Browsing Qatar University Institutional Repository by Title
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3D point cloud enhancement using unsupervised anomaly detection
( Institute of Electrical and Electronics Engineers Inc. (IEEE) , 2019 , Conference Paper)3D point cloud is increasingly getting attention for perceiving 3D environment which is needed in many emerging applications. This data structure is challenging due to its characteristics and the limitation of the acquisition ... -
3D printed nanocomposites for tailored cardiovascular tissue constructs: A minireview
( Elsevier B.V. , 2021 , Article)Cardiovascular diseases (CVD) with escalating death rates pose one of the greatest threats to global health and well-being. Thus, developing effective interventions to combat CVD are of critical importance. 3D printing ... -
3D Quantum Cuts for automatic segmentation of porous media in tomography images
( Elsevier Ltd , 2022 , Article)Binary segmentation of volumetric images of porous media is a crucial step towards gaining a deeper understanding of the factors governing biogeochemical processes at minute scales. Contemporary work primarily revolves ... -
3D simulation models for developing digital twins of heritage structures: Challenges and strategies
( Elsevier , 2021 , Conference Paper)Structural vulnerability assessment of heritage structures is a pivotal part of a risk mitigation strategy for preserving these valuable assets for the nations. For this purpose, developing digital twins has gained much ... -
3D synchrotron computed tomography study on the influence of fines on gas driven fractures in Sandy Sediments
( Elsevier , 2020 , Article)Production of methane from hydrate-bearing sediments requires hydrate dissociation for releasing mobile methane gas in sediments prior to gas production operations. Fines may migrate through or clog the pore space of ... -
3D Uplink Channel Modeling of UAV-Based mmWave Fronthaul Links for Future Small Cell Networks
( IEEE , 2023 , Article)In this study, we consider an unmanned aerial vehicle (UAV)-assisted heterogeneous network that is offered as a cost effective and easy to deploy solution to solve the problem related to transferring traffic of distributed ... -
3D-Printed Clay Enhanced with Graphene Nanoplatelets for Sustainable and Green Construction
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)This paper presents a study on the effects of graphene nanoplatelets (GNPs) on the mechanical behavior of 3D-printed burnt clay, the most sustainable and green construction material, under constant printing parameters. ... -
4-port MIMO antenna with defected ground structure for 5G millimeter wave applications
( MDPI AG , 2020 , Article)We present a 4-port Multiple-Input-Multiple-Output (MIMO) antenna array operating in the mm-wave band for 5G applications. An identical two-element array excited by the feed network based on a T-junction power combiner/divider ... -
The 4Rs supply chain resilience framework: A capability perspective
( John Wiley & Sons , 2022 , Article)During the coronavirus disease 2019 (COVID-19) pandemic, the demand and supply for many products fluctuated. Thus, many companies around the globe have repurposed their operations and reconfigured their supply chains (SCs) ... -
5-, 12- and 15-Hydroxyeicosatetraenoic acids induce cellular hypertrophy in the human ventricular cardiomyocyte, RL-14 cell line, through MAPK- and NF-κB-dependent mechanism
( Springer Verlag , 2016 , Article)Recent studies have established the role of mid-chain hydroxyeicosatetraenoic acids (HETEs) in the development of cardiovascular disease. Mid-chain HETEs have been reported to have vasoconstrictive and pro-inflammatory ... -
5-Aminolevulinic acid mitigates the chromium-induced changes in Helianthus annuus L. as revealed by plant defense system enhancement
( Elsevier , 2023 , Article)Chromium (Cr) in the soil is one of the major pollutants for agricultural production. This study examined the efficiency of sunflower plants to remediate Cr-contaminated soils using a plant growth regulator, 5-aminolevolinic ... -
50 -m Freestyle Sprint Performance in Adolescent Swimmers
( Frontiers Media S.A. , 2018 , Article)Objectives: The purpose of the study was to investigate performance, biomechanical, physiological, and psychophysiological effects of a simple and easily organized post-activation potentiation (PAP) re-warm-up performed ... -
A 51 ka sedimentary sequence in a seamount basin, Eastern Arabian Sea: Records for paleoceanographic and paleoclimate conditions
( Elsevier , 2022 , Article)A 5.4 m thick sediment core at ∼ 517 m water depth from a seamount basin off the Goa coast in the Eastern Arabian Sea (EAS) is examined for the mineral magnetic, carbonate and organic carbon variability. The 51 ka BP dated ... -
5G Networks Towards Smart and Sustainable Cities: A Review of Recent Developments, Applications and Future Perspectives
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)5G wireless communication systems provide massive system capacity with high data rates, very short low-latency, and ultra-high reliability, in addition to high connection density with a positive experience on smart cities ... -
5G vehicular network resource management for improving radio access through machine learning
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)The current cellular technology and vehicular networks cannot satisfy the mighty strides of vehicular network demands. Resource management has become a complex and challenging objective to gain expected outcomes in a ... -
5G wireless backhaul networks: Challenges and research advances
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Article)5G networks are expected to achieve gigabit-level throughput in future cellular networks. However, it is a great challenge to treat 5G wireless backhaul traffic in an effective way. In this article, we analyze the wireless ... -
6-Formylindolo(3,2-b)carbazole Dampens Inflammation and Reduces Endotoxin-Induced Kidney Injury via Nrf2 Activation
( American Chemical Society (ACS) , 2023 , Article)Patients with sepsis are at a high risk of morbidity and mortality due to multiple organ injuries caused by pathological inflammation. Although sepsis is accompanied by multiple organ injuries, acute renal injury is a ... -
60 Years of the Loeb-Sourirajan Membrane: Principles, New Materials, Modelling, Characterization, and Applications
( Elsevier , 2022 , Book)60 Years of the Loeb-Sourirajan Membrane: Principles, New Materials, Modelling, Characterization and Applications bring forth theoretical advances, novel characterization techniques, materials development, advanced treatment ... -
68 Ga-PSMA PET/CT tumour intensity pre-operatively predicts adverse pathological outcomes and progression-free survival in localised prostate cancer
( Springer , 2020 , Article)© 2020, Springer-Verlag GmbH Germany, part of Springer Nature. Purpose: Prostate-specific membrane antigen (PSMA) positron emission tomography (PSMA-PET) improves prostate cancer staging. Intraprostatic PSMA intensity may ... -
A 6th-order local approximation by a cubic curve
( Qatar University , 1997 , Article)We derive and present a MAPLE program for the construction of a parametric cubic polynomial curve which has sixth-order contract with a given smooth curve at a given point, thus providing a local sixth-order approximation ...