Mohammad Mahtab Alam

King Khalid University | KKU · Basic Medical Science

We empirically analyzed the role of economic growth, globalization, intensity of energy use, and technological innovation on the load capacity factor in Thailand. We utilized the newly developed robustness dynamics “Autoregressive Distributed Lag (ARDL)” model over the course of 1980 to 2018. Our model revealed that economic growth and energy use w...

The contemporary literature has argued multiple factors affecting the innovation performance of a country. However, the frequency of studies exploring the terrorism-innovation nexus is quite low. To fill this gap, the current study is another attempt that quantifies the impact of terrorism on innovation performance. For empirical analysis, we utili...

This article explores unsteady stagnation point electrohydrodynamic hybrid nanofluid flow over a convectively heated shrinking/stretching surface. The heat sink/source and velocity slip scenarios are considered to evaluate the fluid flow. The coupled system of governing partial differential equations is transformed into ordinary differential equati...

The present study employs the Levenberg-Marquardt back propagation (LMBP) artificial neural networks (ANNs) approach to study the computational technique used by neural networks for simulating MHD Tangent hyperbolic nanofluid (Thnf) flow containing gyrotactic microbes passes across a vertically prolonging Riga sheet. Thnf is widely used for cooling...

This study focuses on the comprehensive exploration of Swat soapstone, employing a range of analytical techniques, including X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray (EDX) spectroscopy, Fourier-transform infrared (FTIR) spectroscopy, and X-ray fluorescence (XRF) spectroscopy. XRD was used to identify the...

The prevalence of resistance to harmful human pathogens is steadily rising, emphasizing the urgent need to identify novel antimicrobial compounds. For this purpose, plants stand out as a significant source of bioactives worthy of exploration. Among these, alkaloids, a vast and structurally diverse category of plant secondary metabolites, have emerg...

The primary aim of the article is to analyze the response of the human immune system when it encounters the hepatitis B virus. This is done using a mathematical system of differential equations. The differential equation system has six components, likely representing various aspects of the immune response or virus dynamics. A Bayesian regularizatio...

The current study introduces the generalised New Extended Direct Algebraic Method (gNEDAM) for producing and examining propagation of kink soliton solutions within the framework of the Conformable Kolmogorov–Petrovskii–Piskunov Equation (CKPPE), which entails conformable fractional derivatives into account. The primary justification around employin...

Ternary hybrid nanofluids (Thnf) are used in several fields, including enhancements of heat transfer, solar power systems, medical devices, electronics cooling, aviation industry, and automotive sector. Furthermore, Thnf provide a versatile solution to boost energy transport for the industrial applications. In the current analysis, an incompressibl...

Hybrid nanofluids have drawn more attention recently due to their potential to improve heat transfer in solar water heaters. However, it is still difficult to accurately predict how these nanofluids will behave when they flow over inclined rotating disks. The present work thoroughly analyses thin-film's 3D steady hybrid nanoliquid flow across an in...

In this work, the dimensionless form of the improved perturbed nonlinear Schrödinger equation with Kerr law of fiber nonlinearity is solved for distinct exact soliton solutions. We examined the multi-wave solitons and rational solitons of the governing equation using the logarithmic transformation and symbolic computation using an ansatz functions...

This research article investigates the attenuation patterns of acoustic waves within waveguide structures featuring flexural boundaries. By employing advanced methods in vibrations and controls, the study aims to enhance our understanding of waveguide behavior and offer valuable insights for optimizing acoustic wave propagation in diverse applicati...

The increasing appeal of artificial neural networks (ANNs) stems from their remarkable efficiency in dealing with complex and highly nonlinear mathematical concepts. In intricate domains like biological computation, fluid dynamics, and the field of biotechnology, ANNs offer a versatile computational framework that proves immensely valuable. Therefo...

The escalating demand for fossil fuels in India has resulted in a significant strain on the environment due to the amplified emissions of greenhouse gases (GHGs). Nevertheless, India possesses a significant capacity for nuclear energy, as seen by its 22 operational nuclear reactors. This capacity holds promise for reducing GHG emissions. This resea...

With the advancement of technologies and growth of the economy, it is inevitable that more complex processes are deployed, producing more heterogeneous wastewater that comes from biomedical, biochemical and various biotechnological industries. While the conventional way of wastewater treatment could effectively reduce the chemical oxygen demand, pH...

The current work is about the modification of primary amine functionalized drugs, pyrimethamine and 4-amino-N-(2,3-dihydrothiazol-2-yl)benzenesulfonamide, via condensation reaction with 2-hydroxy-1-naphthaldehyde to produce new organic zwitterionic compounds (E)-1-(((4-(N-(2,3-dihydrothiazol-2-yl)sulfamoyl)phenyl)iminio)methyl)naphthalen-2-olate (D...

The majority of the Next Eleven nations are yet to undergo the renewable energy transition in full swing. Rather, over time, these nations have become even more reliant on fossil fuels. As a result, establishing environmental sustainability is a matter of deep concern for these emerging nations. Against this backdrop, this study assesses the macroe...

A novel application of the Pistacia integerrima gall extract as an environmentally friendly corrosion inhibitor is reported in this study. The major phytochemicals present in the gall extract, namely pistagremic acid, β-sitosterol, pistiphloroglucinyl ether, pistaciaphenyl ester, naringenin, and 5,7-dihydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-...

The issue of environmental pollutants has gained significant global attention due to its detrimental impacts, leading to the need to address various SDGs outlined by the United Nations. The successful implementation of energy sources is intricately connected to these goals, making it imperative to coordinate efforts in the development of new techno...

The control of infections is one of the key strategies to treat cuts, wounds, lung, and skin infections. In this study the folkloric use of Rumex dentatus (R. dentatus) roots in the mentioned conditions was scientifically investigated. The methanolic (MeOH) crude extract of R. dentatus root was fractionated (n-hexane, ethyl acetate and water) via b...

Heat and mass transfer rate by using nanofluids is a fundamental aspect of numerous industrial processes. Its importance extends to energy efficiency, product quality, safety, and environmental responsibility, making it a key consideration for industries seeking to improve their operations, reduce costs, and meet regulatory requirements. So, the pr...

The BRICS countries ratified the 2030 Sustainable Development Goals agenda whereby ensuring environmental sustainability is of paramount importance for these emerging market economies. Although the BRICS nations have recorded noteworthy economic growth trajectories over the last couple of decades, these nations have not fared well in terms of impro...

Immune cell infiltration is associated with improved prognosis in the microenvironment of breast cancer. The incidence of breast cancer in Pakistan is 2.5 times higher than that in neighboring countries of Asia, accounting for 34.6% of female cancers. The objectives of this study were to compare and determine apoptotic mediators and biomarkers for...

The current study provides the numerical performances of the fractional kind of breast cancer (FKBC) model, which are based on five different classes including cancer stem cells, healthy cells, tumor cells, excess estrogen, and immune cells. The motive to introduce the fractional order derivatives is to present more precise solutions as compared to...

Much like the Global South, countries located in the Sub-Saharan African region have plentiful deposits of critical minerals. However, mineral dependency in these countries is assumed to be inflicting detrimental impacts on their environmental conditions. Hence, this study tests this assumption by utilizing data from 30 developing nations from this...

Recognizing the environmental development-related commitments made by the Next Eleven countries at 26th Conference of Parties (COP26), this study scrutinizes the repercussions accompanying good democratic governance, renewable energy transition, economic growth, and the ratification of the Kyoto Protocol on carbon emission figures of these emerging...

Establishing a sustainable environment and acquiring a carbon-neutral status require Sub-Saharan African nations to reduce their year-on-year growth rates of carbon emission levels. Thus, this study considers a sample of 38 countries from this region and selects the time period from 2000 to 2020 for analyzing the annual carbon emission growth rate...

The water-based Cu and CoFe2O4 hybrid nano liquid flow across a permeable curved sheet under the consequences of inertial and Lorentz forces has been reported in this analysis. The Joule heating and Darcy Forchheimer effects on fluid flow have been also examined. In the presence of copper (Cu) and cobalt iron oxide (CoFe2O4) nanoparticles, the hybr...

World's highest arsenic (As) contamination is well-documented for the groundwater system of southwestern region (mainly Jashore district) of Bangladesh, where the majority of inhabitants are underprivileged. To mitigate As poisoning in southwestern Bangladesh, numerous steps have been taken so far by the government and non-governmental organization...

This study aims at assessing the impacts of green growth, in the form of adopting sustainable energy technologies and financing green projects, on environmental conditions in India. Thus, this study is important from the point of view of India's efforts in formulating strategies linked with achieving the environmental development targets enlisted u...

Due to enhanced heat transfer rate, the nanofluid and hybrid nanofluids have significant industrial uses. The principal objective of this exploration is to investigate how thermal radiation influences the velocity and temperature profile. A water-based rotational nanofluid flow with constant angular speed Ω is considered for this comparative study....

The present model intends to study the electroosmotically augmented peristaltic flow of blood-based nanofluid through an asymmetrical channel. The Buongiorno's model is used to study the effects of Brownian motion and thermophoresis on various features of peristaltic motion. The mathematical equations governing the problem incorporate consideration...

Sustainable energy transition has brought the attention towards microalgae utilization as potential feedstock due to its tremendous capabilities over its predecessors for generating more energy with reduced carbon footprint. However, the commercialization of microalgae feedstock remains debatable due to the various factors and considerations taken...

Abstract The quality of olive fruit (OF) is widely affected due to geographical variation, affecting OF's chemical composition and biological properties. It is a novel and first-time study to evaluate the quality variation of 42 olive samples from different geographical origins based on phytochemical profile and their biological activities. The stu...

In this article, a new nonlinear four-dimensional hyperchaotic model is presented. The dynamical aspects of the complex system are analyzed covering equilibrium points, linear stability, dissipation, bifurcations, Lyapunov exponent, phase portraits, Poincaré mapping, attractor projection, sensitivity and time series analysis. To analyze hidden attr...

This work addresses a novel technique for selecting the best coal for a thermal power station using a thermodynamically assisted Machine Learning model. This work includes 32 coal samples in which the thermodynamically most suitable coal has been identified. Initially, the thermodynamic parameter ‘Quality’ has been derived from the primary constitu...

It has been confirmed that structures with micro dimensions display size-dependent thermomechanical behaviors. Moreover, according to the findings of empirical and theoretical researches, thermoelastic damping (TED) has been recognized as one of inescapable causes of energy dissipation in microstructures. The current article is an effort to provide...

The optical and nonlinear optical (NLO) properties of pure boron nitride (BN) and neodymium (Nd) metal-doped BN compounds were investigated in this research work utilizing the rB3LYP/6-31G(d,p) DFT approach. The effects of BN and doped BN complexes on geometries, maximum absorption λ max , vertical ionization energies E VI , binding energies E b ,...

This article examines the dispersion characteristics and energy distribution in different regions of the bifurcated waveguide with vertical step discontinuities. In this research study, we have considered mathematical model of noise reduction devices, specifically analyzing the acoustic wave propagation problem in a bifurcated waveguide with elasti...

In this manuscript, we study novel exact solutions of the extended shallow water wave equation of (2+1)-dimensions. To achieve the exact solutions the Hirota bi-linear approach is utilized. The first, second, third, and fourth-order solitons are presented. Further, the fission or fusion of the first to fourth-order solitons are also presented which...

Perfluoroalkyl carboxylic acids (PFCAs) are sub-class of perfluoroalkyl substances commonly detected in water matrices. They are persistent in the environment, hence highly toxic to living organisms. Their occurrence at trace amount, complex nature and prone to matrix interference make their extraction and detection a challenge. This study consolid...

In various machinery engines, the engine oil is utilized as a lubricant. Heat transportation rate and to saving the energy dissipated due to higher temperature are the basic goals of all thermal systems. Thus, current work is mainly focused to develop a model for the Marangoni flow of nanofluids (NFs) with viscous dissipation. The considered NFs ar...