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السجلات المعروضة 41 -- 50 من 1872
Epidemiological, molecular, and clinical features of rotavirus infections among pediatrics in Qatar
(
Springer
, 2021 , Article)
Acute gastroenteritis (AGE) remains a major cause of diarrhea in developing and developed countries. Rotavirus (RV) is a leading cause of severe pediatric diarrhea worldwide. Here we report on the prevalence of circulating ...
Synthesis of N -Heterocycles via Transition-Metal-Catalyzed Tandem Addition/Cyclization of a Nitrile
(
Thieme Gruppe
, 2020 , Article)
The diverse methodologies to synthesize N -heterocycles through transition-metal-catalyzed cascade addition/cyclization of a nitrile are discussed in this review. Aspects relating to three types of transition-metal-catalyzed ...
Ecological and health risks assessment of potentially toxic metals and metalloids contaminants: A case study of agricultural soils in Qatar
(
MDPI
, 2021 , Article)
© 2021 by the authors. Licensee MDPI, Basel, Switzerland. In recent years, Qatar has witnessed exponential growth in the human population, urbanization, and increased anthropogenic activities, including agriculture. ...
Energy recovery and nutrients recycling from municipal sewage sludge
(
Elsevier
, 2020 , Article)
Hydrothermal Liquefaction (HTL) could be a promising and better alternative to other techniques for energy recovery from municipal sewage sludge (MSS). However, the nutrients (i.e., N, and P) recovery potential from the ...
Bacillus thuringiensis strains isolated from Qatari soil, synthesizing δ-endotoxins highly active against the disease vector insect Aedes aegypti Bora Bora
(
Elsevier
, 2020 , Article)
© 2020 Bacillus thuringiensis (Bt) is a Gram-positive soil bacterium that has been recognized as an effective bioinsecticide active against plant, animal and human pathogenic and disease vector insects. During its sporulation ...
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 ...
Monitoring oil spill in Norilsk, Russia using satellite data.
(
Nature Research
, 2021 , Article)
This paper studies the oil spill, which occurred in the Norilsk and Taimyr region of Russia due to the collapse of the fuel tank at the power station on May 29, 2020. We monitored the snow, ice, water, vegetation and wetland ...
Distinct antibody repertoires against endemic human coronaviruses in children and adults.
(
American Society for Clinical Investigation
, 2021 , Article)
Four endemic human coronaviruses (HCoVs) are commonly associated with acute respiratory infection in humans. B cell responses to these "common cold" viruses remain incompletely understood. Here we report a comprehensive ...
Seroprevalence of West Nile Virus among Healthy Blood Donors from Different National Populations Residing in Qatar
(
Elsevier
, 2020 , Article)
ObjectiveTo estimate the age- and nationality-specific West Nile virus (WNV) seroprevalence in select Middle East and North Africa (MENA) populations residing in Qatar. MethodsSera were collected from male blood donors ...
Mapping biodiversity conservation priorities for protected areas: A case study in Xishuangbanna Tropical Area, China
(
Elsevier
, 2020 , Article)
Global biodiversity is declining rapidly, posing a severe threat to ecosystem functions and services. Protected Areas (PAs) can be extremely effective in protecting biodiversity, but conservation gaps arise as a result of ...