defined through the variational iteration method, and its application in explaining the excellent thermal protection of polar bear hairs is elucidated, and the fractal porosity of its inner structure makes a polar bear mathematically adapted for living in a harsh Arctic region.

58 citations


Journal ArticleDOI
TL;DR: In this article, a numerical scheme to solve space fractional order diffusion equation is proposed using shifted Chebyshev polynomials of the third kind, where fractional differential derivatives are expressed in terms of the Caputo sense.

57 citations


Journal ArticleDOI
TL;DR: In this article, a remarkably high growth rate of 0.56 nm per cycle at a substrate temperature of 200 ˚C for ZnO thin films has been achieved, which is the maximum growth rate for ALD-deposition-based thin films ever reported so far to the best of our knowledge.

Journal ArticleDOI
TL;DR: The anti-cancer activity generally enhanced with ameliorating antioxidant and antibacterial potential of fern’s flavonoids showed a significant in vitro antioxidant activity i.e. DPPH radical scavenging activity.

Journal ArticleDOI
TL;DR: In this paper, the PIA is applied to solve some types of fractional differential equations (FDEs) for the first time, and numerical solutions are compared with the results published in the literature by considering some FDEs.

Journal ArticleDOI
TL;DR: In this article, the authors derived the solution of the fractional kinetic equation involving generalized Bessel function of first kind and generalized Struve function of the first kind in terms of a generalized Borschtein function.

Journal ArticleDOI
TL;DR: In this article, a study was carried out to evaluate the variation of quality attributes among oils from different soybean varieties (Bovender special, Foster and F-8827).Oils were extracted using n -hexane as solvent.

Journal ArticleDOI
TL;DR: The results suggested that date fruit extract, especially Jihl and Bousrdon extract, is not only an important source of antioxidants, which possess a high protective effect of membrane against free radical, but also a potential source of antibacterial components.

Journal ArticleDOI
TL;DR: In this paper, the concept of fractional derivative of Riemann-Liouville on time scales was introduced, and the existence and uniqueness result for a fractional initial value problem on an arbitrary time scale was proved.

Journal ArticleDOI
TL;DR: In this article, numerical solutions of the linear and nonlinear Fokker-Planck partial differential equations (FPPDEs) with space and time fractional derivatives through analytical solutions are presented.

Journal ArticleDOI
Khalid Hattaf1, Noura Yousfi1
TL;DR: In this paper, the authors constructed a numerical method for a delayed viral infection model with general incidence rate and proved that the obtained discrete model has the same dynamics as the corresponding continuous model, such as positivity, boundedness and global behaviors of solutions with no restriction on the time step size.

Journal ArticleDOI
TL;DR: The results recommend that the green synthesized AgNPs have a potential to be used as a candidate for the control of A. stephensi and A. aegypti through eco-friendly and cost effective approach.

Journal ArticleDOI
TL;DR: In this article, the authors investigate abundance, distribution, structure and conservation status of three major ungulate species viz., Capra sibirica, Pseudois nayaur and Ovis ammon polii, in the Karakoram-Pamir mountain area between China and Pakistan.

Journal ArticleDOI
TL;DR: In this article, homotopy analysis method is successfully used to find the approximate solution of fractional order Van der Pol equation and numerical computations of convergence control parameters for the acceleration of convergence of approximate series solution are obtained by the analysis of minimization of error for different particular cases.

Journal ArticleDOI
TL;DR: Andrade, Analia as mentioned in this paper, Analia, and Andrade, Eduardo, 2013. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Conicet - Patagonia Norte; Argentina.

Journal ArticleDOI
TL;DR: In this paper, a discrete fractional difference equation in the Caputo delta's sense has an explicit solution in form of the discrete Mittag-Leffler function and the exact numerical values of the solutions are given in comparison with the truncated MLE function.

Journal ArticleDOI
TL;DR: In this paper, the maximum principle and the method of upper and lower solutions were used to study a class of nonlinear fractional boundary value problems with the Caputo fractional derivative 1 δ 2.

Journal ArticleDOI
TL;DR: In this paper, the fractional Black-Scholes equation in financial problem is solved by using the numerical techniques for the option price of a European call or European put under the BlackScholes model.

Journal ArticleDOI
TL;DR: In this article, the integro-differential equations which are combination of differential and Fredholm-Volterra equations that have the fractional order with constant coefficients by the homotopy perturbation and the variational iteration are studied.

Journal ArticleDOI
TL;DR: In this article, the level of anthropogenic impact on the immediate environment was evaluated using trace metal contamination (Pb, Cd, Ni and Mn) of water and aquatic macrophytes in Asa, Agba, Unilorin and Sobi (Moro) earthen dams.

Journal ArticleDOI
TL;DR: In this article, an attempt has been made to quantify plant phenolics from aqueous, ethanolic and methanolic extracts of stem-bark and root of H. mystax.

Journal ArticleDOI
TL;DR: In this article, the authors studied the behavior of heat and mass transfer during hydrogen generation in the core of the boiling water Reactor (BWR) in an average channel of the fuel assembly.