Browsing Research Units by Title

Now showing items 3273-3292 of 4656

    • Pursuing Frugal Innovation for Sustainability at the Grassroots Level 

      Hossain, Mokter; Levänen, Jarkko; Wierenga, Marleen ( Cambridge University Press , 2021 , Article)
      Firms are often criticized for their reluctance to embrace sustainability in their business strategies. Frugal innovation is a recent concept that represents a new way for firms to serve underserved customers in developing ...

    • PVA/chitosan/silver nanoparticles electrospun nanocomposites: Molecular relaxations investigated by modern broadband dielectric spectroscopy 

      Hassan M.K.; Abukmail A.; Hassiba A.J.; Mauritz K.A.; Elzatahry A.A. ( MDPI AG , 2018 , Article)
      In this study, we used broadband dielectric spectroscopy to analyze polymer nanofibers of poly(vinyl alcohol)/chitosan/silver nanoparticles. We also studied the effect of incorporating silver nanoparticles in the polymeric ...

    • Pyridoxine non-responsive p.R336C mutation alters the molecular properties of cystathionine beta-synthase leading to severe homocystinuria phenotype 

      Al-Sadeq, Duaa W.; Thanassoulas, Angelos; Islam, Zeyaul; Kolatkar, Prasanna; Al-Dewik, Nader; ... more authors ( Elsevier , 2022 , Article)
      The prevalence of homocystinuria in Qatar is 1:1800, mainly due to a founder missense mutation p.R336C. • The cystathionine beta-synthase (CBS) R336C mutant was bacterially expressed, purified and its molecular properties ...

    • Pyrite (FeS2)-supported ultrafiltration system for removal of mercury (II) from water 

      Han, Dong Suk; Solayman, Kawsher M.D.; Shon, Ho Kyong; Abdel-Wahab, Ahmed ( Springer , 2021 , Article)
      This study investigated the Hg(II) removal efficiencies of the reactive adsorbent membrane (RAM) hybrid filtration process, a removal process that produces stable final residuals. The reaction mechanism between Hg(II) and ...

    • Pyrite Scale Removal Using Green Formulations for Oil and Gas Applications: Reaction Kinetics 

      Ahmed M.E.M.; Saad M.A.; Hussein I.A.; Onawole A.T.; Mahmoud M. ( American Chemical Society , 2019 , Article)
      Pyrite is one of the toughest iron sulfide scales to remove, which causes major problems in oil and gas production by damaging production equipment. The use of inorganic acid in iron sulfide scale removal particularly ...

    • Pyrolysis Process as a Sustainable Management Option of Poultry Manure: Characterization of the Derived Biochars and Assessment of their Nutrient Release Capacities 

      Hadroug, Samar; Jellali, Salah; Leahy, James J.; Kwapenska, Marzena; Jeguirim, Mejdi; ... more authors ( MDPI , 2019 , Article)
      Raw poultry manure (RPM) and its derived biochars at temperatures of 400 (B400) and 600 ◦C (B600) were physico-chemically characterized, and their ability to release nutrients was assessed under static conditions. The ...

    • Pyrolytic elimination of ethylene from ethoxyquinolines and ethoxyisoquinolines: a computational study 

      Abdel-Rahman, Mohamed A.; Shibl, Mohamed F.; Mahmoud, Mohamed A. M. ( Nature Research , 2023 , Article)
      This work reports a thermo-kinetic study on unimolecular thermal decomposition of some ethoxyquinolines and ethoxyisoquinolines derivatives (1-ethoxyisoquinoline (1-EisoQ), 2-ethoxyquinoline (2-EQ), 3-ethoxyquinoline (3-EQ), ...

    • Qatalum's 1st Cut Spl; Treatment And Applications 

      Al-jarod, Omar and Abdullah, Aboubakr ( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)
      Spent Pot Lining (SPL) is produced in thousands of tons annually as a waste from the aluminum industry. SPL is classified into two types, 1st and 2nd Cut SPL. The 1st cut, which is the material under investigation in this ...

    • Qatar Against The Blockade 

      Al-Sayed, Hassan Abdulrahim; Al-Ansar, Majed Mohammad; Al-Khater, Lolwa Rashed; Al-Abul Qader, Khaled Shams; Al-Kubaisi, Fatima Ali; ; السيد, حسن عبدالرحيم; الأنصاري, ماجد محمد; العبدالقادر, خالد شمس; الكبيسي, فاطمة علي; الراكب, نوف عبدالهادي; ... more authors ( Social and Economic Survey Research Institute (SESRI) , 2017 , Article)
      INTRODUCTION: The unjust and surprising Qatar blockade may be considered the most important event in the country's contemporary history, given its essential political, economic and social impacts on Qatar’s present and ...

    • Qatar before the Committee on the Rights of Persons with Disabilities 

      Qutteina, Yara; Aviles, Maria del Carmen Barranco; Al-Ali, Khalid; de Asis, rafael; del Pozo, Pablo Rodriguez ( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)
      Background: The Convention on the Rights of Persons with Disabilities (the CRPD) is the first human rights treaty of the 21st century and the first binding instrument specifically focused on protecting persons with ...

    • Qatar Biobank and Qatar Genome Programs Road Map 

      Althani, A ( OMICS International , 2015 , Article)
      Qatar Biobank “QBB” is a large-scale, long term medical research initiative for the population of Qatar, which will serve as a platform and driver of biomedical research to achieve benefits for Qatar’s communities. Following ...

    • Qatar Biobank Cohort Study: Study Design and First Results. 

      Thani, Asma Al; Fthenou, Eleni; Paparrodopoulos, Spyridon; Marri, Ajayeb Al; Shi, Zumin; ... more authors ( Oxford University Press (OUP) , 2019 , Article)
      The authors describe the design, implementation and results of Qatar Biobank (QBB) for the first 10,000 participants. QBB is a prospective population-based cohort study in Qatar, established in 2012. QBB's primary goal was ...

    • Qatar Biobank: A Paradigm of Translating Biobank Science into Evidence-Based Health Care Interventions 

      Fthenou, Eleni; Al Thani, Asma; Al Marri, Ajaeb; Afifi, Nahla ( Mary Ann Liebert , 2019 , Article)
      Biobank science is progressively becoming indispensable for the development of novel diagnostic tools in health care, by pairing standardized high-quality biological samples, phenotypic, and omics data required to best ...

    • The Qatar Biobank: background and methods 

      Al Kuwari, Hanan; Al-Thani, Asma; Al Marri, Ajayeb; Al Kaabi, Abdulla; Abderrahim, Hadi; ... more authors ( BioMed Central , 2015 , Article)
      Background: The Qatar Biobank aims to collect extensive lifestyle, clinical, and biological information from up to 60,000 men and women Qatari nationals and long-term residents (individuals living in the country for ≥15 ...

    • Qatar Biobank: COVID-19 biorepository project 

      Afifi, Nahla; Fthenou, Eleni; El Deeb, Marwa; Frenneaux, Michael; Al Thani, Asma; ... more authors ( Hamad bin Khalifa University Press (HBKU Press) , 2021 , Article)
      Background: The rapid spread of the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) and its resulting disease (COVID-19) is one of the greatest global public health crisis of the recent decades 1 . The COVID-19 ...

    • Qatar Culture Collection of Microalgae: A Sustainable Source for Biodiesel Production and Omega Fatty Acid Compounds 

      Bounnit, Touria; Al Ghazal, Gomza; Al Mureikhi, Mariam; Saadaoui, Imen; Al Jabri, Hareb ( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)
      Microalgae are photosynthetic microorganisms that can grow in different environments (sea water, fresh water, waste water soil, rocks…) and under various conditions (Light, pH, temperature, salinity…). During their phases ...

    • Qatar Defense Strategies 

      Al-Mohannadi, Fatma Hilal ( Gulf Studies center - College of Arts & Sciences - Qatar University , 2021 , Conference Paper)
      Security become a crucial subject in the Arab world and Gulf region, particularly is that the security concept now include different aspects represent in social, cyber, economic and health security. So, the security of the ...

    • Qatar Education Study 2012- Students’ Motivation and Parental 

      Alemadi, Darwish; Al-Emadi, Ahmed; Diop, Abdoulaye; Trung Le, Kien; Kimmel, Linda; ... more authors ( The Social and Economic Survey Research Institute, Qatar University. , 2012 , Other)
      This report examines the views of children, parents, teachers, and administrators toward K-12 education in Qatar. It is based on results from the Qatar Education Study (QES), which is a series of surveys conducted by the ...

    • Qatar Education Study 2015: Students' Motivation and Parental Participation Report 

      Al-Emadi, Darwish; Sellami, Abdel Latif; Al-Emadi, Ahmed ( SESRI - Qatar University , 2016 , Report)
      The prosperity of a nation is due in part to the investments it makes in education, the value of which cannot be overstated. Indeed, education is the catalyst for improved socio-economic opportunities for a country such ...

    • QATAR EDUCATION STUDY : Facilities Report 2012 

      Al-Emadi, Darwish; Al-Emadi, Ahmed; Diop, Abdoulaye; Trung Le, Kien; Kimmel, Linda; ... more authors ( The Social and Economic Survey Research Institute, Qatar University. , 2015 , Other)
      This report examines the views of students, teachers and administrators toward K-12 education in Qatar. It is based on results from the Qatar Education Study (QES), which is a series of surveys conducted by the Social ...