Browsing Academic by Title
Now showing items 6966-6985 of 25451
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Effect of near-infrared and blue laser light on vero E6 cells SARS-CoV-2 infection model
( Wiley , 2022 , Other)Photobiomodulation therapy (PBMT) employing laser light has been emerging as a safe strategy to challenge viruses. In this study the effect of blue and near-infrared (NIR) laser light was assessed in an in vitro model of ... -
The Effect of New and Traditional Sources of Financing on the Performance of Small and Entrepreneurship Businesses: The Case of Qatar
( Taylor & Francis , 2023 , Article)Purpose: This paper investigates how entrepreneurial finance in Qatar affects the performance of small and entrepreneurship businesses (SEB). It is the first study examining the financial decisions of SEB in Qatar, ... -
Effect of Ni incorporation in cobalt oxide lattice on carbon formation during ethanol decomposition reaction
( Elsevier B.V. , 2019 , Article)In this work, we report the results of catalytic decomposition of ethanol over a porous mixed metal oxide of Ni-Co (NiCoO2) and analyze the effect of Ni incorporation in Co3O4 lattice on the activity and hydrogen selectivity ... -
Effect of nickel on combustion synthesized copper/fumed-SiO2 catalyst for selective reduction of CO2 to CO
( John Wiley and Sons Ltd , 2022 , Article)In this study, we explore the effect of nickel incorporation in Cu/fumed-SiO2 catalyst for CO2 reduction reaction. Two catalysts, Cu and CuNi supported on fumed silica were synthesized using a novel surface restricted ... -
The effect of novel nitrogen-based chalcone analogs on colorectal cancer cells: Insight into the molecular pathways
( Elsevier , 2024 , Article)In colorectal cancer (CRC), aberrations in KRAS are associated with aggressive tumorigenesis and an overall low survival rate because of chemoresistance and adverse effects. Ergo, complementary, and integrative medicines ... -
The effect of nuts consumption on circulating oxidized low-density lipoproteins: A systematic review and meta-analysis of randomized controlled trials.
( Wiley , 2023 , Article Review)This systematic review and meta-analysis evaluated the effect of nuts in decreasing circulating levels of oxidized low-density lipoproteins (ox-LDL). A literature search was performed of major electronic databases ... -
Effect of octylphenol polyethylene oxide on the corrosion inhibition of steel in 0.5 M H2SO4
( Elsevier , 2004 , Article)A non-ionic surfactant, octylphenol polyethylene oxide (OPPEO), was evaluated as an inhibitor for corrosion of low-carbon steel in 0.5M H 2SO4. Potentiodynamic and potentiostatic methods and scanning electron microscopy ... -
Effect of Omega-3 Polyunsaturated Fatty Acids on Inflammatory Biomarkers in Chronic Obstructive Pulmonary Disease
( Qatar University Press , 2020 , Poster)Chronic obstructive pulmonary disease (COPD) is a chronic progressive inflammatory disease characterised by airflow limitation. Several pro-inflammatory markers are thought to be involved in the pathogenesis of COPD. ... -
Effect of operational parameters on distillate flux in direct contact membrane distillation (DCMD): Comparison between experimental and model predicted performance
( Elsevier B.V. , 2014 , Article)Membrane distillation (MD) is a thermally driven process where hydrophobic membranes are used to separate saline hot feed solution and cold stream of water and allow water to evaporate due to temperature difference. This ... -
Effect of Operational Parameters on the Behavior of Phosphorus and Sulfur in Aluminum Reduction
( John Wiley & Sons, Inc. , 2015 , Book chapter) -
Effect Of Oral Administration Of Alcohol On The Developing Rat Embryos
( Qatar University , 1988 , Article)Pregnant rats were forced to ingest 0.015 ml of 25% ethanol/gm body weight daily starting from day 7 (D7-group) or day 9 (D9-group) until day 15 of gestation. The number of surviving embryos significantly decreased and ... -
Effect of outdoor temperature on the power-conversion efficiency of newly synthesized organic photosensitizer based dye-sensitized solar cells
( Elsevier B.V. , 2018 , Article)In this work, organic photosensitizer has been synthesized for dye-sensitized solar cells (DSSCs). The solar cells then fabricated have been characterized by photocurrent-voltage characteristics and electrochemical impedance ... -
Effect of partial ferrule on fracture resistance of endodontically treated teeth: A meta-analysis of in-vitro studies.
( J-STAGE , 2023 , Article Review)The present meta-analysis aimed to answer the following research question: In endodontically treated teeth (ETT), what is the effect of partial ferrule (PF) on fracture resistance compared to complete ferrule (CF) and/or ... -
Effect of Pavement Surface Aging on Tire-Pavement Noise: A Case Study in the State of Qatar
( EDP Sciences , 2018 , Conference Paper)The acoustical performance of asphalt pavements changes with time due to combined effects of environmental conditions and various distresses induced by repeated and heavy traffic. This study examined the changes in the ... -
Effect of PCM packet mass and melting temperature on cooling vest performance
( ASHRAE , 2016 , Conference Paper)Workers in hot environment experience high heat stresses that affect their productivity and working intervals. A cooling vest containing phase change material packets (PCMs) is used as a passive body cooling method to ... -
Effect of Pedestrian Penalty on Pedestrian Behavior in Qatar
( Qatar University Press , 2021 , Poster)Crashes involving pedestrians are a major concern for authorities in many developed and developing countries. To refrain pedestrians from illegal or unsafe road behavior, authorities introduced three pedestrian penalties ... -
Effect of PEG functionalized carbon nanotubes on the enhancement of thermal and physical properties of nanofluids
( Elsevier Inc. , 2017 , Article)In this study, pristine carbon nanotubes and polyethylene glycol functionalized carbon nanotubes (CNT-PEG) have been used to enhance the heat capacity, viscosity, thermal conductivity, heat transfer rate and pressure drop ... -
THE EFFECT OF PERCEIVED PRIVACY ON CONSUMERS’ BEHAVIORAL INTENTIONS: AN APPLICATION TO RESTAURANT SETTINGS IN QATAR
(2018 , Master Thesis)The topic of atmospherics and how they impact consumer behavior has been studied extensively in marketing literature within retailing contexts. However, the impact of perceived privacy on consumer responses has not been ... -
The Effect of Performance Accountability Reporting on Public Trust for NPOS in Qatar
( Springer , 2022 , Conference Paper)Public trust is one of the main pillars in the continuous of Non-profit Organizations (NPOs). In order for an NPO to build public trust, they need to provide accountability. Thus, the study examines the performance ... -
The effect of performance appraisal on job performance in governmental sector: The mediating role of motivation
( Growing Science , 2020 , Article)The purpose of this paper is to assess the impact of performance appraisal on job performance focusing on the role of Motivation in the governmental sector in Qatar. While many organizations consider performance appraisal ...
