Qatar University Institutional Repository: المرسلات الحديثة
السجلات المعروضة 1 -- 20 من 31544
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A brief review of in situ spectroscopic methods and electrochemical sensors as essential evaluation tools for the electrochemical reduction of CO2 (ElRC)
( The Royal Society of Chemistry , 2024 , Article)Electrochemical reduction of CO2 (ElRC) is a practical method for storing energy from renewable sources while completing the carbon cycle. Presently, electrochemical conversion energy technologies, which are more environmentally ... -
Numerical analysis of spatial distribution of carbon in methane dry reforming over supported nickel catalyst in a packed bed reactor
( Elsevier , 2024 , Article)This study investigates carbon deposition during methane dry reforming over a nickel-based catalyst supported on alumina in a laboratory-scale fixed-bed reactor. Approximately 23.75 g of catalyst was used, and simulations ... -
Impact of magnesium substitution on the structural stability and catalytic performance of LaNiO₃ perovskites for methane dry reforming
( Elsevier , 2024 , Article)Mg-doped LaNiO3 perovskite nanoparticles, denoted as LaNixMg1-xO3 (0 ≤x ≤ 1), were prepared via the solution combustion technique and evaluated for dry reforming of methane. The results suggest that at 750 °C, a nickel ... -
Electrochemical Degradation Study of 4-Chlorophenol Using Magnesium Ferrite Catalysts Prepared by Solution Combustion
( Wiley , 2025 , Article)Electrochemical degradation of 4-chlorophenol (4-CP) was investigated using a rotating disk electrode (RDE) over magnesium ferrite (MgFe<inf>2</inf>O<inf>4</inf>), iron-oxide and magnesium-oxide in presence of 4-CP in ... -
Atomic level transition of graphene layer to carbon nanotubes over cobalt during ethanol decomposition reaction
( Elsevier , 2024 , Article)Herein we report the catalytic ethanol decomposition over cobalt catalyst synthesized using conventional solution combustion synthesis (SCS). The reaction pathway proposed in-situ DRIFT analysis shows that the decomposition ... -
A comprehensive review of metal-based redox flow batteries: progress and perspectives
( Taylor and Francis , 2024 , Article)Redox flow batteries (RFBs) are perceived to lead the large-scale energy storage technology by integrating with intermittent renewable energy resources such as wind and solar to overcome current challenges in conventional ... -
Quartz crystal microbalance (QCM) study of electrochemical CO2 reduction on Sn electrocatalysts
( Elsevier , 2025 , Article)The extenuation of CO2 emissions using electrochemical CO2 reduction (ECR) is a promising approach. Electrochemical routes offer a number of benefits, including customizable layout, precise product modification, mild ... -
Electrochemical Reduction of CO2 (ERCO2) on Pb Electrocatalysts using Mn3O4 as Anode
( Wiley , 2025 , Article)The electrochemical reduction of carbon dioxide (ERCO2) to chemical feedstock and fuels is a promising strategy for reducing excessive carbon dioxide emissions. There are various benefits of converting CO2 to a single ... -
Recent Developments on CO2 Hydrogenation Performance over Structured Zeolites: A Review on Properties, Synthesis, and Characterization
( Multidisciplinary Digital Publishing Institute (MDPI) , 2024 , Article)This review focuses on an extensive synopsis of the recent improvements in CO2 hydrogenation over structured zeolites, including their properties, synthesis methods, and characterization. Key features such as bimodal ... -
Role of Ca in Ni-Ca/Fumed-SiO2 Catalysts for CO2 Catalytic Conversion to Methane
( Springer , 2024 , Article)This study investigates the role of calcium in facilitating the carbon dioxide methanation reaction over nickel supported on fumed-SiO2 catalysts. The wet impregnation method was used to prepare Ni/fumed-SiO2 catalysts ... -
Synthesis of various Pb catalysts and their examination in the study of electrochemical CO2 reduction (ECR) using a quartz crystal microbalance with a Mn3O4 anode
( The Royal Society of Chemistry , 2025 , Article)As increasing CO2 concentration in the atmosphere seriously harms ecosystems, there is a need to decrease the level of CO2 to ensure the survival of mankind. Electrochemical CO2 reduction is considered to be one of the ... -
Artificial Intelligence for Prosthetic and Implant Dentistry
( Springer Nature Link , 2025 , Book chapter)Prosthetic and implant dentistry has been at the forefront of adopting digital technologies, integrating cone-beam computed tomography (CBCT) and intraoral scanners for treatment planning, along with computer-aided design ... -
Consensus Report of the 20th European Workshop on Periodontology: Contemporary and Emerging Technologies in Periodontal Diagnosis
( Wiley , 2025 , Article)Background: This Consensus Workshop dealt with diagnostic methodologies in the context of surveillance, screening, assessment of stage and grade, prognosis, monitoring and prediction of periodontal status. Several elements ... -
50,000 years of evolutionary history of India: Impact on health and disease variation
( Elsevier , 2025 , Article)India has been underrepresented in genomic surveys. We generated whole-genome sequences from 2,762 individuals in India, capturing the genetic diversity across most geographic regions, linguistic groups, and historically ... -
Association between household air pollution due to solid fuel use and sleep problems among older adults in India
( Cambridge University Press , 2025 , Article)Household air pollution (HAP) presents numerous health challenges. The association between HAP and sleep problems has not been extensively studied. This paper examined the effect of HAP due to solid fuel use on sleep ... -
Arabic Translation and Validation of the Adult Oral Health Standard Set Questionnaire
( Elsevier , 2025 , Article)IntroductionThe Adult Oral Health Standard Set (AOHSS) questionnaire was developed by the International Dental Federation (FDI) and the Oral Adult Health Working Group (OHWG) for oral health assessment in clinical settings, ... -
The Current State of Clinical Diagnostic Algorithms for Mucosal Oral Lesions: A Scoping Review
( Wiley , 2025 , Article)Background: Diagnosing oral lesions remains challenging for many dentists. Despite the availability of diagnostic algorithms, there is a dearth of comprehensive evidence synthesis and a discussion on their clinical and ... -
Silver-based dressings for the prevention of surgical site infections: evidence from randomized trials
( Elsevier , 2025 , Article)BackgroundSurgical site infections (SSIs) are a major cause of postoperative complications, increasing morbidity and healthcare costs. Silver-based dressings are commonly used due to their antimicrobial properties, but ... -
Trace metal composition of suspended particulate matter in the water column of the Black Sea
( Elsevier , 2011 , Article)We analyzed the chemical composition of suspended matter from the Black Sea for a complete suite of elements used as tracers for various sources and processes. Samples of suspended matter were collected at four stations ... -
Synthesis of nanostructured novel ion-imprinted polymer for selective removal of Cu2+ and Sr2+ ions from reverse osmosis concentrated brine
( Elsevier , 2023 , Article)This study aims to prepare an ion-imprinted polymer (IIP) using copper sulfate as a template and potassium persulfate as an initiator to selectively adsorb copper ions (Cu2+) from aqueous solutions and in an attempt to ...
