Qatar University Institutional Repository: Recent submissions

Now showing items 581-600 of 32269

    • التكييف الفقهي لبطاقات الاتصال مسبقة الدّفع: بطاقات هلا من شركة أريدو (Ooredoo) أنموذجًا 

      موسى, منى فاروق محمد أحمد; الزنكي, صالح قادر; Moussa, Mona Farouk Mohamed Ahmed; Alzanki, Salih Qadir ( بيت المشورة للاستشارات المالية , 2025 , Article)
      تقدّم هذه الدراسة تحليلاً لبنية عقود بطاقات الاتصال "هلا" مسبقة الدّفع التي تقدمها شركة "أريد" (Ooredoo)؛ للتعرّف على شروط وأنواع الخدمات المندرجة تحت هذا النوع من البطاقات، وللتوصل إلى بيان التكييف الفقهي للعقد الناظم ...

    • Assessing LLM-generated vs. expert-created clinical anatomy MCQs: a student perception-based comparative study in medical education 

      Elzayyat, Maram; Mohammad, Janatul Naeim; Zaqout, Sami ( Taylor and Francis Group , 2025 , Article)
      Large language models (LLMs) such as ChatGPT and Gemini are increasingly used to generate educational content in medical education, including multiple-choice questions (MCQs), but their effectiveness compared to expert-written ...

    • In vitro and in silico analysis of anticancer activity of terpenoids of Dittrichia viscosa (L.) Greuter essential oil 

      Seglab, Fatiha; Abou Assali, Mazen; Suleman, Muhammad; Crovella, Sergio; Boulebd, Houssem; ... more authors ( Society for Medicinal Plant and Natural Product Research (GA) - the Italian Society of Phytochemistry (SIF) , 2025 , Poster)
      There is a continuous global search for new anticancer agents from natural sources. In this study, the essential oils of Dittrichia viscosa (L.) Greuter leaves (DVEO) were extracted by hydrodistillation and chemically ...

    • Antiproliferative activity of sesquiterpene lactones from Dittrichia viscosa (L.) Greuter: In vitro and in silico studies 

      Salvatore, Maria Michela; Shaito, Abdullah; Karousa, Mai M. Morsi; Kalath, Haritha; Suleman, Muhammad; ... more authors ( Society for Medicinal Plant and Natural Product Research (GA) - the Italian Society of Phytochemistry (SIF) , 2025 , Poster)
      Plant-derived metabolites have provided promising leads in the search for safer anticancer chemo-therapies. Among these, sesquiterpene lactones, predominantly present in the genus of the Aster-aceae family, exhibit great ...

    • Optimization of ultrasonic-assisted extraction (UAE) of phenolic and antioxidant compounds from Ephedra foeminea Forssk. using response surface methodology (RSM) 

      Elhag, Husam Eldin Elhag Abugabr; Karousa, Mai M. Morsy; Al-Zein, Mohammad S.; Elazazi, Elsayed; Shaito, Abdullah A. ( Society for Medicinal Plant and Natural Product Research (GA) - the Italian Society of Phytochemistry (SIF) , 2025 , Poster)
      Ephedra foeminea Forssk., a Mediterranean shrub with diverse traditional medicinal applications, is rich in bioactive metabolites [1,2]. This study optimized the ultrasonic-assisted extraction (UAE) of phenolic and ...

    • On Qatar’s Pragmatic Foreign Policy: The Palestinian Case 

      Eddin, Lubna Naser; Rahma, Eltigani Abdelgadir ( Springer Nature , 2021 , Book chapter)
      The Palestinian cause continues to represent a major concern for Arabs and Muslims around the world and is considered one of the main reasons for instability in the Middle East. Traditionally, large Arab States, such as ...

    • Global burden of vision impairment due to age-related macular degeneration, 1990–2021, with forecasts to 2050: a systematic analysis for the Global Burden of Disease Study 2021 

      Yi Deun, Jeong; Park, Seoyoung; Kim, Min Seo; Hong, Sung Hwi; Aalruz, Hasan; ... more authors ( Elsevier , 2025 , Article)
      BackgroundAge-related macular degeneration (AMD) is a growing public health concern worldwide, as one of the leading causes of vision impairment. We aimed to estimate global, national, and region-specific prevalence and ...

    • Glial reactivity and cognitive decline follow chronic heterochromatin loss in neurons 

      Newman, A. G.; Sharif, J.; Bessa, P.; Zaqout, S.; Brown, J. P.; ... more authors ( Springer Nature , 2025 , Article)
      In aging cells and animal models of premature aging, heterochromatin loss coincides with transcriptional disruption including the activation of normally silenced endogenous retroviruses (ERVs). Here we show that loss of ...

    • Silicone quaterium-22 surfactant as an eco-friendly carbon steel anticorrosive: Assessment of corrosion inhibition properties and ecotoxicity in zebrafish embryos 

      Shaito, Abdullah A.; Younes, Nadin; Daas, Sahar I.; Dosari, Al-Dana; Nasrallah, Dana; ... more authors ( Elsevier , 2025 , Article)
      Corrosion of carbon steel pipelines in the oil and gas industry presents operational and environmental challenges, requiring safer alternatives to toxic corrosion inhibitors. This study evaluates Silicon-Q-22 (SQ22) as a ...

    • Prevalence, patterns, drivers, and perceived benefits of herbal medicine use in COVID-19 patients in Qatar 

      Alsheikh, Raneem; Alsharif, Fatima R.; Alwisi, Nouran; Nazar, Zachariah; Syed, Mohamed Ahmed; ... more authors ( Taylor and Francis Group , 2025 , Article)
      Background: Coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), emerged as a global health crisis in early 2020, leading to widespread morbidity and mortality. ...

    • الفتنة في أوروبا: شهادات الأوروبيين 

      الكعبي, لطيفة منادي ( المركز الأوروبي للبحوث والاستشارات , 2025 , Conference)
      نشأت فكرة هذا الملخص من تكرار شكاوى اليهود وادعائهم المستمر بالمظلومية، زاعمين أنهم شعب مضطهد من قبل دول العالم، وخاصة المسلمين. هم دائمًا يصورون أنفسهم على أنهم محاربون بسبب دينهم، ويسعون لتحريف أسباب أي حرب تنشب لجعلها ...

    • Perceptions, Practices, and Prevalence of Nursing Peer Review Among Nurse Managers in Qatar: A Cross-Sectional Study 

      Amro, Fadi; Rayan, Ahmad; Alhalaiqa, Fadwa; Aldalaykeh, Mohammed; Aldirawi, Ali; ... more authors ( Wiley , 2025 , Article)
      Background: Nursing peer review (NPR) is a critical process for improving nursing practices through timely feedback, fostering accountability, and enhancing care quality. Effective integration of NPR strategies in healthcare ...

    • The Plot Thickens Literacy Through Computational Thinking. 

      Alkhateeb, Bataul; Abushihab, Eiman ( University of Wyoming , 2025 , Article)
      In this lesson, students analyzed word frequency, character interactions, and recurring themes in Frankenstein to predict how the novel unfolds before reading the next chapter. Students mapped a decision tree for Victor ...

    • Comparison of sternocleidomastoid and trapezius muscle stretches in the management of symptomatic non specific cervical pain 

      R, Janagiraman; Subramanian, Shenbaga Sundaram; M, Srivatsan; Vishnuram, Surya; Alfawaz, Saad Suleman; ... more authors ( Federación Española de Docentes de Educación Física , 2025 , Article)
      Introduction: Non-specific cervical pain is a frequent musculoskeletal condition that impairs quality of life and daily activities, and may be caused by Poor posture, muscle strain, stress, prolonged sitting, repetitive ...

    • The Sudanese Revolution and the Horizons of Democratization 

      Hamid, Eltigani Abdelgadir ( The Arab Center for Research and Policy Studies - the Doha Institute for Graduate Studies , 2022 , Article)
      ​This study poses several questions: Did the fall of the Salvation regime in Sudan result from an initiative from within the regime, an opposition coalition, or both? How influential was the external factor in the overthrow ...

    • Resource mobilization and technology adoption by small firms to co-create opportunities in uncertain environments 

      Karami, Masoud; Hossain, Mokter; Ojala, Arto; Mehrara, Nikan ( Emerald Publishing Limited , 2024 , Article)
      Purpose: Resource mobilization and technology adoption by small firms are mainly studied separately, although considering them together is crucial for understanding how resources are accessed and mobilized to address ...

    • Global, regional, and national prevalence of kidney failure with replacement therapy and associated aetiologies, 1990–2023: a systematic analysis for the Global Burden of Disease Study 2023 

      Rafferty, Quinn; Stafford, Lauryn K; Vos, Theo; Thomé, Fernando Saldanha; Aalruz, Hasan; ... more authors ( Elsevier , 2025 , Article)
      Background: Kidney failure with replacement therapy (KFRT) such as dialysis or transplantation represents a severe stage of chronic kidney disease (CKD) and poses a major global health burden. Although many CKD cases are ...

    • التفسير المقارن للفظ ﴿‌ٱلۡفُرۡقَانَۗ﴾ في قوله تعالى: وَأَنزَلَ ‌ٱلۡفُرۡقَانَۗ 

      Abdelaziz, Aya Fekry; Abde-laati, Mohamed Abdelaatif ( Faculty of Quranic and Sunnah Studies, Universiti Sains Islam Malaysia , 2024 , Article)
      يعنى هذا البحث بالكشف عن مدلول لفظ الفُرْقَان ، الوارد في الآية الرابعة من سورة آل عمران، والسؤال المركزي الذي تسعى الدراسة للإجابة عنه هو : ما مدلول اللفظ القرآني الْفُرْقَان في قوله تعالى: ﴿وَأَنزَلَ الْفُرْقَانَ [آل ...

    • Does environmental finance matter for sustainability? The role of financial innovation and Fintech 

      Zaid, Mohammed Abdulrahman Kaid; Khan, Mohammed Farooque; Ahmed, Alsadig; Gelaidan, Hamid Mahmood; Saleh Al Koliby, Ibraheem ( Springer Nature , 2024 , Article)
      This study examines the role of environmental finance (ENF) in enhancing sustainability performance (SP) within the banking sector, emphasizing financial innovation (FINV) and financial technology (FinTech). It specifically ...

    • Green entrepreneurial intentions in Saudi youth: cultural insights and implications 

      Mabkhot, Hashed; Semlali, Yahdih; Gelaidan, Hamid Mahmood; Abdelwahed, Nadia A.Abdelmegeed; Shaari, Hasnizam ( Frontiers Media , 2024 , Article)
      This study investigates green entrepreneurial intentions (GEI) and behaviors among Saudi Arabian youth, examining the influence of contextual factors such as entrepreneurial education, university environmental support, and ...