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Now showing items 20092-20111 of 48728

    • Prospects and Challenges of Green Hydrogen Economy via Multi-Sector Global Symbiosis in Qatar 

      Eljack, F.; Kazi, M.-K. ( Frontiers Media S.A. , 2020 , Article)
      Low carbon hydrogen can be an excellent source of clean energy, which can combat global climate change and poor air quality. Hydrogen based economy can be a great opportunity for a country like Qatar to decarbonize its ...

    • Prospects for Alternative Energy in the Gulf 

      Bahgat, Gawdat G. ( Gulf Studies center - College of Arts & Sciences - Qatar University , 2019 , Conference Paper)
      The Middle East region holds the world's largest oil and natural gas proven reserves. Several Middle-Eastern states are major oil producers and consumers. Given price fluctuations and environmental concerns, many countries ...

    • Prospects for climate-scale regional numerical modelling for the Arabian Gulf and Qatar's marine region 

      Husrevoglu, Y. Sinan; Al-Ansari, Ebrahim S. ( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)
      Physical oceanographic studies at the Environmental Science Center (ESC) entail observational and numerical aspects. The main objective of observational studies is to build a reference time series for Qatar's marine exclusive ...

    • Prospects Of Amino Acids And Ionic Liquids As Natural Gas Hydrate Inhibitors For Offshore Flow Assurance 

      Qureshi, M. Fahed Aziz (2018 , Dissertation)
      Gas hydrates are ice-like compounds that are formed when small gas molecules get trapped within the water molecules at high pressure and low-temperature conditions. The formation of gas hydrates in the offshore subsea lines ...

    • Prospects of Biocrude Production Potential from Local Diatom 

      Al-Namimi, Sara Mohammed (2020 , Master Thesis)
      A marine diatom Nitzchia reversa was grown in 5 sq. m open raceway pond (10 cm culture depth, 500 L culture volume) in the Qatari desert environment. After 7 days of growth, the final biomass density reached 0.52 g/L, ...

    • Prospects of Curcumin Nanoformulations in Cancer Management 

      Amekyeh, Hilda; Alkhader, Enas; Sabra, Rayan; Billa, Nashiru ( Multidisciplinary Digital Publishing Institute (MDPI) , 2022 , Article)
      There is increasing interest in the use of natural compounds with beneficial pharmacological effects for managing diseases. Curcumin (CUR) is a phytochemical that is reportedly effective against some cancers through its ...

    • Prostate biopsy, targeted prophylaxis and infectious complications: a critique of methods used 

      Roberts, Matthew J.; Doi, Suhail A. ( Wiley , 2016 , Article)
      Commentary

    • Prostate-based biofluids for the detection of prostate cancer: A comparative study of the diagnostic performance of cell-sourced RNA biomarkers 

      Roberts, Matthew J.; Richards, Renee S.; Chow, Clement W.K.; Doi, Suhail A.R.; Schirra, Horst Joachim; ... more authors ( Elsevier , 2016 , Article)
      Background Prostate cancer (PCa) diagnosis requires improvement with the aid of more accurate biomarkers. Postejaculate urethral washings (PEUW) could be a physiological equivalent to urine obtained following rectal prostatic ...

    • Prostate-specific antigen glycoprofiling as diagnostic and prognostic biomarker of prostate cancer 

      Tkac J.; Gajdosova V.; Hroncekova S.; Bertok T.; Hires M.; ... more authors ( Royal Society Publishing , 2019 , Article Review)
      The initial part of this review details the controversy behind the use of a serological level of prostate-specific antigen (PSA) for the diagnostics of prostate cancer (PCa). Novel biomarkers are in demand for PCa diagnostics, ...

    • Protecting environment and assuring efficient energy transfer using ionic liquids 

      Qureshi, M Fahed Aziz; Altamash, Tausif; Khraisheh, Majeda ( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)
      Gas hydrates are ice-like crystalline compounds that are formed when small gas molecules get trapped within the water molecules under high pressure and low-temperature conditions in oil and gas transmission lines. The ...

    • Protecting private cloud located within public cloud 

      Zhang, Hongli; Ye, Lin; Du, Xiaojiang; Guizani, Mohsen ( Institute of Electrical and Electronics Engineers Inc. , 2013 , Conference Paper)
      Many studies use cryptographic technologies to protect sensitive data in public cloud. However, these approaches may introduce large overheads. Recently, hybrid cloud started to gain a lot of attentions. A hybrid cloud ...

    • Protecting Your Shopping Preference with Differential Privacy 

      Lin, Jiaping; Niu, Jianwei; Liu, Xuefeng; Guizani, Mohsen ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)
      Online banks may disclose consumers' shopping preferences due to various attacks. With differential privacy, each consumer can disturb his consumption amount locally before sending it to online banks. However, directly ...

    • "Protecting" or "policing": Academic researchers' view of IRBs in an arab context 

      Makhoul, Jihad; El-Alti, Leila; Qutteina, Yara; Nasrallah, Catherine; Sakr, Carol; ... more authors ( SAGE Publications Inc. , 2014 , Article)
      A recent surge of research universities and human subjects research funding in the Arab world raises concerns about applied research ethics and oversight. In-depth interviews conducted with 52 researchers in Lebanon and ...

    • Protection against Reinfection with the Omicron BA.2.75 Subvariant 

      Chemaitelly, Hiam; Tang, Patrick; Coyle, Peter; Yassine, Hadi M.; Al-Khatib, Hebah A.; ... more authors ( Massachusetts Medical Society , 2023 , Other)
      The BA.2.75 sublineage of the B.1.1.529 (omicron) variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) may escape neutralizing antibodies. The BA.2.75 sublineage (primarily the BA.2.75.2 subvariant) ...

    • Protection against the omicron variant from previous SARS-CoV-2 infection 

      Altarawneh, Heba N.; Chemaitelly, Hiam; Hasan, Mohammad R.; Ayoub, Houssein H.; Qassim, Suelen; ... more authors ( Massachusetts Medical Society , 2022 , Other)
      Natural infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) elicits strong protection against reinfection with the B.1.1.7 (alpha),1,2 B.1.351 (beta),1 and B.1.617.2 (delta)3 variants. However, the ...

    • Protection from previous natural infection compared with mRNA vaccination against SARS-CoV-2 infection and severe COVID-19 in Qatar: a retrospective cohort study 

      Hiam, Chemaitelly; Ayoub, Houssein H; AlMukdad, Sawsan; Coyle, Peter; Tang, Patrick; ... more authors ( Elsevier , 2022 , Article)
      BackgroundUnderstanding protection conferred by natural SARS-CoV-2 infection versus COVID-19 vaccination is important for informing vaccine mandate decisions. We compared protection conferred by natural infection versus ...

    • Protection of Omicron sub-lineage infection against reinfection with another Omicron sub-lineage 

      Chemaitelly, Hiam; Ayoub, Houssein H.; Coyle, Peter; Tang, Patrick; Yassine, Hadi M.; ... more authors ( Nature Research , 2022 , Article)
      There is significant genetic distance between SARS-CoV-2 Omicron (B.1.1.529) variant BA.1 and BA.2 sub-lineages. This study investigates immune protection of infection with one sub-lineage against reinfection with the other ...

    • Protection of Transmission Line in Presence of Parallel Capacitance Elements 

      Abdalla, Abdelrahman S.; Aljabery, Ahmad A.; Mehrjerdi, Hasan ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)
      Recently, Flexible AC Transmission System (FACTS) devices emerged to the electrical transmission line power systems and their importance increased significantly. FACTS are mainly used for enhancing power transferability ...

    • Protective Effect of Cyclically Pressurized Solid⁻Liquid Extraction Polyphenols from Grape Pomace on Oxidative Endothelial Cell Death. 

      Posadino, Anna Maria; Biosa, Grazia; Zayed, Hatem; Abou-Saleh, Haissam; Cossu, Annalisa; ... more authors ( MDPI , 2018 , Article)
      The aim of this work is the evaluation of a green extraction technology to exploit winery waste byproducts. Specifically, a solid⁻liquid extraction technology (Naviglio Extractor) was used to obtain polyphenolic antioxidants ...

    • Protective effect of dietary micronutrients on gastric cancer risk among Jordanians 

      Allehdan, Sabika; Hammad, Shatha S.; Alatrash, Razan M.; Al-Jaberi, Tareq; Hushki, Ahmad; ... more authors ( ARAN Ediciones S.L , 2024 , Article)
      Objective: several dietary and non-dietary factors and genetic predisposition may play an important role in gastric carcinogenesis. The findings about associations between micronutrients and gastric cancer (GC) is still ...