Now showing items 1-20 of 1540

    • 1H magnetic resonance spectroscopy of 2H-to-1H exchange quantifies the dynamics of cellular metabolism in vivo 

      Rich, Laurie J; Bagga, Puneet; Wilson, Neil E; Schnall, Mitchell D; Detre, John A; ... more authors ( Nature Research , 2020 , Article)
      Quantitative mapping of the in vivo dynamics of cellular metabolism via non-invasive imaging contributes to our understanding of the initiation and progression of diseases associated with dysregulated metabolic processes. ...
    • 2022 Qatar World Cup: Impact Perceptions among Qatar Residents 

      Al-Emadi, Ahmed; Kaplanidou, K.; Diop, A.; Sagas, M.; Le, K.T.; ... more authors ( SAGE Publications , 2016 , Article)
      The purpose of this study was to evaluate how the impacts from the 2022 World Cup preparations in Qatar influenced local residents’ attitudes, personal and community quality of life perceptions, excitement about hosting ...
    • 2D Ti3C2Tx (MXene)-reinforced polyvinyl alcohol (PVA) nanofibers with enhanced mechanical and electrical properties 

      Sobol?iak, Patrik; Ali, Adnan; Hassan, Mohammad K.; Helal, Mohamed I.; Tanvir, Aisha; ... more authors ( Public Library of Science , 2017 , Article)
      Novel 2D Ti3C2Tx (MXene)-reinforced polyvinyl alcohol (PVA) nanofibers have been successfully fabricated by an electrospinning technique. The high aspect ratio, hydrophilic surfaces, and metallic conductivity of delaminated ...
    • 3D architectures of titania nanotubes and graphene with efficient nanosynergy for supercapacitors 

      Ponnamma, Deepalekshmi; P, Poornima Vijayan; Al-Maadeed, MariamAl Ali ( Elsevier Ltd , 2017 , Article)
      One dimensional titanium dioxide nanotubes (titania nanotubes or TNT) are grown on the surface of two dimensional graphene sheets by hydrothermal method so that desirable out of plane properties are obtained in the final ...
    • A combined pathway for the synthesis of nitidine family alkaloids 

      Pallikonda G.; Hsieh C.-Y.; Su H.-L.; Hsieh J.-C. ( Springer Netherlands , 2019 , Article)
      Three related alkaloids, oxynitidine, nitidine and 5,6-dihydronitidine, have been afforded by the new synthetic protocols. In this approach, the Ni-catalyzed annulation reaction is indicated as the key step to construct ...
    • A comparative study of novel activated AMP using 1,5-diamino-2-methylpentane vs MEA solution for CO2 capture from gas-fired power plant 

      Nwaoha C.; Tontiwachwuthikul P.; Benamor A. ( Elsevier Ltd , 2018 , Article)
      Bench-scale pilot plant study of AMP and 1,5-diamino-2-methylpentane (DA2MP) blend for CO2 capture from gas-fired power plant is investigated. The concentration of the amine blend is 2 kmol/m3 AMP-1.5 kmol/m3 DA2MP while ...
    • A comparative study of structural and mechanical properties of Al-Cu composites prepared by vacuum and microwave sintering techniques 

      Matli P.R.; Fareeha U.; Shakoor R.A.; Mohamed A.M.A. ( Elsevier Editora Ltda , 2018 , Article)
      In this paper, the aluminum metal matrix composite reinforced with copper particulates (3, 6 and 9 vol.%) were fabricated by high energy ball milling, followed by vacuum sintering (VS) and microwave sintering techniques ...
    • A comparative study of the growth of Tetraselmis sp. in large scale fixed depth and decreasing depth raceway ponds 

      Das, Probir; Thaher, Mahmoud Ibrahim; Abdul Quadir, Mohammed; AbdulHakim, Mohd; Al-Jabri, Hareb Mohammed S. J.; ... more authors ( Elsevier Ltd , 2016 , Article)
      In this study, an alternative approach was proposed where excess seawater would be added only during inoculation (DD) rather than daily addition (FD). Growth and metabolite contents of Tetraselmis sp. weren't affected for ...
    • A comparative study on long term stability of self-healing epoxy coating with different inorganic nanotubes as healing agent reservoirs 

      Vijayan, P. P.; El-Gawady, Y. Mohamed Hany; Al-Maadeed, M. Ali S.A. ( BME-PT and GTE , 2017 , Article)
      Self-healing epoxy coatings were prepared with different nanotubes as reservoirs for epoxy monomer (healing agent). The nanotubes selected for the current study were TiO2 nanotubes with two different tube diameter (TNT1 ...
    • A comparative study on the operational performance of four-leg intersections by control type 

      Arshi A.N.; Alhajyaseen W.K.M.; Nakamura H.; Zhang X. ( Elsevier Ltd , 2018 , Article)
      The selection of proper control types at intersections at the planning stage is an important concern considering the difficulty in comparing the performance of different control types. Therefore, several manuals proposed ...
    • A comparative study on the performance of hybrid solar cells containing ZnSTe QDs in hole transporting layer and photoactive layer 

      Najeeb, Mansoor Ani; Abdullah, Shahino Mah; Aziz, Fakhra; Ahmad, Zubair; Shakoor, R. A.; ... more authors ( Springer Netherlands , 2016 , Article)
      In this paper, ZnSTe quantum dots-based hybrid solar cells (HSC) with two different device architectures have been investigated. The improved performance of the poly(3-hexylthiophene) (P3HT) and [6,6]phenyl C71 butyric ...
    • A Fast Responsive Ultraviolet Sensor from mSILAR-Processed Sn-ZnO 

      Thomas, Deepu; Vijayalakshmi, K. A.; Sadasivuni, Kishor Kumar; Thomas, Ajith; Ponnamma, Deepalekshmi; ... more authors ( Springer New York LLC , 2017 , Article)
      Microwave-assisted successive ionic layer adsorption and reaction was employed to synthesize Sn-ZnO (tin-doped zinc oxide), and its sensitivity to ultraviolet radiation is compared with zinc oxide (ZnO). The sensing films ...
    • A Global Declaration on Appropriate Use of Antimicrobial Agents across the Surgical Pathway 

      Sartelli, Massimo; Kluger, Yoram; Ansaloni, Luca; Carlet, Jean; Brink, Adrian; ... more authors ( Mary Ann Liebert Inc. , 2017 , Article)
      This declaration, signed by an interdisciplinary task force of 234 experts from 83 different countries with different backgrounds, highlights the threat posed by antimicrobial resistance and the need for appropriate use ...
    • A graphene-based glycan biosensor for electrochemical label-free detection of a tumor-associated antibody 

      Kveton F.; Blsakova A.; Lorencova L.; Jerigova M.; Velic D.; ... more authors ( MDPI AG , 2019 , Article)
      The study describes development of a glycan biosensor for detection of a tumor-associated antibody. The glycan biosensor is built on an electrochemically activated/oxidized graphene screen-printed electrode (GSPE). Oxygen ...
    • A hybrid approach for identifying factors affecting driver reaction time using naturalistic driving data 

      Arbabzadeh N.; Jafari M.; Jalayer M.; Jiang S.; Kharbeche M. ( Elsevier Ltd , 2019 , Article)
      The National Transportation Safety Board (NTSB) estimates that 80% of the deaths and injuries resulting from rear-end collisions could be prevented by the use of advanced collision avoidance systems. While autonomous or ...
    • A hybrid electro-coagulation/forward osmosis system for treatment of produced water 

      Al Hawli B.; Benamor A.; Hawari A.A. ( Elsevier B.V. , 2019 , Article)
      Oil and gas exploration produce large volumes highly contaminated produced water (PW) which exhibits a major environmental challenge. This work investigates the application of a novel hybrid system by combining electro-coagulation ...
    • A mathematical model for carbon fixation and nutrient removal by an algal photobioreactor 

      Al Ketife, Ahmed M.D.; Judd, Simon; Znada, Hussein ( Elsevier Ltd , 2016 , Article)
      A comprehensive mathematical modeling method for Chlorella vulgaris (Cv) has been developed to assess the influence of nutrient concentration (total nitrogen TN= 28-207 and total phosphorus TP= 6-8mgL 1) and irradiation ...
    • A mixed iron–manganese based pyrophosphate cathode, Na2Fe0.5Mn0.5P2O7, for rechargeable sodium ion batteries 

      Shakoor, Rana A.; Park, Chan Sun; Raja, Arsalan A.; Shin, Jaeho; Kahraman, Ramazan ( Royal Society of Chemistry , 2016 , Article)
      The development of secondary batteries based on abundant and cheap elements is vital. Among various alternatives to conventional lithium-ion batteries, sodium-ion batteries (SIBs) are promising due to the abundant resources ...
    • A new experimental device and inverse method to characterize thermal properties of composite phase change materials 

      Didier, Gossard; Mustapha, Karkri; AlMaadeed, Mariam A.; Krupa, Igor ( Elsevier BV , 2015 , Article)
      A new experimental device has been developed in order to characterize the phase change material (PCM) thermal properties (thermal conductivity k, sensible and latent heat thermal energy storage, cp and Lf) in the solid ...
    • A New Framework for Addressing High-level Decisions Related to Sustainable Transportation Development 

      Abdel Warith, Karim; Kandil, Amr; Haddock , John; Shaaban, Khaled ( Taylor and Francis Ltd. , 2019 , Article)
      Stakeholders in the transportation industry have been concerned with sustainability. However, transportation decision makers have had difficulty in incorporating sustainability into transportation infrastructure decisions ...