Browsing Qatar University Institutional Repository by Title
Now showing items 50-69 of 27413
-
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 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 ... -
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 ... -
7-O-methylpunctatin, a novel homoisoflavonoid, inhibits phenotypic switch of human arteriolar smooth muscle cells
( MDPI AG , 2019 , Article)Remodeling of arterioles is a pivotal event in the manifestation of many inflammation-based cardio-vasculopathologies, such as hypertension. During these remodeling events, vascular smooth muscle cells (VSMCs) switch from ... -
7L-SCBI topology with minimal semiconductor device count
( Institution of Engineering and Technology , 2020 , Article)In this work, a seven-level switched capacitor boost inverter (7L-SCBI) is proposed with minimal resource count. The proposed inverter requires only eight switches and two capacitors to generate a seven-level voltage. The ... -
8-hydroxyquinoline grafted triazole derivatives as corrosion inhibitors for carbon steel in H2SO4 solution: Electrochemical and theoretical studies
( Springer Science and Business Media Deutschland GmbH , 2021 , Article)The inhibition capacity of carbon steel (CS) in 0.5M H2SO4 by three 8-hydroxyquinoline grafted triazole derivatives (EHTC, AHTC, and MHTC) have been investigated using electrochemical impedance spectroscopy (EIS), ...