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Caffeine use or napping to enhance repeated sprint performance after partial sleep deprivation: Why not both?
(
Human Kinetics Publishers Inc.
, 2021 , Article)
Purpose: To compare the effect of a 20-minute nap opportunity (N20), a moderate dose of caffeine (CAF; 5 mg·kg-1), or a moderate dose of caffeine before N20 (CAF+N) as possible countermeasures to the decreased performance ...
القانون الرياضي : النظرية العامة للقانون الرياضيّ مع شرح التشريعات الرياضيّة في دولة قطر
(
دار نشر جامعة قطر
, 2021 , Book)
صدر حديثًا عن دار نشر جامعة قطر كتاب "القانون الرياضي: النظرية العامة للقانون الرياضي مع شرح التشريعات الرياضية في دولة قطر" لمؤلفه الأستاذ الدكتور عبد الناصر زياد هياجنه، أستاذ القانون الخاص في كلية القانون – جامعة ...
SARS-CoV-2 re-infection: a case report from Qatar
(
Elsevier
, 2021 , Article)
We read with interest the study of Gousseff et al.1
The study reported a second acute COVID-19 episode in 11 patients. A novel coronavirus (SARS-CoV-2) caused a pandemic end of 2019. Common signs of SARS-CoV-2 include ...
Rates of recurrent positive SARS-CoV-2 swab results among patients attending primary care in Qatar
(
Elsevier
, 2021 , Article)
We read with interest the work of COCOREC (Collaborative study COvid RECurrences) study group.1
Recurrent positive rt-PCR results for SARS-CoV-2 infection were reported from early in the epidemic.1
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Clinical characteristics of 51,815 patients presenting with positive and negative SARS-CoV-2 swab results in primary health care settings: Priority populations for vaccination
(
Elsevier
, 2021 , Article)
We read with interest Brendish et al. study on the comparison between patients with SARS-CoV-2 positive and negative swab results.1
The study compared the clinical characteristics of adult hospitalised patients with ...
Combination of Angiotensin (1-7) Agonists and Convalescent Plasma as a New Strategy to Overcome Angiotensin Converting Enzyme 2 (ACE2) Inhibition for the Treatment of COVID-19
(
Frontiers
, 2021 , Article)
Coronavirus disease-2019 (COVID-19) pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is currently the most concerning health problem worldwide. SARS-CoV-2 infects cells by binding to ...
Impact of product innovativeness on technology switching in global market
(
Emerald Group Holdings Ltd.
, 2021 , Article)
Purpose: The purpose of this paper is to explore the relationship between product innovativeness and the process of technology switching. This issue is important for two reasons: (1) in mature markets, the only way to ...
Protein tyrosine phosphatase 1B inhibition improves endoplasmic reticulum stress-impaired endothelial cell angiogenic response: A critical role for cell survival
(
Spandidos publications
, 2021 , Article)
Endoplasmic reticulum (ER) stress contributes to endothelial dysfunction, which is the initial step in atherogenesis. Blockade of protein tyrosine phosphatase (PTP)1B, a negative regulator of insulin receptors that is ...
Analysis of novel regenerative thermo-mechanical refrigeration system integrated with isobaric engine
(
American Society of Mechanical Engineers
, 2021 , Article)
Refrigerants of the conventional cooling systems contribute to global warming and ozone depletion significantly, therefore it is necessary to develop new cooling systems that use renewable energy resources and waste heat ...
Supercritical Carbon Dioxide Power Cycle Integrated with Solar Power Tower and Oxy-Combustor
(2021 , Conference Paper)
Power cycle that integrates solar power tower (SPT) system with direct oxy-combustion (DOC) supercritical CO2 cycle is proposed and investigated. In the SPT/DOC-sCO2 cycle (Cyc 3), the SPT works as preheater for the DOC/sCO2 ...