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السجلات المعروضة 141 -- 160 من 741
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Copolyamide-clay nanotube polymer composite nanofiber membranes: Preparation, characterization and its asymmetric wettability driven oil/water emulsion separation towards sewage remediation
( MDPI , 2021 , Article)To address the problem of ever-increasing oily wastewater management, due to its directional liquid transport property, membranes with asymmetric wettability can be effectively used for emulsion separation. This study ... -
Copper-Catalyzed Dual Cyclization for the Synthesis of Quinindolines
( MDPI , 2020 , Article)A synthetic approach to quinindoline derivatives by the Cu-catalyzed dual cyclization has been developed. This catalytic reaction is a practical method for the systematic synthesis of quinindoline core structure, which ... -
Copper/nickel-decorated olive pit biochar: One pot solid state synthesis for environmental remediation
( MDPI , 2021 , Article)Developing micro- and nanomaterials for environmental pollution remediation is currently a pertinent topic. Among the plethora of strategies, designing supported nanocatalysts for the degradation of pollutants has achieved ... -
Copresence of High-Risk Human Papillomaviruses and Epstein-Barr Virus in Colorectal Cancer: A Tissue Microarray and Molecular Study from Lebanon
( MDPI , 2021 , Article)Colorectal cancer (CRC) is the third most common cause of cancer-related deaths worldwide. Human papillomaviruses (HPVs) and Epstein–Barr virus (EBV) have been reported to be present in different types of human cancers ... -
Coronavirus and halal tourism and hospitality industry: Is it a journey to the unknown?
( MDPI , 2020 , Article)Coronavirus (COVID-19) gained and will continue to gain a lot of global attention over the coming months (and maybe the coming few years). Since its outbreak in Wuhan (China), it has turned into one of the major challenges ... -
Cost-Effectiveness Analysis of Pharmacist Adherence Interventions in People Living with HIV/AIDS in Pakistan
( MDPI , 2023 , Article)Background: Evidence has shown the positive impact of pharmacist involvement on the adherence and health outcomes of people living with HIV/AIDS. However, whether such intervention provides value for money remains unclear. ... -
Cost-Effectiveness and Cost-Utility of Palbociclib versus Ribociclib in Women with Stage IV Breast Cancer: A Real-World Data Evaluation
( MDPI , 2022 , Article)Palbociclib and ribociclib are indicated in the first-line treatment of hormonal-receptor-positive HER-2 negative (HR+/HER-2 negative) advanced breast cancer. Despite their clinical benefit, they can increase healthcare ... -
Could antigen presenting cells represent a protective element during sars-cov-2 infection in children?
( MDPI , 2021 , Article)Antigen Presenting Cells (APC) are immune cells that recognize, process, and present antigens to lymphocytes. APCs are among the earliest immune responders against an antigen. Thus, in patients with COVID-19, a disease ... -
Covid-19 inspired a stem-based virtual learning model for middle schools—a case study of Qatar
( MDPI , 2021 , Article)An unprecedented turn in educational pedagogies due to the COVID-19 pandemic has significantly affected the students’ learning process worldwide. This article describes developing a STEM-based online course during the ... -
COVID-19 lesion segmentation using lung CT scan images: Comparative study based on active contour models
( MDPI , 2021 , Article)Pneumonia is a lung infection that threatens all age groups. In this paper, we use CT scans to investigate the effectiveness of active contour models (ACMs) for segmentation of pneumonia caused by the Coronavirus disease ... -
COVID-19 Vaccination: The Mainspring of Challenges and the Seed of Remonstrance
( MDPI , 2021 , Article Review)As of March 2020, the time when the coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) became a pandemic, our existence has been threatened and the lives of ... -
COVID-19 Vaccine Hesitancy and Personality Traits; Results from a Large National Cross-Sectional Survey in Qatar
( MDPI , 2023 , Article)Attitudes to vaccination arise from a complex interplay of personal and environmental factors. This has been true for the COVID-19 vaccination attitudes too and understanding personal factors would help design immunisation ... -
COVID-19 Vaccine Hesitancy in a Representative Education Sector Population in Qatar
( MDPI , 2021 , Article)Even though vaccination programs have now started in earnest across the globe and in Qatar, vaccine hesitancy remains a barrier to effectively tackling the pandemic. Many factors influence willingness to take vaccines ... -
COVID-19 Vaccine Platforms: Challenges and Safety Contemplations
( MDPI , 2021 , Article Review)The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has become a pandemic as of March 2020, creating a global crisis and claiming millions of lives. To halt the pandemic and alleviate its impact on society, ... -
Critical Behavior of La0.8Ca0.2Mn1−xCoxO3 Perovskite (0.1 ≤ x ≤ 0.3)
( MDPI , 2017 , Article)The critical properties of La0.8Ca0.2Mn1−xCoxO3 (x = 0, 0.1, 0.2 and 0.3) compounds were investigated by analysis of the magnetic measurements in the vicinity of their critical temperature. Arrott plots revealed that the ... -
A cross-cultural comparison of health behaviors between Saudi and British adolescents living in urban areas: Gender by country analyses
( MDPI , 2013 , Article)This study investigated the cross-cultural differences and similarity in health behaviors between Saudi and British adolescents. A school-based cross-sectional study was conducted at four cities in Saudi Arabia (Riyadh and ... -
Crosstalk between Sodium–Glucose Cotransporter Inhibitors and Sodium–Hydrogen Exchanger 1 and 3 in Cardiometabolic Diseases
( MDPI , 2021 , Article)Abnormality in glucose homeostasis due to hyperglycemia or insulin resistance is the hallmark of type 2 diabetes mellitus (T2DM). These metabolic abnormalities in T2DM lead to cellular dysfunction and the development of ... -
Cultivating microalgae in desert conditions: Evaluation of the effect of light‐temperature summer conditions on the growth and metabolism of nannochloropsis qu130
( MDPI , 2021 , Article)Temperature and light are two of the most crucial factors for microalgae production. Variations in these factors alter their growth kinetics, macromolecular composition and physiological properties, including cell membrane ... -
A cultural heritage framework for preserving Qatari vernacular domestic architecture
( MDPI , 2020 , Article)Architecture and urbanism in the Arabian Gulf region, and specifically in the State of Qatar, offer many scenes to observe the loss of urban identity and cultural heritage in the various components of the built environment, ... -
The Current Status of Cytomegalovirus (CMV) Prevalence in the MENA region: a systematic review
( MDPI , 2019 , Article)Human cytomegalovirus (CMV) is a highly prevalent herpesvirus worldwide. According to the Centers for Disease Control and Prevention (CDC) and the World Health Organization (WHO), CMV infects people of all ages, and by ...