Browsing Research Units by Title
Now showing items 2032-2051 of 4689
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Highly selective gas sensors from photo-activated ZnO/PANI thin films synthesized by mSILAR
( Elsevier Ltd , 2017 , Article)Zinc oxide (ZnO) nano-polycrystalline thin films has been prepared by cost-effective microwave assisted successive ionic layer adsorption and reaction (mSILAR) technique. ZnO/PANI prepared by in situ polymerization technique ... -
Highly sensitive and selective colorimetric sensing of CO2 for biomedical applications
( Springer Science and Business Media Deutschland GmbH , 2022 , Article)The concentration of carbon dioxide (CO2) in unhealthy people differs greatly from healthy people. High-precision CO2 detection with a quick response time is essential for many biomedical applications. A major focus of ... -
Highly sensitive humidity sensor based on cadmium selenide quantum dots-polymer composites: synthesis, characterization, and effect of UV/ozone treatment
( Springer , 2023 , Article)This work describes the rational design of thin film-based cadmium selenide quantum dots (CdSe) mixed with conductive polyvinylidene fluoride (PVDF), inducing PVDF-CdSe composite for potential resistive humidity-sensing ... -
A highly sensitive wearable pressure sensor capsule based on PVA/Mxene composite gel
( Springer , 2022 , Article)Wearable sensors have drawn considerable interest in the recent research world. However, simultaneously realizing high sensitivity and wide detection limits under changing surrounding environment conditions remains ... -
Highly stable Ti3C2Tx (MXene)/Pt nanoparticles-modified glassy carbon electrode for H2O2 and small molecules sensing applications
( Elsevier B.V. , 2018 , Article)© 2018 Elsevier B.V. Electrochemical performance of a 2D Ti3C2Tx (MXene, where T: [dbnd]O, –OH, –F) sheets modified with Pt nanoparticles (PtNPs) was investigated. The results showed that Ti3C2Tx/PtNP nanocomposite deposited ... -
History of a disaster: A baseline assessment of the Wakashio oil spill on the coast of Mauritius, Indian Ocean
( Elsevier , 2022 , Article)Oil spills from tanker ships provide adverse and irreversible impacts of a pollutant over coastal and marine environments. Using Sentinel-1 and 2 satellite images, this baseline paper presents the detection, assessment, ... -
History of primary-series and booster vaccination and protection against Omicron reinfection
( American Association for the Advancement of Science , 2023 , Article)Laboratory evidence suggests a possibility of immune imprinting for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. We investigated the differences in the incidence of SARS-CoV-2 reinfection in a ... -
Hitchhiking of encrusting organisms on floating marine debris along the west coast of Qatar, Arabian/Persian Gulf
( Elsevier , 2021 , Article)The floating marine debris (FMD) and the associated rafting communities are one of the major stressors to ecosystem services, global biodiversity and economy and human health. In this study, assemblages of encrusting ... -
Hole cleaning and drilling fluid sweeps in horizontal and deviated wells: Comprehensive review
( Elsevier B.V. , 2020 , Article Review)Horizontal wells provide high drainage area within the reservoirs. Advancements in horizontal drilling technologies are utilized to develop unconventional resources such as shale gas and coal bed methane. However, wellbore ... -
Host Genetic Variants Potentially Associated With SARS-CoV-2: A Multi-Population Analysis.
( Frontiers Media , 2020 , Article)Clinical outcomes of coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) showed enormous inter-individual and inter-population differences, possibly due to host ... -
Host specificity of pseudomonas aeruginosa isolates from patients with cystic fibrosis and patients from different clinical backgrounds.
( European Respiratory Society: ERJ , 2014 , Article)Background: Pseudomonas aeruginosa is one of the primary pathogens being isolated more frequently in cystic fibrosis (CF) and exhibits innate resistant to a wide range of antibiotics. Purpose: To determine whether the ... -
Hot electron and hole dynamics in thiol-capped CdSe quantum dots revealed by 2D electronic spectroscopy
( Royal Society of Chemistry , 2016 , Article)Colloidal quantum dots (QDs) have attracted interest as materials for opto-electronic applications, wherein their efficient energy use requires the understanding of carrier relaxation. In QDs capped by bifunctional thiols, ... -
A household-level decomposition of the white–black homeownership gap
( Elsevier B.V. , 2011 , Article)This paper uses a semiparametric homeownership model to estimate and to decompose the household-level white–black homeownership gap into an endowment component and a residual component across the distribution of homeownership ... -
Housing Tenure and Economic Inequality among Qatari Citizens
( The Social and Economic Survey Research Institute, Qatar University , 2016 , Report)The most immediately effective measure to address housing inequality, which would generate additional benefits in many other areas, is the streamlining of administrative processes related to land allotment and infrastructure ... -
How Can Collaborative Circular Economy Practices in Modular Construction Help Fédération Internationale de Football Association World Cup Qatar 2022 to Achieve Its Quest for Sustainable Development and Ecological Systems?
( Frontiers , 2021 , Article)Embarking on the World Cup journey with circular collaborative strategies can positively impact the environment and socioeconomic outcomes to prosper development at the center of sustainability. World Cup mega-events are ... -
How circular economy can reduce scope 3 carbon footprints: Lessons learned from FIFA world cup Qatar 2022
( Elsevier , 2023 , Article)Mega sporting events (MSEs) such as the FIFA World Cup and the Olympics always attract people around the world to visit the hosting country, boosting its tourism and business, and leaving a positive legacy. However, such ... -
How Do SMEs Decide on International Market Entry? An Empirical Examination in the Middle East
( Elsevier Inc. , 2022 , Article)This study contributes to the scant literature that scrutinises the decision-making process preceding foreign entries, particularly in the Middle Eastern context. While considerable research has examined the content and ... -
How does hemodynamics affect rupture tissue mechanics in abdominal aortic aneurysm: Focus on wall shear stress derived parameters, time-averaged wall shear stress, oscillatory shear index, endothelial cell activation potential, and relative residence time
( Elsevier , 2023 , Article)An abdominal aortic aneurysm (AAA) is a critical health condition with a risk of rupture, where the diameter of the aorta enlarges more than 50% of its normal diameter. The incidence rate of AAA has increased worldwide. ... -
How Efficient Would Demand-Based Water Strategies Be for Qatar?
( Qatar University Press , 2023 , Conference Paper)Qatar is a water scarce country that heavily relies on seawater desalination. Multiple studies have concluded the need for a more resilient water planning through efficient "demand control" strategies. This study is among ... -
How Parents in the Gulf States Can Guide Their Children Toward Healthy Environments in the Social Media World
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2023 , Conference Paper)Children and adolescents spend considerable time surfing and using social media sites. They use the internet for many purposes including to interact with family and friends, access games, watch videos and to blog. Social ...