Browsing College of Arts & Sciences by Title
Now showing items 2399-2418 of 3258
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The Role of the GCC Countries in Ending Piracy in the Horn of Africa
( Center for Research and Policy Studies , 2016 , Article)Piracy in the Horn of Africa has had a far-reaching security and economic impact both globally and regionally. The World Bank estimated that between 2008 and 2012, the global economy lost $18 billion annually due to Somali ... -
Roll-over cyclometalation: A versatile tool to enhance the catalytic activity of transition metal complexes
( Elsevier B.V. , 2018 , Article)Roll-over cyclometalation is a special case of cyclometalation. While in classical cyclometalation, C,H-activation (deprotonation or oxidative addition) has to occur at the ligand to result in a metallacycle, in roll-over ... -
Room-Temperature Lasing Action in GaN Quantum Wells in the Infrared 1.5 ?m Region
( American Chemical Society , 2018 , Article)Large-scale optoelectronics integration is strongly limited by the lack of efficient light sources, which could be integrated with the silicon complementary metal-oxide-semiconductor (CMOS) technology. Persistent efforts ... -
Rotavirus strain diversity in the Centre Coast of Tunisia from 2000 through 2003
( Oxford University Press , 2010 , Article)An epidemiological survey investigating rotavirus infection in children was undertaken in the coastal region of Tunisia from January 2000 through September 2003. A total of 309 fecal specimens were screened by enzyme-linked ... -
Rough oscillatory singular integrals on ℝⁿ
( Instytut Matematyczny , 2014 , Article)We establish sharp bounds for oscillatory singular integrals with an arbitrary real polynomial phase P. The kernels are allowed to be rough both on the unit sphere and in the radial direction. We show that the bounds grow ... -
Routledge handbook of the arab spring: Rethinking democratization
( Taylor and Francis , 2014 , Book)The self-immolation of Mohammed Bouazizi in Tunisia in December 2010 heralded the arrival of the ‘Arab Spring, ' a startling, yet not unprecedented, era of profound social and political upheaval. The meme of the Arab Spring ... -
Routledge Handbook on Arab Media
( Taylor and Francis , 2020 , Book)Routledge Handbook on Arab Media Edited by Noureddine Miladi and Noha Mellor This Handbook provides the first comprehensive reference book in English about the development of mass and social media in all Arab countries. ... -
Run Rules-Based EWMA Charts for Efficient Monitoring of Profile Parameters
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)In usual quality control methods, the quality of a process or product is evaluated by monitoring one or more quality characteristics using their corresponding distributions. However, when the quality characteristic is ... -
Rural development program in tribal region: A protocol for adaptation and addressing climate change vulnerability
( Elsevier Ltd , 2017 , Article)Tribal peoples globally are among the most vulnerable groups to climate change and variability. This is due to a combination of their relative poverty and their dependence on agriculture and natural support systems (NSS). ... -
Russian and European foreign policy towards the middle east: An energy security analysis
( Ashgate Publishing Ltd , 2014 , Book chapter) -
Saffron: Perspectives and Sustainability for Active and Intelligent Food Packaging Applications
( Springer , 2023 , Other)Active and intelligent packaging can effectively improve the shelf life and monitor food quality in real-time packaged products without affecting nutritional value. With the growing interest in human health and well-being, ... -
Salicylic acid restricts mercury translocation by activating strong antioxidant defense mechanisms in sweet pepper (Capsicum annum L.)
( Elsevier B.V. , 2023 , Article)Mercury (Hg) availability in soil and its absorption in plants is seriously concerned for plant production and human health. Salicylic acid (SA) is one of the major plant hormones involved in plant growth and development ... -
Salinity Effects on Symbiodinium sp. growth rate in Controlled conditions and produced Biomass Biochemical Characterization
( Qatar University Press , 2021 , Poster)Salinity is an abiotic influencer to the growth and the efficiency of the algal Symbiodinium that coexists in symbiosis with corals. In light of the high salinity conditions that prevail in the Arabian Gulf including the ... -
Salinomycin induces apoptosis and senescence in breast cancer: Upregulation of p21, downregulation of survivin and histone H3 and H4 hyperacetylation
( Elsevier , 2013 , Article)Background In the present study, we investigated the effect of Salinomycin on the survival of three human breast cancer cell lines MCF-7, T47D and MDA-MB-231 grown in adherent culture conditions. Methods Cell viability ... -
Salvia fruticosa Induces Vasorelaxation in Rat Isolated Thoracic Aorta: Role of the PI3K/Akt/eNOS/NO/cGMP Signaling Pathway
( Nature Publishing Group , 2017 , Article)Salvia fruticosa (SF) Mill. is traditionally used for its antihypertensive actions. However, little is known about its pharmacologic and molecular mechanisms of action. Here we determined the effects of an ethanolic extract ... -
Sample Entropy, Univariate, and Multivariate Multi-Scale Entropy in Comparison with Classical Postural Sway Parameters in Young Healthy Adults.
( Frontiers Media , 2017 , Article)The present study aimed to compare various entropy measures to assess the dynamics and complexity of center of pressure (COP) displacements. Perturbing balance tests are often used in healthy subjects to imitate either ... -
Sampling of Multiple Variables Based on Partially Ordered Set Theory
( Iranian Statistical Society , 2021 , Article)We introduce a new method for ranked set sampling with multiple criteria. The method relaxes the restriction of selecting just one individual variable from each ranked set. Under the new method for ranking, units are ranked ... -
SARS-CoV-2 antibody-positivity protects against reinfection for at least seven months with 95% efficacy
( Elsevier , 2021 , Article)Background Reinfection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been documented, raising public health concerns. SARS-CoV-2 reinfections were assessed in a cohort of antibody-positive persons ... -
SARS-CoV-2 does not replicate in HaCaT spontaneously immortalized human keratinocytes: implications for the pathogenesis of COVID-19-associated skin manifestations
( John Libbey Eurotext , 2022 , Article)Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2)-related cutaneous manifestations have been reported [1], however, the direct or indirect role of SARS-CoV-2 infection in their pathophysiology is still debated ... -
SARS-CoV-2 infection hospitalization, severity, criticality, and fatality rates in Qatar
( Nature Research , 2021 , Article)The SARS-CoV-2 pandemic resulted in considerable morbidity and mortality as well as severe economic and societal disruptions. Despite scientific progress, true infection severity, factoring both diagnosed and undiagnosed ...