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السجلات المعروضة 4229 -- 4248 من 4691
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Ultra-trace Measurements of 210Pb in natural occurring radioactive materials by ICP-MS
( Elsevier , 2010 , Article)Collision cell inductively coupled plasma mass spectrometry (CC-ICP-MS) was investigated as a possible alternative to nuclear analytical techniques for the determination of 210Pb. The formation of isobaric and polyatomic ... -
Ultrahigh capacitive deionization performance by 3D interconnected MOF-derived nitrogen-doped carbon tubes
( Elsevier B.V. , 2020 , Article)The design of new-family carbon materials to capture more saline ions is one of the biggest challenges of capacitive deionization (CDI) for water desalination. Herein, we demonstrate the preparation of integrated tubular ... -
Ultrasensitive Ti3C2TX MXene/chitosan nanocomposite-based amperometric biosensor for detection of potential prostate cancer marker in urine samples
( MDPI AG , 2020 , Article)Two-dimensional layered nanomaterial Ti3C2TX (a member of the MXene family) was used to immobilise enzyme sarcosine oxidase to fabricate a nanostructured biosensor. The device was applied for detection of sarcosine, a ... -
Ultrasound controlled paclitaxel releasing system—A novel method for improving the availability of coronary artery drug coated balloon
( Wiley , 2020 , Article)Objectives: The aim of this study is to improve local-drug delivery efficiency and tissue absorption using the ultrasound (US)-responsible drug coating based on a newly developed US-controlled paclitaxel release balloon. ... -
The UN Convention on the Rights of Persons with Disabilities from a Qatari Human Rights Perspective
(2016 , Presentation)For a long time disability was considered a question of social development, outside the responsibilities of official human rights institutions. Over the last three decades this approach has evolved, and disability is now ... -
The UN Convention on the Rights of Persons with Disabilities (CRPD) and its Impact on Qatar: Transitioning towards Full Implementation
(2016 , Poster)Disability: interaction between long-term physical, mental, intellectual or sensory impairments and various barriers hindering full and effective participation in society (UNCRPD) Aim of CRPD: Promote, protect and ... -
Uncovering responses of zooplankton community to CO2 acidification in Qatar coastal waters
( Hamad Bin Khalifa University Press , 2016 , Conference Paper)The combustion of fossil fuels is pushing atmospheric concentrations of carbon dioxide (CO2) to unprecedented levels. This rapid increase in atmospheric CO2 is causing global changes, with noticeable increases in temperature, ... -
Uncovering the immunological repertoire of the carpet shell clam
( Elsevier B.V. on behalf of KeAi Communications Co. , 2019 , Article)The grooved carpet-shell clam Ruditapes decussatus is native to the Northern Atlantic and Mediterranean Sea and has a high commercial value. It is one of the main native bivalve species cultured in Europe. The main ... -
Undergraduate Research Experience Models: A systematic review of the literature from 2011 to 2021
( Elsevier , 2022 , Article)Undergraduate research experiences (UREs) impart a great deal of knowledge to undergraduate students, enhance the research capital of institutes, and authenticate the country's educational outcomes. To effectively assimilate ... -
Underlying Mechanisms of Transit-Oriented Development: A Conceptual System Dynamics Model in Qatar
( MDPI , 2022 , Article)Transit-Oriented Development (TOD) is an urban planning approach that facilitates the achievement of sustainable development goals from an urban planning and transportation perspective. Developed countries are moving rapidly ... -
Understanding and Enabling “Communities” Within Smart Cities: A Literature Review
( SAGE Publications Ltd , 2023 , Article)Community-level interventions through technological updates and connectedness are quite popular within smart city visions. These interventions, under the collective label of smart and connected communities (SCC), promise ... -
Understanding diabetes-induced cardiomyopathy from the perspective of renin angiotensin aldosterone system
( Springer , 2021 , Article)Experimental and clinical evidence suggests that diabetic subjects are predisposed to a distinct cardiovascular dysfunction, known as diabetic cardiomyopathy (DCM), which could be an autonomous disease independent of ... -
Understanding impact of heat, drought, and salinity stresses on growth and physiological attributes of Chenopodium album under field conditions
( Springer , 2023 , Article)Utilizing potential of wild crop relatives becomes a necessity under current climate trends scenario. Chenopodium album is a natural inhabitant of Qatari harsh environment that is characterised by a combination of various ... -
Understanding participation in non-farm activities in rural Sudan: across-sector study of irrigated and rainfed agricultural systems
( Emerald Publishing Limited , 2022 , Article)Purpose: This paper examines the determinants of participation in non-farm activities in rural Sudan. It also investigates whether the factors that influence participation in non-farm activities vary across agriculture ... -
Understanding the binding interaction between phenyl boronic acid P1 and sugars: determination of association and dissociation constants using S?V plots, steady-state spectroscopic methods and molecular docking
( John Wiley and Sons Ltd , 2021 , Article)Continuous monitoring of glucose and sugar sensing plays a vital role in diabetes control. The drawbacks of the present enzyme-based sugar sensors have encouraged the investigation into alternate approaches to design new ... -
Understanding the electrochemical performance of LiNi0. 5Mn1.5O4 coated with Yttria and distributed over graphene nanosheets as cathode in li-ion batteries
( Qatar University Press , 2021 , Poster)LiNi0.5Mn1.5O4 is a promising cathode material for lithium-ion batteries with a high-voltage spinel structure. A microwave-assisted chemical co-precipitation method was used to synthesize Y2O3 coated quasi-spheres of ... -
Understanding the False Positive of Modified Martensitic Steels in Sweet & Sour Service Conditions Using a Point Defect Model Perspective
(2023 , Conference Paper)Modified 13Cr martensitic stainless steels (UNS S41426) are a class of materials used for operations involving natural gas production in sweet and moderately sour service conditions. Discrepancies between experimental ... -
Understanding the genetics of early onset obesity in a cohort of children from Qatar.
( Oxford University Press , 2023 , Article)Monogenic obesity is a rare form of obesity due to pathogenic variants in genes implicated in the leptin-melanocortin signaling pathway and accounts for around 5% of severe early onset obesity. Mutations in the genes ... -
Understanding the mechanics of complex topology of the 3D printed Anthill architecture
( Oxford University Press , 2022 , Article)The present work aimed to investigate the deformation behavior of complex ant mound architectures under compression. We have used the cement casting method to extract four different ant nest morphologies. These casted ... -
Understanding the Nature of Capacity Decay and Interface Properties in Li//LiNi0.5Mn1.5O4 Cells by Cycling Aging and Titration Techniques
( American Chemical Society , 2020 , Article)The spinel structure LiNi0.5Mn1.5O4 (LNMO) is a propitious cathode material for next-generation lithium-ion batteries for fast charge-discharge applications, but its capacity decay mechanism and rate-limiting process are ...
