Qatar University Institutional Repository: المرسلات الحديثة
السجلات المعروضة 701 -- 720 من 30865
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Underlying Substrate Effect on Electrochemical Activity for Hydrogen Evolution Reaction with Low-Platinum-Loaded Catalysts
( John Wiley and Sons Inc , 2024 , Article)Platinum is known as the best catalyst for the hydrogen evolution reaction (HER) but the scarcity and high cost of Pt limit its widespread applicability. Herein, the role of the underlying substrate on the HER activity of ... -
Involvement of characterized polysaccharide extracted from natural source "Zingiber officinale" in the development performance of whipped cream
( Springer Nature , 2024 , Article)This study deals with the structural characteristics of a polysaccharide extracted from Zingiber officinale (ZOP) and its in vitro antioxidant activities, in addition to its role in the amelioration of whipped cream shelf ... -
Enhancing the piezoelectric performance of composite PVDF flexible films through optimizing β phase content, investigating additive effects, step-wise polarization, and thermal pressing time for energy harvesting applications
( John Wiley and Sons Inc , 2024 , Article)Polyvinylidene fluoride (PVDF), known for its piezoelectric versatility, emerges as a key contender for advancing efficient and sustainable energy harvesting in nanogenerators. This study explores the potential enhancement ... -
Synergistic Effect of TiO₂ Nanorods Incorporated with Graphene Oxide for Photocatalytic Degradation of Multiple Dyes
( Springer Science and Business Media Deutschland GmbH , 2025 , Article)The treatment of dye-contaminated wastewater is essential for mitigating environmental and health risks. In this study, we developed a novel nanocomposite, TiO₂-incorporated graphene oxide (TiO₂@GOn), aimed at enhancing ... -
MSEUnet: Refined Intima-media segmentation of the carotid artery based on a multi-scale approach using patch-wise dice loss
( Elsevier , 2025 , Article)Carotid artery stenosis risk stratification is one of the most sought-after methods for diagnosing the chances of stroke. There is an inherent requirement to identify the risk before its onset through techniques such as ... -
Innovative smart colorimetric sensor for nitrite detection in poultry packaging
( Springer Nature , 2024 , Article)Detecting nitrite ions is crucial for environmental and health monitoring, given the prevalence of nitrites in water sources and meat. Colorimetric methods provide a cost-effective, rapid, and straightforward means of ... -
A comprehensive review of portable cold storage: Technologies, applications, and future trends
( Elsevier , 2024 , Article Review)In recent years, there has been a substantial increase in the usage of portable cold storage technologies, as the demand for flexible and mobile solutions for storing perishable goods has expanded. The advantages of portable ... -
FCEV vs. BEV - A short overview on identifying the key contributors to affordable & clean energy (SDG-7)
( Elsevier , 2024 , Article Review)Battery electric vehicles (BEVs) are surging worldwide due to technology improvements in lithium-based batteries and rising petroleum prices. India's EV30@30 campaign aggressively penetrate the Electric vehicle and target ... -
3D printing flexible Ga-doped ZnO films for wearable energy harvesting: thermoelectric and piezoelectric nanogenerators
( Springer , 2024 , Article)The 3D printing of energy harvesters using earth-abundant and non-toxic elements promotes energy sustainability and market competitiveness. The semiconducting behavior and non-centrosymmetric wurtzite crystal structure of ... -
A novel method for the detection and classification of multiple diseases using transfer learning-based deep learning techniques with improved performance
( Springer Science and Business Media Deutschland GmbH , 2024 , Article)A disease is a distinct abnormal state that significantly affects the functioning of all or part of an individual and is not caused by external harm. Diseases are frequently understood as medical conditions connected with ... -
Fabrication of 3D-Printed Polyurethane Resin Composites and its Dielectric Performance
( Springer Science and Business Media Deutschland GmbH , 2024 , Article)Purpose The Purpose of the research can be rewritten as follows: “The purpose of this research is to study the dielectric response of a 3D-printed polymer composite filled with multiwalled carbon nanotubes (CNTs) and ... -
An event triggered control scheme for enhanced production of Escherichia coli and biomass concentration during fed-batch cultivation
( Elsevier , 2024 , Article)Control of a bioprocess is a challenging task mainly due to the nonlinearity of the process, the complex nature of microorganisms, and variations in critical parameters such as temperature, pH, and agitator speed. Generally, ... -
Advanced chemosensor techniques for instantaneous ammonia monitoring
( Elsevier , 2024 , Article)Detecting ammonia holds immense significance across diverse domains, notably in aquatic settings, medical diagnostics, and industrial operations. The imperative need for continuous ammonia level monitoring arises to avert ... -
Engineering PLA-MXene nanocomposite with balanced mechanical properties for enhanced shape memory effect
( Springer Science and Business Media B.V. , 2024 , Article)Poly(lactic acid) (PLA) as shape memory material has gained attention due to its biocompatibility, biodegradability, and ease of processing by 3D printing. PLA's environmentally friendly nature makes it an attractive ... -
Multi-functional nanoscale ZrO2 catalysts for sustainable water treatment
( Elsevier , 2024 , Article)This study aimed to synthesize highly reactive ZrO2 nanoparticles using a straightforward sol-gel method for addressing water contamination from hazardous metal ions and organic dyes. Structural and photocatalytic properties ... -
Evaluating fructose content in poultry feed: electrochemical insights
( Springer Science and Business Media B.V. , 2024 , Article)The global demand for poultry meat has increased, but consumers have become more picky in their nutritional choices. The fat content of poultry meat has risen since genetic advancement has resulted in higher rates of body ... -
Scalable fabrication of flexible thermoelectric generator with non-toxic Ga:ZnO and PEDOT:PSS thermoelements for wearable energy harvesting
( Elsevier , 2025 , Article)This study presents a lightweight, flexible thermoelectric generator (TEG) designed for sustainable energy harvesting in wearable electronics. The TEG integrates p-type PEDOT:PSS and n-type Ga:ZnO thermoelements, utilizing ... -
Glycine-modified chitosan-embedded silver nanoparticles: a green approach to Pb2+ adsorption and bioactivity enhancement
( Springer Science and Business Media Deutschland GmbH , 2024 , Article)Glycine-modified chitosan anchored silver nanoparticles (SCG) were synthesized using a green method without a cross-linking agent. UV–Vis, FTIR, XRD, TEM and SEM techniques confirmed the formation of the SCG nanocomposite ... -
A novel mathematical approach for modeling the dielectric response surface of the transformer oil to predict the optimized functions of transformers in high-power applications
( Springer Science and Business Media Deutschland GmbH , 2024 , Article)Due to increase in the number of transformers, the need for transformer dielectric coolant (TDC) is gradually rising. Transformers are continuously under stress, which shortens the TDC's shelf life. In this experimental ... -
Optimized task scheduling approach with fault tolerant load balancing using multi-objective cat swarm optimization for multi-cloud environment
( Elsevier , 2024 , Article)Multi-cloud environment enables an organization to access services from more than one cloud service providers the use of multiple cloud computing and it can be treated as single heterogeneous environment. It enables autonomy ...
