Search
Now showing items 4091-4100 of 4383
Combined effects of treated domestic wastewater, fly ash, and calcium nitrite toward concrete sustainability
(
Elsevier
, 2021 , Article)
The drastic increase in freshwater and ordinary Portland cement (OPC) consumption poses severe environmental and economic challenges worldwide. This study; therefore, explores the mechanical and durability properties of ...
Psychological impact of the COVID-19 pandemic within institutional quarantine and isolation centres and its sociodemographic correlates in Qatar: A cross-sectional study
(
BMJ Publishing Group
, 2021 , Article)
Setting The State of Qatar has had one of the highest COVID-19 infection rates globally and has used state-managed quarantine and isolation centres to limit the spread of infection. Quarantine and isolation have been shown ...
First principle study of transition metals codoped MoS2 as a gas sensor for the detection of NO and NO2 gases
(
Elsevier B.V.
, 2021 , Article)
Exposure to nitrogen oxides (NOx) has been reported to seriously affect the respiratory systems. More precisely, breathing NOx may lead to the appearance of asthma symptoms, and may also result in the infection with asthma ...
Artificial intelligence-based classification of diabetic peripheral neuropathy from corneal confocal microscopy images
(
American Diabetes Association Inc.
, 2021 , Other)
Diabetic peripheral neuropathy (DPN) is characterized by pain and sensory loss, affecting approximately 50% of patients. Early identification and risk factor management are key to limiting progression of DPN. In contrast ...
Insights into the Middle Eastern paternal genetic pool in Tunisia: high prevalence of T-M70 haplogroup in an Arab population
(
Nature Research
, 2021 , Article)
To obtain refreshed insights into the paternal lineages of Tunisian populations, Y-chromosome diversity was assessed in two populations belonging to an Arab genealogical lineage, Kairouan and Wesletia, as well as in four ...
Thirty Days of Montmorency Tart Cherry Supplementation Has No Effect on Gut Microbiome Composition, Inflammation, or Glycemic Control in Healthy Adults
(
Frontiers Media SA
, 2021 , Article)
Tart cherries possess properties that may reduce inflammation and improve glycemic control, however human data on supplementation and the gut microbiota is equivocal. Processing (i.e., juice concentrate, dried, frozen) may ...
A program evaluation reporting student perceptions of early clinical exposure to primary care at a new medical college in Qatar
(
BioMed Central Ltd
, 2021 , Article)
Background: Though common practice in Europe, few studies have described the efficacy of early clinical exposure (ECE) in the Middle East. The barriers to clinical learning experienced by these novice medical students have ...
Ace2 is an adjacent element of atherosclerosis and covid-19 pathogenesis
(
MDPI
, 2021 , Article Review)
COVID-19 is a highly contagious new infection caused by the single-stranded RNA SarsCoV-2 virus. For the first time, this infection was recorded in December 2019 in the Chinese province of Wuhan. The virus presumably crossed ...
Vibration of Periodic Drill-Strings with Local Sources of Resonance
(
Multidisciplinary Digital Publishing Institute (MDPI)
, 2021 , Article)
A new class of drill-strings is proposed for attenuating undesirable vibrations to ensure effective operation. The drill-string is provided with passive periodic inserts, which are integrated with sources of local resonance ...
Comparative chloroplast genomics of endangered euphorbia species: Insights into hotspot divergence, repetitive sequence variation, and phylogeny
(
Multidisciplinary Digital Publishing Institute (MDPI)
, 2020 , Article)
Euphorbia is one of the largest genera in the Euphorbiaceae family, comprising 2000 species possessing commercial, medicinal, and ornamental importance. However, there are very little data available on their molecular ...