Browsing Research Units by Title
Now showing items 621-640 of 4553
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Chitosan/Polyacrylamide Green Gels for Water Control in High-Temperature Reservoirs
( American Chemical Society , 2022 , Article)The rheology of a gel system composed of polyacrylamide (PAM) and chitosan is studied under typical reservoir conditions. The impacts of the degree of chitosan deacetylation, temperature, and salinity on the gelation ... -
Chlorophyll-a concentrations in the Arabian Gulf waters of arid region: A case study from the northern coast of Qatar
( Elsevier , 2022 , Article)Remote sensing of spectrally active Chlorophyll-a (Chl-a) in the gulf water of an arid region is important to understand the spatial and temporal variations of phytoplankton and biomass in the water. This study characterizes ... -
Choice and expenditure: A double hurdle model of private tutoring in Qatar
( Elsevier , 2021 , Article)Deciding whether to use private tutoring services is now a common choice many households are facing globally. This paper presents new evidence for Qatar's case to shed light on the demand for private tutoring. The household ... -
Choline chloride based natural deep eutectic solvent for destabilization and separation of stable colloidal dispersions
( Elsevier B.V. , 2021 , Article)In solid-liquid separation processes, coagulation/flocculation is one of the most popular techniques in treating wastewater, as it is efficient, simple, and economical. Consequently, the formation of a new environment ... -
Cholinergic and dopaminergic neuronal differentiation of human adipose tissue derived mesenchymal stem cells.
( Wiley , 2018 , Article)Mesenchymal stem cells (MSCs) are multipotent cells that can differentiate into various cell types such as cartilage, bone, and fat cells. Recent studies have shown that induction of MSCs in vitro by growth factors including ... -
Chromium removal from tannery wastewater by electrocoagulation: Optimization and sludge characterization
( MDPI AG , 2020 , Article)The treatment of tannery effluent is of great interest as it contains a complexmixture ofpollutants, primarily chromium. The disposal of this wastewater can have adverse effects on the environment and aquatic life, which ... -
Chromium toxicity in plants: consequences on growth, chromosomal behavior and mineral nutrient status
( the Scientific and Technological Research Council of Turkey (TUBITAK) , 2022 , Article)Chromium (Cr) is a heavy metal of commercial importance; thus, significant amounts are released in wastewaters. The mobility and distribution of metals in the environment is related not only to their concentration but also ... -
Chromosome aberrations and fertility disorders in domestic animals
( Annual Reviews Inc. , 2016 , Article Review)The association between chromosomal abnormalities and reduced fertility in domestic animals is well recorded and has been studied for decades. Chromosome aberrations directly affect meiosis, gametogenesis, and the viability ... -
Chronic Cadmium Exposure Alters Cardiac Matrix Metalloproteinases in the Heart of Sprague-Dawley Rat
( Frontiers Media , 2021 , Article)The aim of this study was to evaluate the role of chronic cadmium exposure in modulating cardiac matrix metalloproteinases (MMPs) in the heart of rats. Adult male Sprague-Dawley rats were exposed to 15 ppm CdCl2 in drinking ... -
Chronic illnesses and labor market participation in the Arab countries: evidence from Egypt and Tunisia
( Taylor and Francis Group , 2022 , Article)This paper examines the impact of chronic illnesses on labor force participation using labor market surveys data for Egypt and Tunisia. The study also investigates the reverse effect of labor force participation on the ... -
Cilia proteins are biomarkers of altered flow in the vasculature
( American Society for Clinical Investigation , 2022 , Article)Cilia, microtubule-based organelles that project from the apical luminal surface of endothelial cells (ECs), are widely regarded as low-flow sensors. Previous reports suggest that upon high shear stress, cilia on the EC ... -
Circular economy and the resource nexus: Realignment and progress towards sustainable development in Saudi Arabia
( Elsevier , 2023 , Article)Resources such as water, energy, and arable land represent bottlenecks with regard to achieving key sustainability paradigms such as the circular economy (CE). They exhibit vital inputs and outputs for economic development, ... -
Circular Economy in Basic Supply: Framing the Approach for the Water and Food Sectors of the Gulf Cooperation Council Countries
( Elsevier , 2021 , Article)The circular economy concept can enhance sustainability through restructuring consumption and production patterns using innovative designs and business models. This core premise is highly relevant for the interlinked water ... -
Cisplatin-Loaded Graphene Oxide/Chitosan/Hydroxyapatite Composite as a Promising Tool for Osteosarcoma-Affected Bone Regeneration
( American Chemical Society , 2018 , Article)Presently, tissue engineering approaches have been focused toward finding new potential scaffolds with osteoconductivity on bone-disease-affected cells. This work focused on the cisplatin (CDDP)-loaded graphene oxide ... -
Citizen and Resident Satisfaction with Public Services in Qatar : And the impact on quality of life
( Qatar University , 2016 , Report)In Qatar notable differences in public service satisfaction exist across individual state services, across nationality groupings, and across demographic categories. Among all citizens and residents, however, there is an ... -
Citizens and expatriates satisfaction with public services in Qatar - evidence from a survey
( Emerald Group Publishing Ltd. , 2019 , Article)Purpose The purpose of this paper is to analyze citizens’ and expatriates’ satisfaction with public service delivery in Qatar, one of the world’s highest per capita incomes countries. Design/methodology/approach The ... -
Citizenship and Surveys: Group Conflict and Nationality-of-Interviewer Effects in Arab Public Opinion Data
( Springer , 2019 , Article)More research than ever before uses public opinion data to investigate society and politics in the Middle East and North Africa (MENA). Ethnic identities are widely theorized to mediate many of the political attitudes and ... -
Citizens’ attitudes towards migrant workers in Qatar
( Taylor & Francis (Routledge) , 2015 , Article)Public attitudes play a critical role in shaping policies towards immigration and the status of migrant workers. Facing growing pressure from international human rights organizations, media and other groups, the Gulf ... -
Civic life and democratic citizenship in Qatar: Findings from the First Qatar World Values Survey
( Brill Academic , 2013 , Article)The present study examines the Arab nation that has remained least affected by the regional upheaval that has gripped much of the Middle East and North Africa since the beginning of 2011: the Gulf state of Qatar. Using ... -
Civil society and democratization in the Arab Gulf
( http://foreignpolicy.com/ , 2011 , Article)qatar has been a notable exception to the wave of popular political mobilization that has struck Arab countries since January 2011. This is particularly so given the prominent role of its state-owned television station Al ...