Qatar University Institutional Repository: المرسلات الحديثة
السجلات المعروضة 261 -- 280 من 32269
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Self organization of tilts in relay enhanced networks: A distributed solution
( IEEE , 2014 , Article)Despite years of physical-layer research, the capacity enhancement potential of relays is limited by the additional spectrum required for Base Station (BS)-Relay Station (RS) links. This paper presents a novel distributed ... -
Performance evaluation of IEEE 802.15.6 MAC for Wearable Body Sensor Networks using a Space-Time dependent radio link model
( IEEE , 2014 , Conference)In this paper a realistic performance evaluation of the IEEE 802:15:6 Medium Access Control (MAC) protocol for wireless body sensor networks (WBSNs) is presented. The accuracy of the evaluation rely on the enhanced mobility ... -
Characterizing the dynamics of climate and native desert plants in Qatar
( Elsevier , 2024 , Article)This study aims to measure changes in climatic factors and their relationship to vegetation growth in Qatar to develop a plant-climate characterization for native desert plants. By analyzing Landsat satellite images from ... -
Culture-based and molecular investigation of antibiotic and metal resistance in a semi-arid agricultural soil repeatedly amended with urban sewage sludge
( Elsevier , 2024 , Article)Unsustainable agricultural intensification and climate change effects have caused chronic soil depletion in most arid and semi-arid croplands. As such, the land application of urban sewage sludge (USS) has been regulated ... -
Poultry Manure-Derived Biochar Synthesis, Characterization, and Valorization in Agriculture: Effect of Pyrolysis Temperature and Metal-Salt Modification
( MDPI , 2025 , Article)In the present work, six biochars were produced from the pyrolysis of poultry manure at 400 °C and 600 °C (PM-B-400 and PM-B-600), and their post-modification with, respectively, iron chloride (PM-B-400-Fe and PM-B-600-Fe) ... -
Phosphorus recovery from aqueous solutions by a Mg/Al-modified biochar from date palm wastes in column mode: adsorption characteristics and scale-up design parameters assessment
( Springer Nature , 2024 , Article)In the current work, a Mg/Al-modified biochar from date palm wastes (Mg/Al-DPF-B) was synthesized, characterized, and applied for phosphorus (P) recovery from aqueous solutions in column mode. The P recovery was assessed ... -
N-lactoyl amino acids are potential biomarkers for insulin resistance and diabetic complications
( Wiley , 2025 , Article)Aims: N-lactoyl amino acids (Lac-AA) are emerging as crucial players in metabolic research, with potential implications for disease mechanisms and therapeutic interventions. This study exploress the role of Lac-AA in insulin ... -
نتائج وتوصيات مؤتمر التشريعات التجارية الدولية: الاتجاهات الحديثة والرؤى المستقبلية
( كلية القانون- جامعة قطر , 2024 , Conference)نظمت كلية القانون بجامعة قطر مؤتمرًا علميًا محكما بعنوان «التشريعات التجارية الدولية: الاتجاهات الحديثة والرؤى المستقبلية، بالتعاون مع وزارة التجارة والصناعة بدولة قطر ولجنة الأمم المتحدة للقانون التجاري الدولي (UNCITRAL) ... -
N-Lactoyl Amino Acids: Emerging Biomarkers in Metabolism and Disease
( Wiley , 2025 , Article)N-lactoyl amino acids (Lac-AA) form an emerging class of metabolites that have gained significant attention in recent years due to their ubiquitous presence in different biological systems and potential roles in various ... -
Multi-class subarachnoid hemorrhage severity prediction: addressing challenges in predicting rare outcomes
( Springer Nature Link , 2025 , Article)Accurately predicting the severity of subarachnoid hemorrhage (SAH) is critical for informing clinical decisions and improving patient outcomes. This study addresses the challenges of imbalanced data in SAH severity ... -
Pakistan’s first medicine price deregulation policy: assessing its impact on prices, affordability, and availability of oral anti-diabetic medicines in private pharmacies
( Frontiers , 2025 , Article)Introduction: Pakistan’s highest diabetes prevalence necessitates equitable access to anti-diabetic medicines. This study evaluated the access to Oral antidiabetics (OADs) and the effect of Pakistan’s recently launched ... -
Perceptions and practices of community pharmacists towards the use of short-acting beta-2 agonists inhalers in Malaysia: A cross-sectional survey
( Public Library of Science (PLOS) , 2025 , Article)Background There has been a relative lack of exploration into the perceptions and practices regarding the use of SABA inhalers among healthcare professionals in Malaysia. The study aimed to determine community pharmacists’ ... -
Walking around the preferred speed: examination of metabolic, perceptual, spatiotemporal and stability parameters
( Frontiers , 2024 , Article)Walking is the most accessible and common type of physical activity. Exercising at one’s self-selected intensity could provide long-term benefits as compared to following prescribed intensities. The aim of this study was ... -
Parkinson's Disease Database in the Middle East, North Africa, and South Asia Countries
( Frontiers , 2025 , Article)Objectives: This study aims to establish a multicenter database to evaluate Parkinson’s disease in the MENASA region in the context of expert care. Methods: The CGD-PD consortium includes 20 institutes from 9 MENASA ... -
Optimizing In Vitro Skin Permeation Studies to Obtain Meaningful Data in Topical and Transdermal Drug Delivery
( Springer , 2025 , Article)Drug delivery through the skin provides several advantages over other administration routes, including the avoidance of first-pass metabolism and gastrointestinal side effects, prolonged drug release, and significant ... -
University Students’ Experiences of Received Instruction and Their Learning Approaches: Insights from the Arabic Shortened SETLQ
( Dibon Publishing House , 2025 , Article)This study examined undergraduate students’ experiences of teaching and learning at Qatar University using an Arabic version of the Shortened Experiences of Teaching and Learning Questionnaire (SETLQ). A total of 410 ... -
Objective assessment of penile curvature in hypospadias: A narrative review
( Elsevier , 2025 , Article)BackgroundHypospadias-associated ventral curvature (VC) exerts a critical influence on surgical decision-making and repair outcomes. Despite the clinical significance of VC, assessment is frequently performed by unaided ... -
Patients in hospital with confirmed bacterial airway infection are significantly more likely to have a respiratory virus co-infection
( Microbiology Society , 2025 , Article)Introduction. Respiratory viruses are seen as cofactors in bacterial airway infection, often leading to bacterial pneumonia. This study addressed their role in hospitalized patients with bacterial infection confirmed by ... -
Mpox in the Gulf Cooperation Council Countries: Addressing a new challenge to regional health security
( Sultan Qaboos University , 2025 , Other)Mpox (previously known as Monkeypox) is a zoonotic infectious disease caused by the monkeypox virus (MPXV), originally detected in 1970 in rural settlements inside the rainforest regions of Central and West Africa, when ... -
Organ-specific safety profile of bioinspired short antimicrobial peptides in zebrafish embryos
( Frontiers , 2025 , Article)Objective: Antimicrobial peptides (AMPs) are key components of the innate immune system, exhibiting broad-spectrum antibacterial and immunomodulatory activities. Building on these properties, we designed bio-inspired short ...
