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السجلات المعروضة 4260 -- 4279 من 4759
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Treatment of saline wastewater and carbon dioxide capture using electrodialysis
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)In this study, electrodialysis was used to achieve a combined action of capturing carbon dioxide and treating high-salinity water to produce hydrochloric acid, hydrogen gas, and carbonate and bicarbonate salts. Sodium ... -
Treatment of wastewaters by microalgae and the potential applications of the produced biomass-a review
( MDPI AG , 2021 , Article)The treatment of different types of wastewater by physicochemical or biological (nonmicroalgal) methods could often be either inefficient or energy-intensive. Microalgae are ubiquitous microscopic organisms, which thrive ... -
Treatment with decitabine induces the expression of stemness markers, PD-L1 and NY-ESO-1 in colorectal cancer: potential for combined chemoimmunotherapy
( BioMed Central Ltd , 2023 , Article)Background: The mechanism of tumor immune escape and progression in colorectal cancer (CRC) is widely investigated in-vitro to help understand and identify agents that might play a crucial role in response to treatment and ... -
Trends in fecal carriage of carbapenemase-producing Enterobacterales in children before and after the implementation of international travel restrictions in response to COVID-19
( Elsevier , 2021 , Other)Qatar is located on the northeast coast of the Arabian Peninsula with a large expatriate population comprising 86% of the country's population, most of whom originate from Indian subcontinent countries [1]. International ... -
Trends in microalgal-based systems as a promising concept for emerging contaminants and mineral salt recovery from municipal wastewater
( Elsevier , 2023 , Article Review)In the context of climate change leading to water scarcity for many people in the world, the treatment of municipal wastewater becomes a necessity. However, the reuse of this water requires secondary and tertiary treatment ... -
Trends in prevalence of depression and anxiety symptoms and effects of sociodemographic variables before and after the first wave of COVID-19 in Qatar
( Elsevier , 2022 , Article)Background Prevalence trends from Arabic speaking countries on psychiatric symptoms before and after the first wave of the COVID-19 pandemic are lacking. We estimated the point prevalence and change in depression and ... -
Tri-molybdenum phosphide (Mo3P) and multi-walled carbon nanotube junctions for volatile organic compounds (VOCs) detection
( American Institute of Physics Inc. , 2021 , Article)Detection and analysis of volatile organic compounds' (VOCs) biomarkers lead to improvement in healthcare diagnosis and other applications such as chemical threat detection and food quality control. Here, we report on ... -
Tribological behaviour of 1D and 2D nanofiller based high densitypoly-ethylene hybrid nanocomposites: A run-in and steady state phase analysis
( Elsevier Ltd , 2017 , Article)Hybrid nanocomposites are a class of materials with exceptional properties due to the synergizing effect of individual fillers. Current work reports the tribological behaviour of high densitypolyethylene-(HDPE) reinforced ... -
Tribological studies of nanomodified mineral based multi-grade engine oil
( Research India Publications , 2017 , Article)This research study investigates the tribological behaviour of mineral based multi grade engine oil reinforced with nanoadditives using a pin on disc tribometer under different frictional conditions. Load, sliding speed, ... -
Trilayer composite scaffold for urethral reconstruction: in vitro evaluation of mechanical, biological, and angiogenic properties
( IOP Publishing , 2024 , Article)Regeneration of damaged urethral tissue remains a major challenge in the field of lower urinary tract reconstruction. To address this issue, various synthetic and natural biodegradable biomaterials are currently being ... -
Triple Negative Breast Cancer Profile, from Gene to microRNA, in Relation to Ethnicity.
( MDPI , 2019 , Article)Breast cancer is the most frequent cause of cancer-related deaths among women worldwide. It is classified into four major molecular subtypes. Triple-negative breast cancers (TNBCs), a subgroup of breast cancer, are defined ... -
Trusted News Sources’ Measures and their Relationships to Social and Public Attitudes: An Analysis of the First Annual Omnibus Survey of Life in Qatar
( Georgia State Univesrity , 2013 , Article)An overwhelming majority (77 percent) of Qatari Nationals reported television as their most trusted local news source (87 percent for Arab/regional news and 89 percent for international news), and 80 percent rated the ... -
Tryptophan-functionalized gold nanoparticles for deep UV imaging of microbial cells
( Elsevier , 2015 , Article)Biocompatible fluorescent nanostructures were prepared by a functionalization of gold nanoparticles with the amino acid tryptophan. The gold-tryptophan bioconjugates were investigated by TEM and HRTEM and various spectroscopy ... -
Tujjar in the Gulf: Changes in Political Influence
( Springer , 2023 , Book chapter)Since the oil boom in the 1970s, the Gulf region has witnessed tremendous growth. Today, the GCC countries have an impressive collective 85% urbanization. This paper argues that merchant-ruler relations and the transnational ... -
The tumor microenvironment as driver of stemness and therapeutic resistance in breast cancer: New challenges and therapeutic opportunities
( Springer , 2021 , Article Review)Background: Breast cancer (BC), the second most common cause of cancer-related deaths, remains a significant threat to the health and wellness of women worldwide. The tumor microenvironment (TME), comprising cellular ... -
Tumor microenvironment: an evil nexus promoting aggressive head and neck squamous cell carcinoma and avenue for targeted therapy.
( Springer Nature , 2021 , Article Review)Head and neck squamous cell carcinoma (HNSCC) is a very aggressive disease with a poor prognosis for advanced-stage tumors. Recent clinical, genomic, and cellular studies have revealed the highly heterogeneous and ... -
Tunable properties based on regioselectivity of 1,2,3-triazole units in axially chiral 2,2?-linked 1,1?-binaphthyl-based copolymers for ions and acid responsiveness
( Elsevier Ltd , 2018 , Article)The synthesis and optical studies of a new chiral binaphthyl-based polymeric sensor are described herein. The polymers were prepared using the copper-catalyzed azide?alkyne cycloaddition reaction between fluorene and ... -
The tundra phenology database: More than two decades of tundra phenology responses to climate change
( NRC Research Press , 2021 , Article)Observations of changes in phenology have provided some of the strongest signals of the effects of climate change on terrestrial ecosystems. The International Tundra Experiment (ITEX), initiated in the early 1990s, established ... -
Tungsten-molybdenum oxide nanowires/reduced graphene oxide nanocomposite with enhanced and durable performance for electrocatalytic hydrogen evolution reaction
( Elsevier Ltd , 2017 , Article)Hydrogen has attracted huge interest globally as a durable, environmentally safe and renewable fuel. Electrocatalytic hydrogen evolution reaction (HER) is one of the most promising methods for large scale hydrogen production, ... -
Tuning the Intermolecular Electron Transfer of Low-Dimensional and Metal-Free BCN/C60Electrocatalysts via Interfacial Defects for Efficient Hydrogen and Oxygen Electrochemistry
( American Chemical Society , 2021 , Article)The development of low-dimensional (LD) supramolecular materials with multifunctional electrocatalytic properties has sparked the attention of the catalysis community. Herein, we report the synthesis of a new class of 0D-2D ...
