تصفح Research Units حسب العنوان
السجلات المعروضة 2936 -- 2955 من 4763
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On the scarcity and promise of survey-based studies of international relations and security affairs in the Middle East
( Routledge , 2023 , Article)Despite a dramatic increase in the availability and quality of public opinion data from the Middle East and North Africa (MENA) since the Arab uprisings of 2011, the use of surveys to study international relations and ... -
On the synergistic corrosion inhibition and polymer healing effects of polyolefin coatings modified with Ce-loaded hydroxyapatite particles applied on steel
( Elsevier Ltd , 2021 , Article)pH-sensitive hydroxyapatite particles were loaded with cerium ions (Ce-HAP) and incorporated into polyolefin coatings applied on carbon steel. The Ce-modified hydroxyapatite particles were characterized by scanning electron ... -
Oncolytic viruses as nanomedicines against the tumor microenvironment
( AMG Transcend Association , 2021 , Article Review)The tumor microenvironment is best described as the battleground for fighting cancer and the host immune system. Contrary to primitive beliefs that cancer growth and progression are solely dependent on cancer cells, recent ... -
Oncoproteins of High-Risk HPV and EBV Cooperate to Enhance Cell Motility and Invasion of Human Breast Cancer Cells Erk1/Erk2 and β-Catenin Signaling Pathways.
( Frontiers Media , 2021 , Article)Breast cancer is a leading cause of death in women around the world. Most breast cancer-related deaths are a result of complications from the metastatic spread. Several recent studies reported that high-risk human ... -
One minute microwave synthesis of [O2N-Ph-CH2-Py = N(Me)2]+[Cl]− ionic liquid: XRD/HSA-interactions, physicochemical, optical, thermal and A DFT/TD-DFT analysis
( Elsevier , 2021 , Article)1-(4-nitrobenzyl)-4-dimethylaminopyridinium chloride, [O2N-Ph-CH2-Py = N(Me)2]+[Cl]−, was made available in good yield and within one minute using microwave assisted reaction (MW). The ionic liquid product resonance structure ... -
One Year of SARS-CoV-2: Genomic Characterization of COVID-19 Outbreak in Qatar
( Frontiers , 2021 , Article)Qatar, a country with a strong health system and a diverse population consisting mainly of expatriate residents, has experienced two large waves of COVID-19 outbreak. In this study, we report on 2634 SARS-CoV-2 whole-genome ... -
A One-button Activation System for Enhanced Root Canal Irrigation
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Activation of irrigants is a crucial cornerstone in endodontic therapy, with the objective of eradicating challenging microbial biofilms within the intricate dental canals. Despite the advancements in root canal treatment, ... -
One-dimensional facile growth of MAPbI3 perovskite micro-rods
( Royal Society of Chemistry , 2019 , Article)One-dimensional microrods (4–5 mm) of PbI2 and CH3NH3PbI3 (MAPbI3) with unique structural and morphological properties have been grown at room temperature. X-ray diffraction (XRD) patterns of both types of micro-rods exhibit ... -
One-Pot Tandem Ring-Opening and Ring-Closing Metathesis Polymerization of Disubstituted Cyclopentenes Featuring a Terminal Alkyne Functionality
( American Chemical Society , 2020 , Article)Tandem metathesis polymerization of terminal alkynes with a small functional ring-size cycloalkene remains a challenge. A series of 1-propargyl-1′-carboxylate ester monomers M1-M4 derived from 3-cyclopentene initiated by ... -
Open Banking: The Emergence of New Digital Business Models
( World Scientific , 2020 , Article)Open banking has recently been advanced as a measure to foster competition and innovation in the retail banking sector. Since its introduction in the UK, a number of banks have created new digital business models (BMs) ... -
Opportunities, challenges and trade-offs with decreasing avoidable food waste in the UK
( SAGE Publications , 2021 , Article)The Author(s) 2021. Around 6 million tonnes of edible food are being wasted (post-farm gate) in the UK each year. This fraction of edible wasted food is known as avoidable food waste. In a circular economy food is a valuable ... -
Optical Non-invasive Technique for Cholesterol Detection in Blood
( Qatar University Press , 2021 , Poster)The aim of this research is to design and develop a non-invasive cholesterol sensor based on the principle of light absorption. The current existing invasive methods can be replaced with non-invasive techniques. The ... -
Optical pavement treatments and their impact on speed and lateral position at transition zones: A driving simulator study
( Elsevier , 2021 , Article)Transition zones are a road section where posted speed drops from higher to lower limits. Due to the sudden changes in posted speed limits and road environment, drivers usually do not adapt to the posted speed limits and ... -
Optical sensors based on the NiPc-CoPc composite films deposited by drop casting and under the action of centrifugal force
( Institute of Physics Publishing , 2017 , Article)In this study, solution processed composite films of nickel phthalocyanine (NiPc) and cobalt phthalocyanine (CoPc) are deposited by drop casting and under centrifugal force. The films are deposited on surface-type ... -
Optimal sizing of a stand-alone hybrid PV-WT-BT system using artificial intelligence based technique
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Nowadays, conventional energy system is being replaced by renewable energy system. Especially, PV systems and wind energy systems are gaining much attention due to their future sustainability and eco-friendly nature. ... -
Optimal Water-Fertilizer Combinations for Efficient Nitrogen Fixation by Sugarcane at Different Stages of Growth
( MDPI , 2021 , Article)High fertilizer application and over-irrigation in sugarcane systems can cause considerable N2O emissions. Optimized water-fertilization management which reduces N2O emissions, while maintaining sugarcane biomass, is ... -
Optimization and Prediction of Mechanical and Thermal Properties of Graphene/LLDPE Nanocomposites by Using Artificial Neural Networks
( Hindawi Publishing Corporation , 2016 , Article)The focus of this work is to develop the knowledge of prediction of the physical and chemical properties of processed linear low density polyethylene (LLDPE)/graphene nanoplatelets composites. Composites made from LLDPE ... -
Optimization of a combined approach for the treatment of carbide slurry and capture of CO2
( Science Publications , 2016 , Article)The aim of this study is to evaluate the potential use of electrocoagulation in the treatment of carbide slurry, a wastewater generated during the production of acetylene, and in the capture of carbon dioxide. An electrochemical ... -
Optimization of anaerobic co-digestion of fruit and vegetable waste with animal manure feedstocks using mixture design
( Springer , 2022 , Article)Optimization of anaerobic co-digestion of fruits and vegetable waste (FVW) with cow manure (CD) and poultry manure (PM) was studied by conducting biochemical methane potential (BMP) tests at different mixing ratios using ... -
Optimization of cultivation conditions for combined nutrient removal and CO2 fixation in a batch photobioreactor
( John Wiley and Sons Ltd , 2017 , Article)BACKGROUND The application of Chlorella vulgaris for simultaneous CO2 biofixation and nutrient removal has been optimised using response surface methodology (RSM) based on Box Behnken design (BBD). Experimental conditions ...
