Browsing Research Units by Title
Now showing items 1114-1133 of 4559
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Dual targeting of carbonic anhydrase and vascular endothelial growth factor as an innovative approach in developing potential cancer-fighting candidates for the management of hypoxic malignancies
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Cancer poses a global challenge, and the Middle East is not immune to its impact. According to a 2020 published study, nearly half a million new cancer cases were detected in Arab countries, which equates to approximately ... -
Durability and Microstructure of Cement Composites Containing Qatar's Municipal Wastes
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Qatar produces more than 2.5 million tons of municipal waste per year with an average waste generation rate of 1.8 kg/day/capita which is one of the highest rates in the world. The rapid growth of municipal solid waste has ... -
Durability characteristics of high and ultra-high performance concretes
( Elsevier , 2021 , Article)Durability characteristics of high-performance concrete (HPC) and ultra-high performance concrete (UHPC) are evaluated in comparison to normal strength concrete (NSC). HPC and UHPC are cast using commonly available materials ... -
Duration of immune protection of SARS-CoV-2 natural infection against reinfection.
( Oxford University Press , 2022 , Article)The future of the SARS-CoV-2 pandemic hinges on virus evolution and duration of immune protection of natural infection against reinfection. We investigated duration of protection afforded by natural infection, the effect ... -
Duration of mRNA vaccine protection against SARS-CoV-2 Omicron BA.1 and BA.2 subvariants in Qatar.
( Nature Research , 2022 , Article)SARS-CoV-2 Omicron BA.1 and BA.2 subvariants are genetically divergent. We conducted a matched, test-negative, case-control study to estimate duration of protection of the second and third/booster doses of mRNA COVID-19 ... -
Dynamic ensemble deep echo state network for significant wave height forecasting
( Elsevier Ltd , 2023 , Article)Forecasts of the wave heights can assist in the data-driven control of wave energy systems. However, the dynamic properties and extreme fluctuations of the historical observations pose challenges to the construction of ... -
Dynamic mechanical analysis and broadband electromagnetic interference shielding characteristics of poly (vinyl alcohol)-poly (4-styrenesulfonic acid)-titanium dioxide nanoparticles based tertiary nanocomposites
( Taylor and Francis Inc. , 2020 , Article)Novel tertiary nanocomposite films comprising of poly (vinyl alcohol) (PVA), poly (4-styrenesulfonic acid) (PSSA) and titanium dioxide (TiO2) nanoparticles (NPS) were prepared using simple solvent casting method. The ... -
Dynamic mechanical properties of PLA/PHBV, PLA/PCL, PHBV/PCL blends and their nanocomposites with TiO2 as nanofiller
( Elsevier , 2015 , Article)The effect of blending and the addition of small amounts of TiO2 nanoparticles on the dynamic mechanical properties of PLA/PHBV, PLA/PCL and PHBV/PCL blends is reported in this paper. The storage modulus of the PLA/PHBV ... -
Dynamic Parametric and Nonparametric Hedging: Evidence from the Arab Gulf Equity Markets
( EuroJournals , 2017 , Article)This paper examines the optimal hedging strategies in the Arab Gulf equity markets using a parametric and a nonparametric dynamic approaches in modeling the conditional variances and covariances of equity returns. The ... -
Dynamic security metrics for measuring the effectiveness of moving target defense techniques
( Elsevier Ltd , 2018 , Article)Moving Target Defense (MTD) utilizes granularity, flexibility and elasticity properties of emerging networking technologies in order to continuously change the attack surface. There are many different MTD techniques proposed ... -
Dynamic travel information strategies in advance traveler information systems and their effect on route choices along highways
( Elsevier , 2020 , Article)Advance Traveler Information Systems (ATIS) inform drivers about traffic incidences and expected travel times/ delays en-route. An online computer study was conducted in Qatar to investigate drivers' willingness ... -
The Dynamics of Phytoremediation of Heavy Metals: Recent Progress and Future Perspective
( Wiley , 2023 , Book chapter)The gradually accelerating and intensive pollution of biosphere with toxic elements has threatened the living beings. This phenomenon seems to be inexorable and unacceptable for the sustainable development, moreover the ... -
Dysbiosis of the Salivary Microbiome is Associated with Hypertension and Correlated with Metabolic Syndrome Biomarkers
( Dovepress , 2021 , Article)Background: Hypertension (HT) is an idiopathic disease with severe complications and a high incidence of global mortality. Although the disease shares characteristic features with diabetes and obesity, the complex interplay ... -
E-cadherin/catenin complex modulations in human oral cancer
( Springer Netherlands , 2015 , Book chapter)Oral cancer is a common neoplasm in both male and female worldwide; the incidence and mortality of this cancer have increased over the past decades. Cancer metastasis is a major cause of morbidity and mortality in oral ... -
E-Cigarette Liquid Provokes Significant Embryotoxicity and Inhibits Angiogenesis.
( MDPI , 2020 , Article)E-cigarette smoking (ECS) is a new method of tobacco smoking that is gaining popularity as it is thought to be a "healthy method" of tobacco consumption. The adverse outcomes of ECS on the respiratory and cardiovascular ... -
E-Rain Smart Storm Water Inlets Gate The GREEN MANAGEMENT for Smart Cities Roads Drain Rain Syste
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)The emergence of Industry 4.0 forces us to become people who continue to advance and are technology literate, and Multidisciplinary engineering fields such as mechatronics combine engineering specialities such as robotics, ... -
E5 and E6/E7 of high-risk HPVs cooperate to enhance cancer progression through EMT initiation
( Taylor & Francis , 2015 , Article)It is estimated that 10–20% of human carcinogenesis is linked to virus infection including papillomaviruses (HPVs). Moreover, since metastatic cancer disease is a major cause of morbidity and mortality in cancer patients, ... -
Early Diagnosis of Iron Deficiency in School Children: A Qatari Experience
( OMICS Publishing Group , 2015 , Article)Objective: Iron deficiency still remains the most common nutritional deficiency throughout the world and is the leading cause of anaemia in children. Early recognition of iron deficiency, even before the development of ... -
Early gas kick detection in vertical wells via transient multiphase flow modelling: A review
( Elsevier B.V. , 2020 , Article Review)Gas influx from reservoir into the wellbore during drilling, tripping, or other operations, is a hazard. In the early stages, the influx may be nearly undetectable, but the kick can rapidly change from a seemingly steady ... -
Early-Life Sugar Consumption Affects the Microbiome in Juvenile Mice
( John Wiley and Sons Inc , 2022 , Article)Scope: The composition of the gut microbiota is influenced by the dietary nutrient. Sugar has been linked with many metabolic health disorders such as heart disease, metabolic syndrome, and immune disorders. Long-term ...