Browsing Research Units by Title
Now showing items 2772-2791 of 4762
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mRNA-1273 COVID-19 vaccine effectiveness against the B.1.1.7 and B.1.351 variants and severe COVID-19 disease in Qatar
(2021 , Article)The SARS-CoV-2 pandemic continues to be a global health concern. The mRNA-1273 (Moderna) vaccine was reported to have an efficacy of 94.1% at preventing symptomatic COVID-19 due to infection with ‘wild-type’ variants in a ... -
Multi-component MWCNT/NG/EP-based bipolar plates with enhanced mechanical and electrical characteristics fabricated by compression moulding
( Elsevier Ltd , 2018 , Article)In this work, multi-walled carbon nanotubes (MWCNTs), natural graphite (NG) and epoxy (EP) were used to fabricate bipolar plates by the compression moulding technique. The mechanical and thermal behaviours of the as-developed ... -
A multi-country survey for collecting and analyzing facts related to road traffic safety: Legislation, enforcement, and education for safer drivers
( Elsevier , 2022 , Article)Road traffic safety is a crucial global objective. It is important for every country to review and improve road safety policies and strategies, based on an objective understanding of its own road traffic safety situation ... -
Multi-criteria classification, sorting, and clustering: a bibliometric review and research agenda
( Springer Nature Switzerland AG. , 2022 , Article)Multi-criteria decision analysis (MCDA) has been increasingly adopted to solve decision-making problems involving multiple options and multiple criteria. These methods have been proven to improve the analytic rigor, ... -
Multi-functional wet-electrospun piezoelectric nanofibers sensing mat: Manufacturing, characterization, and applications
( Elsevier Ltd , 2023 , Article)This paper introduces the fabrication of multi-featured nanofibers membranes using wet-electrospinning process. Polyvinylidene fluoride (PVDF) nanofibers were wet-electrospun onto poly (3, 4-ethylenedioxythiophene) poly ... -
Multi-layer multi-configuration time-dependent Hartree (ML-MCTDH) approach to the correlated exciton-vibrational dynamics in the FMO complex
( American Institute of Physics Inc. , 2016 , Article)The coupled quantum dynamics of excitonic and vibrational degrees of freedom is investigated for high-dimensional models of the Fenna-Matthews-Olson complex. This includes a seven- and an eight-site model with 518 and 592 ... -
Multi-moth flame optimization for solving the link prediction problem in complex networks
( Springer Verlag , 2019 , Article)Providing a solution for the link prediction problem attracts several computer science fields and becomes a popular challenge in researches. This challenge is presented by introducing several approaches keen to provide the ... -
Multi-Objective Security Hardening Optimisation for Dynamic Networks
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Hardening the dynamic networks is a very challenging task due to their complexity and dynamicity. Moreover, there may be multi-objectives to satisfy, while containing the solutions within the constraints (e.g., fixed budget, ... -
Multicriteria Decision-Making Methodology for Credit Selection in Building Sustainability Rating Systems
( American Society of Civil Engineers (ASCE) , 2017 , Article)Uncertainty is an inherent characteristic of decision making related to sustainable construction projects. The main reason for this uncertainty is the incomplete information available to stakeholders on the relative impact ... -
Multifunctional Bioactive Scaffolds from ARX- g-(Zn@rGO)-HAp for Bone Tissue Engineering: In Vitro Antibacterial, Antitumor, and Biocompatibility Evaluations
( American Chemical Society , 2022 , Article)Advanced biomaterials are required with enhanced antibacterial and anticancer activities to obtain desirable biocompatibility during and after scaffold implantation in tissue engineering. Here, we report the development ... -
Multifunctional Oil Absorption with Macroporous Polystyrene Fibers Incorporating Silver-Doped ZnO
( American Chemical Society , 2021 , Article)Hydrophobic microporous polystyrene (PS) fibers are fabricated by a solvent-induced phase-separation-assisted electrospinning method. Zinc oxide (ZnO) and silver-doped zinc oxide (Ag-ZnO) nanomaterials with variable ... -
Multifunctional self-healing polymeric nanocomposite coatings for corrosion inhibition of steel
( Elsevier B.V. , 2019 , Article)The present work focuses on the self-healing and corrosion behavior of novel epoxy based coatings containing epoxy monomer (EM) and dodecylamine (DDA) as self-healing and corrosion inhibitor, respectively. The coating ... -
Multilayer-MCTDH approach to the energy transfer dynamics in the LH2 antenna complex
( Institute of Physics Publishing , 2017 , Article)The multilayer multiconfiguration time-dependent Hartree method is used to study the coupled exciton–vibrational dynamics in a high-dimensional nonameric model of the LH2 antenna complex of purple bacteria. The exciton–vibrational ... -
Multilevel Self-Healing Characteristics of Smart Polymeric Composite Coatings
( American Chemical Society , 2021 , Article)Smart polymeric composite coatings demonstrating multilevel self-healing characteristics were developed and characterized. The pH-responsive smart carriers were synthesized by loading halloysite nanotubes (HNTs) with the ... -
A multiscale ocean modelling system for the central Arabian/Persian Gulf: From regional to structure scale circulation patterns
( Elsevier , 2023 , Article)The Arabian/Persian Gulf (hereafter, the “Gulf”) is one the busiest and fastest changing sea in the World. Its circulation is primarily driven by the surface water inflow from the Sea of Oman and density-driven and wind-driven ... -
Mussel-mimicking sulfobetaine-based copolymer with metal tunable gelation, self-healing and antibacterial capability
( Elsevier B.V. , 2020 , Article)In the present study, the sulfobetaine-based copolymer bearing a dopamine functionality showed gel formation adjusted by the application of metal salts for gelation and various values of pH. Normally, the liquid-like ... -
Mutational analysis of SARS-CoV-2 ORF6-KPNA2 binding interface and identification of potent small molecule inhibitors to recuse the host immune system
( Frontiers Media SA , 2023 , Article)Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) surfaced on 31 December, 2019, and was identified as the causative agent of the global COVID-19 pandemic, leading to a pneumonia-like disease. One of its accessory ... -
MXene (Ti3 C2 Tx )/Cellulose Acetate Mixed-Matrix Membrane Enhances Fouling Resistance and Rejection in the Crossflow Filtration Process
( MDPI , 2022 , Article)Obstacles in the membrane-based separation field are mainly related to membrane fouling. This study involved the synthesis and utilization of covalently crosslinked MXene/cellulose acetate mixed matrix membranes with MXene ... -
MXenes and their composites for energy harvesting applications
( Elsevier , 2021 , Book chapter)Ever-growing energy consumption, increasing demand for smart electronics, and limited fossil fuels have led researchers to seek new energy harvesting technologies that might be ultimate solutions for low-voltage and low-power ... -
Mychonastes homosphaera (Chlorophyceae): A promising feedstock for high quality feed production in the arid environment
( Elsevier , 2020 , Article)Rapid development and drastic population increase in Qatar have led to increasing awareness about food security. Microalgae are considered one of the most promising feedstocks owing to their ability to produce nutrients, ...