تصفح Research Units حسب العنوان
السجلات المعروضة 1990 -- 2009 من 4709
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Heavy metal removal from aqueous solution by advanced carbon nanotubes: Critical review of adsorption applications
( Elsevier , 2016 , Article Review)The scarcity of water, especially in arid and semi-arid regions of the world is exerting great pressure on resources and establishing more need to provide good quality water for human and other consumptions. Water ... -
Helicobacter pylori and epithelial mesenchymal transition in human gastric cancers: An update of the literature
( Elsevier , 2023 , Article Review)Gastric cancer, a multifactorial disease, is considered one of the most common malignancies worldwide. In addition to genetic and environmental risk factors, infectious agents, such as Epstein-Barr virus (EBV) and Helicobacter ... -
Helminth infections among long-term residents and settled immigrants in Qatar in the decade from 2005 to 2014: temporal trends and varying prevalence among subjects from different regional origins
( BioMed Central , 2016 , Article)Background: Travel and migration from developing regions, where tropical diseases are common, to more developed industrialised nations can contribute to the introduction and subsequent spread of infections. With its rapidly ... -
Helminth Infections Among Long-Term-Residents and Settled Immigrants in Qatar in the Decade from 2005 to 2014: Temporal Trends and Varying Prevalence Among Subjects from Different Regional Origins
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)We analysed the prevalence of helminth infection in a dataset of 31,008 records of subjects referred for stool examination at the Hamad Medical Corporation over the course of a decade (2005 to 2014, inclusive). Overall ... -
Hemodynamic and Structural Comparison of Human Fetal Heart Development Between Normally Growing and Hypoplastic Left Heart Syndrome-Diagnosed Hearts
( Frontiers Media , 2022 , Article)Congenital heart defects (CHDs) affect a wide range of societies with an incidence rate of 1.0–1.2%. These defects initiate at the early developmental stage and result in critical health disorders. Although genetic factors ... -
Hemodynamic Studies for Analyzing the Teratogenic Effects of Drugs in the Zebrafish Embryo.
( Humana Press , 2018 , Book chapter)Investigations of teratogenic effects of drugs generally involve testing the drug on animals and zebrafish embryo is a commonly used animal model for that purpose. In these studies, cardiovascular function of the animals ... -
Hepatoprotective Effect of Oleuropein-Rich Extract from Olive Leaves against Cadmium-Induced Toxicity in Mice
( Hindawi , 2020 , Article)Cadmium (Cd) is a harmful pollutant which mainly affects the liver and kidney. In this work, we investigated the hepatoprotective effects of olive leaf extract based on oleuropein against hepatic cadmium toxicity in mice. ... -
HER-2/Epstein-Barr virus crosstalk in human gastric carcinogenesis: A novel concept of oncogene/oncovirus interaction.
( Taylor & Francis , 2018 , Article)Gastric cancer is the fourth most common cancer and the second leading cause of cancer deaths worldwide. Additionally, it is well-known that metastatic cancer disease is a major cause of morbidity and mortality in cancer ... -
Herbal medicine as an auspicious therapeutic approach for the eradication of Helicobacter pylori infection: A concise review.
( Wiley , 2019 , Article Review)Helicobacter pylori (H. pylori) causes gastric mucosa inflammation and gastric cancer mostly via several virulence factors. Induction of proinflammatory pathways plays a crucial role in chronic inflammation, gastric ... -
Herbal plants- and rice straw-derived biochars reduced metal mobilization in fishpond sediments and improved their potential as fertilizers
( Elsevier , 2022 , Article)Fishpond sediments are rich in organic carbon and nutrients; thus, they can be used as potential fertilizers and soil conditioners. However, sediments can be contaminated with toxic elements (TEs), which have to be immobilized ... -
Herpes Simplex Virus Type 2 Seroprevalence Among Different National Populations of Middle East and North African Men
( Lippincott, Williams & Wilkins , 2018 , Article)BACKGROUND: There are limited data on herpes simplex virus type 2 (HSV-2) seroprevalence in the Middle East and North Africa (MENA). We examined country- and age-specific HSV-2 seroprevalence among select MENA populations ... -
Heterogeneous Catalysts for Conversion of Biodiesel-Waste Glycerol into High-Added-Value Chemicals
( MDPI , 2022 , Article)The valuable products produced from glycerol transformation have become a research route that attracted considerable benefits owing to their huge volumes in recent decades (as a result of biodiesel production as a byproduct) ... -
Heterogeneous growth mechanism of ZnO nanostructures and the effects of their morphology on optical and photocatalytic properties
( Royal Society of Chemistry , 2017 , Article)Zinc oxide (ZnO) nanoflowers have huge potential for various applications. However, the growth mechanism of ZnO nanoflowers is still under debate despite various growth mechanisms having been proposed. The aim of this study ... -
Heterointerface engineered and highly dual-functional N-doped carbon dot /N-rich g-C3N4 hybrid photocatalysts
( Elsevier Ltd , 2022 , Article)Coupled oxidation and reduction of 4-nitrophenol (4NP) and Cr(VI) offer unique advantages for wastewater treatment. In this study, nitrogen-doped carbon dots (NCDs) were decorated on the surface of nitrogen-rich g-C3N4 ... -
Hiding in the background: community-level patterns in invertebrate herbivory across the tundra biome
( Springer Verlag , 2019 , Article)Invertebrate herbivores depend on external temperature for growth and metabolism. Continued warming in tundra ecosystems is proposed to result in increased invertebrate herbivory. However, empirical data about how current ... -
Hierarchical BaTiO3/NiFe2O4 nanocomposite as an efficacious photoanode for photoelectrochemical water splitting
( Elsevier , 2022 , Article)Photocatalysis of water for the production of oxygen and hydrogen is one of the most important development in the drive for clean energy, and it has received a lot of attention because it is a green and easy step to generate ... -
Hierarchical Porous Carbon Nitride-Crumpled Nanosheet-Embedded Copper Single Atoms: An Efficient Catalyst for Carbon Monoxide Oxidation
( American Chemical Society , 2022 , Article)Rational design of metal single-site embedded porous graphitic carbon nitride (P-g-C3N4) nanostructures exploiting maximum atom utilization is warranted to enhance the thermal CO oxidation (COOx) reaction. Herein, a facile, ... -
The hierarchy of authority based on kinship, age, and gender in the extended family in the Arab gulf states
( William S. Hein & Co., Inc , 2013 , Article)Almost all aspects of life in the Arab Gulf States, including family, have been touched by rapid, unstoppable social change. Nevertheless, certain aspects of the family remain intact. That is, although the nuclear family ... -
High and Ultra-high Performance Concretes: A Solution to Reinforced Concrete Durability under Harsh Climate of Arabian Gulf
( Qatar Univesrity Press , 2020 , Conference Paper)Reinforced concrete (RC) infrastructure in the Arabian Gulf region deteriorates under severe environmental conditions after only short service life. To overcome this problem, it is imperative to employ high-quality concretes ... -
High Dispersion of Platinum Nanoparticles over Functionalized Zirconia for Effective Transformation of Levulinic Acid to Alkyl Levulinate Biofuel Additives in the Vapor Phase
( MDPI , 2022 , Article)In recent years, functionalized metal oxides have been gaining popularity for biomass conversion to fuels and chemicals due to the global energy crisis. This study reports a novel catalyst based on noble metal immobilization ...
