Qatar University Institutional Repository: المرسلات الحديثة
السجلات المعروضة 21 -- 40 من 32229
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Impact of treatment modalities on stress distribution in maxillary incisors with varying levels of external cervical resorption: a finite element analysis
( Springer Nature , 2025 , Article)Background: The aim of this study was to evaluate the impact of various treatment modalities on the mechanical behaviour of a simulated maxillary central incisor with external cervical resorption (ECR) at different progression ... -
Lung Adenocarcinoma With Extensive Vascular Invasion and Retinal Metastasis: A Case Report
( John Wiley and Sons Inc , 2025 , Article)A 34-year-old Ghanaian male with no past medical history presented to our hospital with dyspnoea, left-sided chest pain, and left-eye visual disturbance. Imaging revealed a large mediastinal mass with vascular invasion, ... -
Federalism and Family Law in the United Arab Emirates: Untangling Conflict of Laws and Conflicts of Jurisdiction
( Brill , 2025 , Article)This article investigates jurisdictional and legal conflicts within the United Arab Emirates’ (UAE) federal family law system. As a federation of seven emirates, the UAE features overlapping jurisdictions and a pluralistic ... -
Stitching the Future: Comparing Multiple Suturing Models for Training Predoctoral Dental Students.
( Wiley , 2025 , Article)The aim of this study was to evaluate the experiences of predoctoral dental students in practicing suturing skills across multiple models and to determine which model is most suitable for providing appropriate learning to ... -
Finite Element Analysis of Self Expanding Transcatheter Aortic Valves reveals Increased Stent contact Pressure is Associated with Higher Conduction Abnormality Risk
( The Royal Society , 2025 , Conference)For transcatheter aortic valve implantation (TAVI), selecting optimal valve size and implantation depth within aortic root is crucial for preventing complications, such as conduction problems and paravalvular leak. ... -
Studying Cardiovascular Mechanobiology in Development and Disease with Zebrafish
( The Royal Society , 2025 , Conference)Zebrafish is a practical vertebrate model to investigate human cardiovascular disorders due to several advantages such as close genetic resemblance, cardiac physiological similarities, low maintenance costs, high throughput ... -
Motivation and attitudes toward learning Arabic as a second language: A Study of Arab-American and Arab-expatriate middle school students in the U.S. and Qatar
( Dibon Publishing House , 2025 , Article)Motivation and attitudes toward learning a second language have become key concepts in the field of second language learning. These constructs are widely regarded as essential factors that positively influence and enhance ... -
Chemistry and Electrochemistry | Lithium
( Elsevier , 2025 , Book chapter)Lithium is a chemical element that heads the alkali group of metals with the chemical symbol Li and an atomic number of 3. It is a soft, lustrous, white-silverish metal that has the lowest density of all metals or solids. ... -
Functionalized nanoclay-based polymeric nanocomposites
( Elsevier , 2024 , Book chapter)Significant academic and industrial research has been dedicated in the last few years to employing modified nanoclay as reinforcement for the polymeric matrix. The modification of nanoclays is crucial for the proper ... -
Fluorescent material-integrated polymeric anti-corrosion coating: A comprehensive review
( Elsevier , 2025 , Article Review)Corrosion significantly impacts metallic structures, causing severe safety hazards and financial setbacks. Catastrophic failures caused by undetected corrosion, such as the 2013 oil pipeline explosion in Qingdao, China, ... -
Enhanced steel surface protection using TiO2/MS30 modified polyurethane coatings: Synthesis and performance evaluation
( Elsevier , 2025 , Article)This work focuses on the development and evaluation of corrosion-resistant behavior of polyurethane (PU)-based coatings modified with TiO2 and a novel green corrosion inhibitor, 1,1′-(1,4-phenylene)bis(3-(pyridin-2-ylmethyl)urea) ... -
The relationship between transformational leadership, work motivation, and engagement among nurses in Jordanian governmental hospitals
( Springer Nature , 2025 , Article)Introduction: The healthcare sector faces persistent challenges related to workforce management, including maintaining high levels of motivation and engagement among nurses. Transformational leadership is one of the primary ... -
Vaccination as a strategy for Chlamydia trachomatis control: a global mathematical modeling analysis
( Springer Nature , 2025 , Article)Background: Chlamydia trachomatis (CT) is among the most common sexually transmitted infections and is associated with substantial health and economic burdens. Vaccination may offer a promising strategy for its global ... -
Tissue microarray and liquid biopsy approaches identify EphB3, cMet, and miR-3168 as biomarkers of colorectal cancer
( Taylor and Francis , 2025 , Article)Colorectal cancer (CRC) remains a significant global health concern, and reliable biomarkers are needed to improve early diagnosis, prognostication, and personalized treatment strategies. This study investigated the ... -
Synergistic effect of NASICON Na3V2(PO4)2F3 and 2D MXene for high-performance symmetric Sodium-ion batteries
( Elsevier , 2025 , Article)Sodium fluorophosphate-based Na3V2(PO4)2F3 (NVPF) cathode materials have been widely analyzed in Sodium-ion batteries (SIB) owing to their high energy density and high working voltage. However, the low electronic conductivity ... -
Corrosion inhibition performance of developed epoxy coatings containing carbon nanocapsules loaded with diethylenetriamine
( Elsevier , 2023 , Article)In recent years, hollow structured nanomaterials owe high attention to research, especially when applied to organic coatings due to their high surface area, loading capacity, and flexible shape and structure. Towards this ... -
Effect of Emergency Department Boarding on ICU Length of Stay and In-Hospital Mortality; A Retrospective Cohort Study.
( Shahid Beheshti University of Medical Sciences , 2025 , Article)One of the main contributing factors of emergency department (ED) crowding is ED patient boarding. This study aimed to assess the factors influencing length of stay (LOS) in intensive care unit (ICU) and in-hospital mortality ... -
Bond strength enhancement for additively manufactured zirconia: Micro-retentive design approach
( John Wiley and Sons Inc , 2025 , Article)Purpose: To investigate the effect of digitally designed micro-retention features on the bond strength of additively manufactured (AM) zirconia copings. Materials and Methods: Sixty titanium base abutments (NobelParallel, ... -
Sustainable Solution for Plastic Pollution: Upcycling Waste Polypropylene Masks for Effective Oil-Spill Management
( MDPI , 2023 , Article)The use of Polypropylene PP in disposable items such as face masks, gloves, and personal protective equipment has increased exponentially during and after the COVID-19 pandemic, contributing significantly to microplastics ... -
Improving self-healing characteristics of polyurethane composite coatings by surface modification of polyaniline using dodecylamine
( Elsevier , 2025 , Article)Corrosion is one of the most critical problems affecting the structural integrity of metals. Polymeric nanocomposite coatings reinforced with anti-corrosive pigments are currently being used to mitigate corrosion. This ...
