تصفح Research Units حسب العنوان
السجلات المعروضة 3009 -- 3028 من 4933
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Novel Slippery Liquid-Infused Porous Surfaces (SLIPS) Based on Electrospun Polydimethylsiloxane/Polystyrene Fibrous Structures Infused with Natural Blackseed Oil
( MDPI , 2022 , Article)Hydrophobic fibrous slippery liquid-infused porous surfaces (SLIPS) were fabricated by electrospinning polydimethylsiloxane (PDMS) and polystyrene (PS) as a carrier polymer on plasmatreated polyethylene (PE) and polyurethane ... -
Novel surface-treatment for bottom ash from municipal solid waste incineration to reduce the heavy metals leachability for a sustainable environment
( Elsevier , 2023 , Article)Unconventional treatments can provide a modification to convert ash waste into valuable materials that can be used in various applications. This study focuses on bottom ash (BA) collected from a local incineration plant ... -
Novel Theileria sp. as an Etiology of Cutaneous Theileriosis among the Vulnerable Arabian Oryx
( MDPI , 2024 , Article)The Arabian Peninsula’s endemic ungulate, Oryx leucoryx, was on the verge of extinction at the end of the 1970s. Despite the different reintroduction programs, the International Union for Conservation of Nature is still ... -
A Novel UHPLC-MS/MS Based Method for Isomeric Separation and Quantitative Determination of Cyanogenic Glycosides in American Elderberry
( MDPI , 2024 , Article)LC-MS/MS analyses have been reported as challenging for the reliable separation and quantification of cyanogenic glycosides (CNGs), especially (R)-prunasin and sambunigrin isomers found in American elderberry (Sambucus ... -
De novo transcriptome assembly of the Qatari pearl oyster Pinctada imbricata radiata
( Elsevier , 2020 , Article)© 2019 The pearl oyster Pinctada imbricata radiata is an iconic species in Qatar, representing an integral part of the nation's cultural heritage and one of the main economic foundations upon which the nation developed. ... -
Nox2 activity is required in obesity-mediated alteration of bone remodeling
( Hindawi Limited , 2018 , Article)Despite increasing evidence suggesting a role for NADPH oxidases (Nox) in bone pathophysiology, whether Nox enzymes contribute to obesity-mediated bone remodeling remains to be clearly elucidated. Nox2 is one of the ... -
Nudging greywater acceptability in a Muslim country: Comparisons of different greywater reuse framings in Qatar
( Elsevier , 2018 , Article)With very low annual rainfall and increasingly depleted groundwater resources, the Gulf Cooperation Council (GCC) countries are some of the most water scarce in the world and rely on growing quantities of desalinated water ... -
Numerical and experimental investigation on corrugation geometry for metallic tubes under lateral loading
( Trans Tech Publications Ltd , 2018 , Conference Paper)Energy absorption devices are being used to protect structures from severe damages and reduce injury to occupants during accidents. The integrated characteristics of crash absorption devices can be classified as high energy ... -
A numerical approach to study the effect of bandgap and electron affinity in HTL-free perovskite solar cells and design of two-terminal silicon/perovskite tandem solar cell
( Elsevier , 2023 , Article)The hole-transport layer (HTL) free perovskite solar cells with carbon electrode (c-PSCs) have garnered significant attention owing to their simple design, cost-effectiveness, and good stability. However, the power conversion ... -
Numerical Investigation of the Fetal Left Heart Hemodynamics During Gestational Stages
( Frontiers Media , 2021 , Article)Flow-driven hemodynamic forces on the cardiac tissues have critical importance, and have a significant role in the proper development of the heart. These mechanobiological mechanisms govern the cellular responses for the ... -
Numerical modeling and performance optimization of carbon-based hole transport layer free perovskite solar cells
( Elsevier , 2022 , Article)Owing to low production cost and ease of processing, hole-transport layer (HTL) free carbon electrode-based perovskite solar cells (c-PSCs) have emerged as a potential photovoltaic (PV) technology. Despite this, c-PCSs ... -
Numerical simulation analysis towards the effect of charge transport layers electrical properties on cesium based ternary cation perovskite solar cells performance
( Elsevier , 2021 , Article)In the present study, the device modeling of inverted architecture based on ITO/HTL/perovskite absorber/ETL/Ag was performed using a one-dimensional solar cell capacitance simulation (SCAPS-1D) program. Initially, device ... -
Numerical simulation of cascaded cyclone separator for nanosize aerosol
( Taylor and Francis Ltd. , 2021 , Article)Among the conventionally used sampling methods, the cyclone-based air samplers are considered to be the most effective and simplest method. However, the collection efficiency of these commercially available air samplers ... -
Numerical simulation of flow-through heat exchanger having helical flow passage using high order accurate solution dependent weighted least square based gradient calculations
( Bellwether Publishing, Ltd. , 2021 , Article)Improving the fluid flow and heat transfer characteristics of a heat exchanger has always been desired for any heat transferring application. Various active, passive, and combined methods were adopted for heat transfer ... -
Numerical simulation of the fracture and compression response of self-healing concrete containing engineered aggregates
( Elsevier , 2023 , Article)The existing self-healing concretes that rely on capsules require modifications to one or more traditional concrete mixing, placing, and consolidating methods. Additionally, concrete mixture designs need alterations to ... -
Numerical simulation to optimize the efficiency of HTM-free perovskite solar cells by ETM engineering
( Elsevier , 2023 , Article)Perovskite solar cells based on carbon electrodes (c-PSCs) without a hole transport material (HTM) have gained considerable interest owing to their cost-effective and simplified structure. However, their application is ... -
Nurses' Satisfaction and its Effect on Job Performance: Comparative Study between Joint Commission International Accredited and Non-accredited Palestinian Hospitals
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Background: Nurses' job satisfaction and performance have become more important in recent years as a metric for gauging the success of healthcare organizations in implementing their long-term strategy. Several factors ... -
Nutrient retention and release from raw exhausted grape marc biochars and an amended agricultural soil: Static and dynamic investigation
( Elsevier , 2020 , Article)Biochar is the solid by-product of biomass thermochemical conversion via pyrolysis technique. Biochar addition to croplands as an organic amendment can improve soil properties and increase agricultural productivity. However, ... -
Nutrients and energy digestibility of microalgal biomass for fish feed applications
( MDPI , 2021 , Article)Aquafeed accounts for at least 75-90% of aquaculture's operating costs. Traditional aquafeed ingredients such as fishmeal, fish oil, and soybean meal are unsustainable; further, their increasing cost necessities developing ... -
Nutritive effect of dust on microbial biodiversity and productivity of the Arabian Gulf
( Bellwether Publishing, Ltd. , 2020 , Article)The Arabian Gulf is exposed to intensive dust storms during summer until early winter. We investigated the nutritive effect of the dust on microbial biodiversity of the water column and the productivity of the Gulf. We ...
