تصفح Research Units حسب العنوان
السجلات المعروضة 4237 -- 4256 من 4726
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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 ... -
Turkey and the GCC region in the aftermath of Al-Ula Summit
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2021 , Conference Paper)The Al-Ula Summit of January 5, 2021, officially brought the most recent Gulf crisis to an end after almost four years. Saudi Arabia's leadership was crucial in the GCC decision to normalize relations with Qatar. Last-minute ... -
Turkey’s security role in the Gulf region: exploring the case of a newcomer
( Taylor and Francis Group , 2023 , Article)This study explores Turkey as a newcomer to Gulf security. It addresses why Turkish decision-makers want Turkey to play an elevated security role in the Gulf. It offers a holistic yet detailed outlook of Turkey’s potential ... -
Turkey’s Transition into Modernity and the Response of the ‘Ulamā’: The Case of Bediuzzaman Said Nursi
( Islamic Research Institute, Islamabad, Pakistan , 2023 , Article)Turkey’s transition into modernity is one of the earliest models of modernization in the Muslim world. A complex and controversial process involved significant changes to the country’s political, social, and cultural ... -
Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar
( BMJ Publishing Group , 2023 , Article)Objective To assess the evolution of COVID-19 severity and fatality in a unique setting that consistently applied, throughout the pandemic, rigorous and standardised criteria for defining severe COVID-19 outcomes. Methods ... -
Two new sponge species (Demospongiae: Chalinidae and Suberitidae) isolated from hyperarid mangroves of Qatar with notes on their potential antibacterial bioactivity.
( Public Library of Science , 2020 , Article)This study presents the taxonomic description of two new sponge species that are intimately associated with the hyperarid mangrove ecosystem of Qatar. The study includes a preliminary evaluation of the sponges' potential ... -
Two prolonged viremic SARS-CoV-2 infections with conserved viral genome for two months
( Elsevier , 2021 , Article)We document two cases of viremic and prolonged active infection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) where the viral genome was conserved for two months, but infection was with little or ... -
Two-stage cultivation of a Nannochloropsis mutant for biodiesel feedstock
( Springer Verlag , 2015 , Article)Optimization of mass microalgae cultures is required for the efficient production of biodiesel feedstock in terms of total fatty acid (TFA) content and a conducive fatty acid profile. A mutant strain of Nannochloropsis sp. ... -
Two-stage cultivation of N-rich and N-deprived Acutodesmus obliquus biomass: Influence of cultivation and dewatering methods on microalgal biomass used in anaerobic digestion
( Elsevier , 2016 , Article)Microalgae can be manipulated to accumulate certain cellular compounds of interest without the need for genetic modification - simply by controlling growth parameters such as nitrogen (N). Therefore, A. obliquus was ... -
The UAE's Disruptive Policy in Libya
( SETA Foundation , 2020 , Article)In the last decade, the United Arab Emirates (UAE) has emerged as a leading counter-revolutionary force in the Middle East. Feeling the heat of change in the region, the small, oil-rich Gulf country adopted an aggressive ...
