Qatar University Institutional Repository: Recent submissions
Now showing items 1281-1300 of 30919
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Grid-integrated solutions for sustainable EV charging: a comparative study of renewable energy and battery storage systems
( Frontiers Media SA , 2024 , Article)Introduction: The integration of electric vehicles (EVs) into the power network challenges the 1) grid capacity, 2) stability, and 3) management. This is due to the 1) increased peak demand, 2) infrastructure strain, and ... -
Whiteness, redness, blueness and greenness profile assessment and design of experiments approach to microwave-aided sensitive and green spectrofluorophotometric determination of baclofen
( John Wiley & Sons Ltd. , 2024 , Article)As a gamma amino butyric acid-ergic agonist, Baclofen is often prescribed to adults and children for the treatment of severe spasticity that originates in the brain or spinal cord. Even after reviewing the literature ... -
Adaptive Laplacian Continuous Mixed-Norm Control Approach for Dynamic Performance Improvement of Wind Energy Systems
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Article)This paper introduces an adaptive filtering algorithm based on the Laplacian continuous mixed-norm (LCMN) as a control methodology to improve both transient and dynamic wind energy systems (WESs) performances. The foundation ... -
Bronchodilator Monoterpenes from the Fruits of Trachyspermum ammi L.
( ACG Publications , 2024 , Article)Trachyspermum ammi is widely used among the people in the Arabian Peninsula to treat general respiratory problems including bronchoconstriction. In this study, the fruit extracts and its fractions and purely isolated ... -
Energy storage as a service to achieve a required reliability level for renewable-rich standalone microgrids
( Elsevier Ltd , 2024 , Article)Energy storage systems (ESSs) can help to reduce the intermittency and uncertainty of renewable energy supplies in power systems. ESSs are critical components of renewable-rich standalone microgrids (SMGs) to balance power ... -
A Fuel Cell Aging Prediction Method Based on Symplectic Geometry Mode Decomposition and Divide-and-Conquer Gated Recurrent Unit
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Article)The superposition of aging characteristics in fuel cells is a major cause of inaccurate predictions. Unlike traditional methods that mix linear and nonlinear aging characteristics, this paper develops a prediction method ... -
A Framework-Based Multi-Agent Coordination for Enhanced Microgrid Energy Management at the Secondary Control Layer
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Article)The effective operation of a microgrid (MG) depends on seamless coordination among agents in energy management systems. A pivotal element in this coordination is the multi-agent coordinator, strategically positioned as an ... -
Surface-engineered Niosomes of Esculin Hydrate for the management of depression via intranasal route: Optimization, In vitro, Ex vivo and pharmacokinetic assessment
( Elsevier B.V. , 2024 , Article)Present research explored the potential of surface-engineered niosomes of Esculin hydrate (ESCH), coated with chitosan, as a novel approach for managing depression through intranasal administration. Formulation optimization ... -
Microwave-derivatized enhanced-spectrofluorophotometric characterization of nateglinide-loaded solid dispersion adsorbate and greenness profile assessment of method
( Springer Nature , 2024 , Article)Nateglinide is an oral meglitinide that treats diabetes. Nateglinide was determined in several commercial formulations using chromatographic and spectrophotometric methods in published research. Quality-by-design approach ... -
A Convenient One-Pot Synthesis of Novel Benzimidazole–Thiazinone Derivatives and Their Antimicrobial Activity
( Multidisciplinary Digital Publishing Institute (MDPI) , 2024 , Article)Background: The increasing prevalence of antimicrobial resistant highlights the urgent need for the new therapeutic agents. This study aimed to design and synthesize fused tricyclic benzimidazole–thiazinone derivatives ... -
Microwave-aided sensitive and eco-friendly HPTLC method for estimation of mirabegron using NBD-Cl as bio-sensing fluorescent probe by Integration of principal component Analysis, response surface modelling and white analytical chemistry approach
( Elsevier B.V. , 2024 , Article)A large number of analytical methods have been used in in-vivo pharmacokinetic investigations and assays of mirabegron, which is used to treat overactive bladder. Because mirabegron does not give fluorescence, there is no ... -
An Eco-Friendly and Sensitive Microwave-Aided Spectrofluorophotometric Characterization of Mirabegron-Loaded Nanocarriers by Amalgamation of Design of Experiments and White Analytical Chemistry
( John Wiley and Sons , 2024 , Article)Mirabegron, a drug for treatment of overactive bladder, has low water solubility and bioavailability. Researchers used quality by design to develop and characterize second-generation lipid nanocarriers for mirabegron, ... -
Breakthrough Assessment and Kinetic Study of The Upfront Nitrogen Removal Using Lithium Cycle
(2024 , Master Thesis)As Qatar continues to rely on the exportation of liquefied natural gas (LNG) as its primary source of economic growth, new technologies must be investigated to improve the economic appeal and production capacity of traditional ... -
A novel on intelligent energy control strategy for micro grids with renewables and EVs
( Elsevier Ltd , 2024 , Article)Energy management in Micro Grids (MG) has become increasingly difficult as stochastic Renewable Energy Sources (RES) and Electric Vehicles (EV) have become more prevalent. Even more challenging is autonomous MG operation ... -
Global, regional, and national burden of upper respiratory infections and otitis media, 1990–2021: a systematic analysis from the Global Burden of Disease Study 2021
( Elsevier Ltd. , 2024 , Article)Background: Upper respiratory infections (URIs) are the leading cause of acute disease incidence worldwide and contribute to a substantial health-care burden. Although acute otitis media is a common complication of URIs, ... -
Lipid-based nanoparticles: innovations in ocular drug delivery
( Frontiers Media , 2024 , Article Review)Ocular drug delivery presents significant challenges due to intricate anatomy and the various barriers (corneal, tear, conjunctival, blood-aqueous, blood-retinal, and degradative enzymes) within the eye. Lipid-based ... -
Integrated Reporting: The Case of Intangible Capital Information
( University of Wollongong , 2024 , Article)This paper examines the reporting on intangible capital (IC) in annual reports, focusing on its extent and the trends within integrated corporate reporting. Using a comprehensive reporting index, we found that Qatari listed ... -
Maximum power extraction from solar PV systems using intelligent based soft computing strategies: A critical review and comprehensive performance analysis
( Elsevier Ltd , 2024 , Other)This paper shows a comprehensive review on various maximum power point tracking (MPPT) techniques of the solar photovoltaic (PV) cell. It is well understood that power from a solar PV array is sometimes not sufficient, so ... -
Hydromagnetic flow of Casson nano-fluid across a stretched sheet in the presence of thermoelectric and radiation
( Elsevier B.V. , 2024 , Article)This work revealed the investigation of the Casson nanofluid flow's MHD (magneto-hydrodynamic) unstable boundary layer characteristics in the simultaneous transmission of thermoelectric and radiation on a stretched sheet. ... -
Constraints on Female Labor Force Participation in Qatar: Understanding the Effects of Marriage, Family, and Traditional Values
( Brill , 2024 , Article)This paper examines constraints to female labor force participation in Qatar, a country where state revenue from natural resource rents means any citizen can secure a public sector job should they seek employment. Using ...