Browsing Research Units by Title
Now showing items 743-762 of 4990
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CO2 sorption kinetics of scaled-up polyethylenimine-functionalized mesoporous silica sorbent
( American Chemical Society , 2015 , Article)Two CO2 solid sorbents based on polyethylenimine, PEI (Mn ∼ 423 and 10K), impregnated into mesoporous silica (MPS) foam prepared in kilogram quantities via a scale-up process were synthesized and systematically characterized ... -
Coal fly ash supported Ag@Bi2WO6: A novel heterogeneous nanocomposite for effective sunlight driven photocatalytic degradation of dye
( Elsevier , 2023 , Article)Water contamination is a serious environmental issue. It has detrimental effects on the living habitat. This contaminated water is treated with numerous physicochemical techniques. Presently, adsorption-enhanced photo-catalysis ... -
Coal fly ash supported CoFe2O4 nanocomposites: Synergetic Fenton-like and photocatalytic degradation of methylene blue
( Elsevier , 2022 , Article)Rapid industrialization is causing a serious threat for the environment. Therefore, this research was aimed in developing ceramic cobalt ferrite (CoFe2O4) nanocomposite photocatalyst coated with coal fly ash (CFA-CoFe2O4) ... -
Coastal Development and Climate Risk Reduction in the Persian/Arabian Gulf: The case of Qatar
( Cambridge University Press , 2019 , Book chapter)limate change consideration in coastal developments in the GCC regions are neither adequately studied nor incorporated into specific policies. The rapid pace of coastal development seeks to accommodate short-term to mid-term ... -
Coastal State Regulation of Bunkering and Ship-to-Ship (STS) Oil Transfer Operations in the EEZ: An Analysis of State Practice and of Coastal State Jurisdiction Under the LOSC
( taylor and francis online , 2019 , Article)While the United Nations Convention on the Law of the Sea (LOSC) expressly allocates jurisdiction in regard to several activities that are conducted in the exclusive economic zone (EEZ), it does not do so for bunkering and ... -
Coins from Al-Zubarah, Qatar: A historical-scientific study
( Magnus Group LLC , 2021 , Conference Paper)A surface archaeological coins “Zu/111 found at the old town of Al-Zubarah, Qatar” has been analysed complementarily using historic and scientific characterization techniques. For example, a scanning electron microscope ... -
Cold Plasma as Effective Tool for Aluminum Surface Cleaning
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Aluminum (Al) is heavily used to manufacture structural parts in the aeronautic, railway, automotive or naval industries because of its lightness and its corrosion resistance [1]. One of the most popular uses of Al is in ... -
Cold Plasma-An Efficient Tool for Nanotechnological Modification of Polyester-Based Polymers
( Apple Academic Press , 2024 , Book chapter)Polyester surface was pretreated by cold plasma to improve its adhesive properties. The changes in the chemical structure of the pretreated polymer were analyzed by attenuated total reflectance Fourier-transform infrared ... -
Collaborative innovation for sustainability in Nordic cities
( Elsevier Ltd , 2021 , Article)New integrative, collaborative, and innovative approaches are needed to overcome global sustainability challenges. Exploring the diversity of collaborative innovation in six Nordic cities, this study aims to advance our ... -
Collaborative Truck-Drone Routing for Contactless Parcel Delivery during the Epidemic
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)The COVID-19 pandemic calls for contactless deliveries. To prevent the further spread of the disease and ensure the timely delivery of supplies, this paper investigates a collaborative truck-drone routing problem for ... -
Collective Environmental Action to Preserve the Gulf’s Marine Ecosystem
( Bourse & Bazaar Foundation , 2023 , Book chapter)The Gulf’s marine ecosystems are vital for economic activities and the security of food and other necessities for tens of millions of people. The environmental footprint arising from the use of the Gulf’s environmental ... -
Collision/reaction cell ICP-MS with shielded torch and sector field ICP-MS for the simultaneous determination of selenium isotopes in biological matrices
( Humana Press Inc , 2011 , Article)The determinations of selenium isotopes in biological samples were performed using both inductively coupled plasma collision/reaction cell quadruple mass spectrometer (CRC-ICP-QMS) and inductively coupled plasma sector ... -
Colloidal distribution of the PCPDTBT and VOPcPhO in the organic amalgam thin films and their optical properties
( Springer Verlag , 2017 , Article)In this article, we investigated the optical properties and colloidal distribution of the PCPDTBT and VOPcPhO in the organic amalgam thin films prepared by spin-coating technique. A very even dispersion of donor and acceptor ... -
Colorimetric gold nanoparticles-based assay for direct detection of Clostridium difficile in clinical isolates from Qatar
( Academic Journals , 2017 , Article)Clostridium difficile infection (CDI) is a significant health problem worldwide. Control and prevention strategies of C. difficile horizontal transmission require assays with fast detection with high specificity and ... -
Colorimetry-Based Detection of Biomarkers in Exhaled Breath for Predicting COVID-19 Disease
( Qatar University Press , 2021 , Poster)Exhaled breath is the biological medium that carries relevant medical information and can be used to analyse biomarkers characteristic for detecting abnormal health status. Thus, by systematically analysing the interaction ... -
Colorimetry-based Detection of Exhaled Breath Biomarkers for Predicting Heart Failure
( Qatar University Press , 2021 , Poster)The exhaled breath volatile organic compounds (VOC's) represent a biosignature with the potential to identify and describe heart failure diseases. Exhaled Breath biomarkers-based diagnosis of heart diseases may be easier ... -
Colorimetry-based detection of nitric oxide from exhaled breath for quantification of oxidative stress in human body
( MDPI AG , 2021 , Article)Monitoring exhaled breath is a safe, noninvasive method for determining the health status of the human body. Most of the components in our exhaled breath can act as health biomarkers, and they help in providing information ... -
Combination of air stripping and biological processes for landfill leachate treatment
( Korean Society of Environmental Engineers , 2020 , Article)Landfill waste decomposition generates a dark effluent named, leachate which is characterized by high organic matter content. To minimize these polluting effects, it becomes necessary to develop an effective landfill ... -
Combination of Shape-Memory Polymers and Metal Alloys
( Springer International Publishing , 2022 , Book chapter)Stimuli-responsive metal alloys and polymers considerably varied their properties like mechanical, optical, electrical properties, and shape upon exposure to external conditions like temperature, light, electric field, ... -
Combined chemo-magnetic field-photothermal breast cancer therapy based on porous magnetite nanospheres
( Nature Research , 2020 , Article)The efficacy of different modalities of treating breast cancer is inhibited by several limitations such as off-targeted drug distribution, rapid drug clearance, and drug resistance. To overcome these limitations, we developed ...