Research Units: المرسلات الحديثة
السجلات المعروضة 621 -- 640 من 5213
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Self-Standing Pd-Based Nanostructures for Electrocatalytic CO Oxidation: Do Nanocatalyst Shape and Electrolyte pH Matter?
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)Tailoring the shape of Pd nanocrystals is one of the main ways to enhance catalytic activity; however, the effect of shapes and electrolyte pH on carbon monoxide oxidation (COOxid) is not highlighted enough. This article ... -
Pd nanocrystals encapsulated in MOF-derived Ni/N-doped hollow carbon nanosheets for efficient thermal CO oxidation: unveiling the effect of porosity
( Royal Society of Chemistry , 2023 , Article)Rational synthesis of Ni-metal-organic-framework (MOF)-derived hollow N-doped carbon (Ni-MOF-HNC) nanostructures has garnered great attention in various catalytic reactions due to their outstanding catalytic and physicochemical ... -
Electrocatalytic CO oxidation on porous ternary PdNiO-CeO2/carbon black nanocatalysts: Effect of supports and electrolytes
( Elsevier , 2023 , Article)The catalytic activity and durability of porous ternary Pd-based electrocatalysts are augmented by alloying with other metals and using supports, however, the effect of supports and electrolytes at varied pH on the ... -
Self-standing foam-like Pd-based alloys nanostructures for efficient electrocatalytic ethanol oxidation
( Elsevier , 2023 , Article)In this work, self-standing binary porous PdM (M = Ni, Fe and Co) foam-like nanostructures are rationally designed by a rapid and one-step aqueous-solution method, including ice co-reduction of metal precursors using sodium ... -
Unveiling the electrochemical CO oxidation activity on support-free porous PdM (M = Fe, Co, Ni) foam-like nanocrystals over a wide pH range
( Elsevier , 2023 , Article)Binary PdM-based nanocrystals are efficient electrocatalysts for a wide range of renewable and green fuel cell applications; however, their poisoning by CO is a great barrier for commercialization, so it is pivotal to solve ... -
Interfacial Engineering of Porous Pd/M (M = Au, Cu, Mn) Sponge-like Nanocrystals with a Clean Surface for Enhanced Alkaline Electrochemical Oxidation of Ethanol
( American Chemical Society (ACS) , 2023 , Article)The interfacial engineering of Pd-based alloys (i.e., PdM with distinct morphologies, compositions, and strain defects) is an efficient way for enhanced catalytic activity; however, it remains a grand challenge to fabricate ... -
Controlling the Synthesis Protocols of Palladium-Based Nanostructures for Enhanced Electrocatalytic Oxidation of Carbon Monoxide: A Mini-Review
( Wiley-Blackwell , 2023 , Article)Pd-based nanostructures are endowed with impressive catalytic features for alcohol-based fuel cells, however, their poisoning by carbon monoxide (CO) is a great barrier to large-scale utilization of such fuel cells as ... -
Metal-organic framework-derived hierarchical porous N/Co-doped carbon-supported sponge-like Pd-SnO2 nanostructures for low-temperature CO oxidation
( Royal Society of Chemistry , 2024 , Article)Metal-organic framework-derived porous N/Co-doped carbon (MOF-PNC) nanostructures-supported metal nanoparticles (NPs) are of great importance in multidisciplinary catalytic reactions; however, their catalytic performance ... -
Evacuation under flooded conditions: Experimental investigation of the influence of water depth on walking behaviors
( Elsevier , 2021 , Article)Flooding can be considered as the most frequent type of natural disaster, and it is an unavoidable phenomenon in many parts of the world. Ensuring the safety of people during such natural disasters is extremely important. ... -
Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles
( Elsevier , 2021 , Article)Electrospinning technique was employed to fabricate composite nanofibers/nanoparticles of sulfonated polyether ether ketone, polyvinylpyrrolidone, and ruthenium oxide (sPEEK/PVP/RuO2). The samples were synthesized with ... -
Vulnerabilities and countermeasures in electrical substations
( Elsevier , 2021 , Article)The impending and continued threat of cyberattacks on modern utility grids has called for action from the different stakeholders of the electricity sector. This calls for a thorough investigation and review of the weaknesses ... -
Durability of plain concrete prism strengthened with galvanized steel mesh and CFRP laminates under harsh environmental conditions
( Elsevier , 2021 , Article)This paper investigates the bond durability of recently developed galvanized steel mesh (GSM) strengthening systems compared to the carbon fiber-reinforced polymer (CFRP) composites under severe environments. Plain concrete ... -
Nano-Priming for Inducing Salinity Tolerance, Disease Resistance, Yield Attributes, and Alleviating Heavy Metal Toxicity in Plants
( MDPI , 2024 , Article Review)In today’s time, agricultural productivity is severely affected by climate change and increasing pollution. Hence, several biotechnological approaches, including genetic and non-genetic strategies, have been developed and ... -
Harnessing rhizospheric core microbiomes from arid regions for enhancing date palm resilience to climate change effects
( Frontiers Media , 2024 , Article Review)Date palm cultivation has thrived in the Gulf Cooperation Council region since ancient times, where it represents a vital sector in agricultural and socio-economic development. However, climate change conditions prevailing ... -
Changes in secondary metabolites contents and stress response in Salvia miltiorrhiza Bunge via ScWRKY35 overexpression: insights from a Salvia castanea homolog
( Elsevier , 2024 , Article)Salvia castanea Diels, a close wild relative to the medicinal plant, Salvia miltiorrhiza Bunge, primarily grows in high-altitude regions. While the two species share similar active compounds, their content varies significantly. ... -
Green synthesized zinc oxide nanoparticles for removal of carbamazepine in water and soil systems
( Elsevier , 2024 , Article)During the COVID-19 pandemic, there was a significant increase in pharmaceutical releases (4 %), which created a pressing global need for solutions. In this study, we explored the use of zinc oxide nanoparticles (GS-ZnONPs) ... -
A critical review on Pulicaria species occurring in Qatar: traditional uses, phytochemistry and biological activities
( Springer Nature , 2024 , Article)In Qatar, three main species of Pulicaria (from Asteraceae) such as Pulicaria undulata (L.) C.A.Mey, Pulicaria gnaphalodes (Vent.) Boiss. and Pulicaria sicula (L.) Moris are reported. Traditionally, these species have ... -
Process optimization and method validation for efficient valorization of low- grade coal into humic substances
( Elsevier , 2024 , Article)The exploration of low-grade coal resources and progress in the extraction method of humic substances are the core aims of this study. Ultrasonic and microwave assisted alkali extractions were compared with conventional ... -
Thermophysical Characterization of Paraffins versus Temperature for Thermal Energy Storage
( MDPI , 2023 , Article)Latent heat storage systems (LHSS), using solid-liquid phase change materials (PCMs), are attracting growing interest in many applications. The determination of the thermophysical properties of PCMs is crucial for selecting ... -
Impact of the Processing-Induced Orientation of Hexagonal Boron Nitride and Graphite on the Thermal Conductivity of Polyethylene Composites
( MDPI , 2023 , Article)Emergent heat transfer and thermal management applications require polymer composites with enhanced thermal conductivity (κ). Composites filled with non-spherical fillers, such as hexagonal boron nitride (hBN) and Graphite ...
