Faculty Contributions: Recent submissions

Now showing items 381-400 of 17983

    • Inherently boosted switched inductor hybrid converter with AC and DC outputs for DC nanogrid applications 

      Samiullah, Md; Al-Hitmi, Mohammed A.; Iqbal, Atif; Ashraf, Imtiaz ( Elsevier , 2023 , Article)
      This paper presents a novel hybrid converter which is capable of carrying AC and DC loads simultaneously at different ports. The converter is designed by using a full bridge inverter at the nodes between the active switched ...

    • Assessment of Nodal Inertia Estimation Methods for Future Power Systems: A Comparative Study 

      AlTawallbeh, Alaa and Alassi, Abdulrahman and Meskin, Nader and Al-Hitmi, Mohammed and Massoud, Ahmed ( Institute of Electrical and Electronics Engineers Inc. , 2024 , Conference Paper)
      High penetration of unconventional generators such as renewable energy sources (RES) in the generation system requires special attention during disturbances to maintain grid stability and limit possible frequency deviations. ...

    • Middle East energy consumption and potential renewable sources: An overview 

      Hassan, Qusay; Al-Hitmi, Mohammed; Tabar, Vahid Sohrabi; Sameen, Aws Zuhair; Salman, Hayder M.; ... more authors ( Elsevier , 2023 , Article)
      Despite having enormous fossil fuel resources, the Middle East is susceptible to drops in oil and gas prices, which hurts the country budget. Even while the Middle Eastern countries that import energy enjoy cheaper energy ...

    • An ultra-high voltage gain interleaved converter based on three-winding coupled inductor with reduced input current ripple for renewable energy applications 

      Hashemzadeh, Seyed Majid; Al-Hitmi, Mohammed A.; Aghaei, Hadi; Marzang, Vafa; Iqbal, Atif; ... more authors ( John Wiley and Sons Inc , 2024 , Article)
      This article proposes an interleaved high step-up DC-DC converter topology designed for renewable energy applications, featuring an ultra-high voltage conversion ratio. The converter employs an interleaved structure, ...

    • Collective self-consumption of solar photovoltaic and batteries for a micro-grid energy system 

      Hassan, Qusay; Abbas, Majid K.; Tabar, Vahid Sohrabi; Tohidi, Sajjad; Al-Hitmi, Mohammed; ... more authors ( Elsevier , 2023 , Article)
      The paper carried out a techno-economic analysis in order to obtain the optimum battery storage capacity in conjunction with a photovoltaic array that can match the desired household load at highest possible self-consumption. ...

    • Energy futures and green hydrogen production: Is Saudi Arabia trend? 

      Hassan, Qusay; Sameen, Aws Zuhair; Salman, Hayder M.; Jaszczur, Marek; Al-Hitmi, Mohammed; ... more authors ( Elsevier , 2023 , Article)
      This paper explores the potential for hydrogen energy to become a future trend in Saudi Arabia energy industry. With the emergence of hydrogen as a promising clean energy source, there has been growing interest and investment ...

    • Global, regional, and national burden of diabetes from 1990 to 2021, with projections of prevalence to 2050: a systematic analysis for the Global Burden of Disease Study 2021 

      Kanyin Liane, Ong; Stafford, Lauryn K; McLaughlin, Susan A; Boyko, Edward J; Vollset, Stein Emil; ... more authors ( Elsevier , 2023 , Article)
      BackgroundDiabetes is one of the leading causes of death and disability worldwide, and affects people regardless of country, age group, or sex. Using the most recent evidentiary and analytical framework from the Global ...

    • UAE Women’s Knowledge and Attitudes towards Physical Activity during Pregnancy 

      AlBlooshi, Sharifa; Hijazi, Rafiq; Kennedy, Lynne; Al Rajabi, Ala ( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)
      The benefits of being physically active during pregnancy are widely acknowledged. It is important for the prevention of chronic diseases and the promotion of good health for mothers and children. However, physical activity ...

    • Ventilator-associated pneumonia diagnosis: electrochemical sensors for rapid and sensitive detection of pyocyanin 

      Noorizadeh, Mohammad; Al-Hasan, Tamim M.; Sha, Mizaj S.; Bensaali, Faycal; Meskin, Nader; ... more authors ( Springer Nature , 2024 , Article)
      Ventilator-associated pneumonia (VAP) is a severe condition in critically ill patients that requires timely diagnosis to improve patient outcomes. In this study, we developed an electrochemical sensor for pyocyanin detection ...

    • Effect of bioceramic powder abrasion on different implant surfaces 

      Abuhajar, Eman; Salim, Nesreen A.; Satterthwaite, Julian D.; Silikas, Nick; Anweigi, Lamyia M. ( John Wiley & Sons , 2024 , Article)
      Purpose: Bioceramic coatings have been shown to promote bone repair, which aids in the early integration of implants. This study aimed to evaluate the influence of air abrasion with a bioceramic abrasive on the surface ...

    • Effect of dietary selenium intake on CVD: A retrospective cohort study based on China Health and Nutrition Survey (CHNS) data 

      Wen, Yaqi; Zhang, Laixi; Li, Shengping; Wang, Tiankun; Jiang, Ke; ... more authors ( Cambridge University Press , 2024 , Article)
      Objective: We aimed to examine the association between dietary Se intake and CVD risk in Chinese adults. Design: This prospective cohort study included adults above 20 years old in the China Health and Nutrition Survey ...

    • Early predictors of intensive care unit admission among COVID-19 patients in Qatar 

      Abuyousef, Safae; Alnaimi, Shaikha; Omar, Nabil E.; Elajez, Reem; Elmekaty, Eman; ... more authors ( Frontiers Media SA , 2024 , Article)
      Background: COVID-19 is associated with significant morbidity and mortality. This study aimed to explore the early predictors of intensive care unit (ICU) admission among patients with COVID-19. Methods: This was a ...

    • ChatGPT’s scorecard after the performance in a series of tests conducted at the multi-country level: A pattern of responses of generative artificial intelligence or large language models 

      Manojit, Bhattacharya; Pal, Soumen; Chatterjee, Srijan; Alshammari, Abdulrahman; Albekairi, Thamer H.; ... more authors ( Elsevier , 2024 , Article)
      Recently, researchers have shown concern about the ChatGPT-derived answers. Here, we conducted a series of tests using ChatGPT by individual researcher at multi-country level to understand the pattern of its answer accuracy, ...

    • Correlations between Resting Electrocardiogram Findings and Disease Profiles: Insights from the Qatar Biobank Cohort 

      Qafoud, Fatima; Kunji, Khalid; Elshrif, Mohamed; Althani, Asma; Salam, Amar; ... more authors ( Multidisciplinary Digital Publishing Institute (MDPI) , 2024 , Article)
      Background: Resting electrocardiogram (ECG) is a valuable non-invasive diagnostic tool used in clinical medicine to assess the electrical activity of the heart while the patient is resting. Abnormalities in ECG may be ...

    • Thousands of Qatari genomes inform human migration history and improve imputation of Arab haplotypes 

      Razali, Rozaimi Mohamad; Rodriguez-Flores, Juan; Ghorbani, Mohammadmersad; Naeem, Haroon; Aamer, Waleed; ... more authors ( Nature Research , 2021 , Article)
      Arab populations are largely understudied, notably their genetic structure and history. Here we present an in-depth analysis of 6,218 whole genomes from Qatar, revealing extensive diversity as well as genetic ancestries ...

    • Diving into the vertical dimension of elasmobranch movement ecology 

      Andrzejaczek, Samantha; Lucas, Tim C.D.; Goodman, Maurice C.; Hussey, Nigel E.; Armstrong, Amelia J.; ... more authors ( American Association for the Advancement of Science , 2022 , Article)
      Knowledge of the three-dimensional movement patterns of elasmobranchs is vital to understand their ecological roles and exposure to anthropogenic pressures. To date, comparative studies among species at global scales have ...

    • Comprehensive molecular and clinical insights into non-small cell lung cancer transformation to small cell lung cancer with an illustrative case report 

      Tomic, Kresimir; Krpina, Kristina; Baticic, Lara; Samarzija, Miroslav; Vranic, Semir ( Taylor & Francis , 2024 , Article)
      Histologic transformation to small cell lung cancer (tSCLC) is a rare but increasingly recognised mechanism of acquired resistance to tyrosine kinase inhibitors (TKI) in patients with epidermal growth factor receptor ...

    • Corrigendum to: ‘Dental implant placement with immersive technologies: A preliminary clinical report of augmented and mixed reality applications’ [The Journal of Prosthetic Dentistry (2024)] 

      Marcus, Engelschalk; Al Hamad, Khaled Q.; Mangano, Roberto; Smeets, Ralf; Molnar, Tamás F. ( Elsevier , 2024 , Other)
      The authors regret missing the acknowledgment to Marco Farronato for providing software support for the MR workflow, including access to the beta software program (Arreye s.r.l). The authors would like to apologize for ...

    • Perspectives of healthcare workers on integrated management of childhood illness in Pakistan: A phenomenological approach 

      Abrar, Saidul; Hafeez, Asad; Khan, Muhammad Naseem; Marwat, Muhammad Imran ( SAGE , 2024 , Article)
      In 2019, an estimated 5.2 million deaths were reported among children less than 5 years of age. At primary healthcare level, healthcare workers (HCWs) mostly rely on history and clinical findings and less on inadequate ...

    • UAV Trajectory Optimization for Directional THz Links Using Deep Reinforcement Learning 

      Dabiri, Mohammad Taghi; Hasna, Mazen ( IEEE , 2023 , Conference Paper)
      As an alternative solution for quick disaster recovery of backhaul/fronthaul links, in this paper, a dynamic unmanned aerial vehicles (UAV)-assisted heterogeneous (HetNet) network equipped with directional terahertz (THz) ...