COVID-19 Research: Recent submissions
Now showing items 501-520 of 822
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Increased Receptor Affinity and Reduced Recognition by Specific Antibodies Contribute to Immune Escape of SARS-CoV-2 Variant Omicron
( MDPI , 2022 , Article)In this report, we mechanistically reveal how the Variant of Concern (VOC) SARS-CoV-2 Omicron (B.1.1.529) escapes neutralizing antibody responses, by physio-chemical characterization of this variant in comparison to the ... -
The expression level of angiotensin-converting enzyme 2 determines the severity of COVID-19: lung and heart tissue as targets
( Taylor and Francis Ltd. , 2020 , Article)Researchers have reported some useful information about the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) leading to CoV disease 2019 (COVID-19). Several studies have been performed in order to develop ... -
Development of remdesivir repositioning as a nucleotide analog against COVID-19 RNA dependent RNA polymerase
( Taylor and Francis Ltd. , 2020 , Article)Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative representative of a severe respiratory illness resulted in widespread human infections and deaths in nearly all of the countries since late 2019. ... -
A review on the cleavage priming of the spike protein on coronavirus by angiotensin-converting enzyme-2 and furin
( Taylor and Francis Ltd. , 2021 , Article)The widespread antigenic changes lead to the emergence of a new type of coronavirus (CoV) called as severe acute respiratory syndrome (SARS)-CoV-2 that is immunologically different from the previous circulating species. ... -
Exploring the interaction of quercetin-3-O-sophoroside with SARS-CoV-2 main proteins by theoretical studies: A probable prelude to control some variants of coronavirus including Delta
( Elsevier B.V. , 2021 , Article)The aim of this study was to investigate the mechanism of interaction between quercetin-3-O-sophoroside and different SARS-CoV-2?s proteins which can bring some useful details about the control of different variants of ... -
Increased complications of COVID-19 in people with cardiovascular disease: Role of the renin-angiotensin-aldosterone system (RAAS) dysregulation
( Elsevier Ireland Ltd , 2022 , Article)The rapid spread of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) that causes coronavirus disease 2019 (COVID?19), has had a dramatic negative impact on public health and economies worldwide. Recent studies ... -
Cancer services during the covid-19 pandemic: Systematic review of patient's and caregiver's experiences
( Dove Medical Press Ltd , 2021 , Article)Purpose: Cancer patients have faced intersecting crises during the COVID-19 pandemic. This review aimed to examine patients and caregivers experiences of accessing cancer services during the pandemic and its perceived ... -
Covid -19 lockdown-challenges to higher education in qatar
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)Covid 19 is a pandemic disease and it has spread all over the world. Due to the concern for the health of students, colleges and school authorities all over the world have decided to close the education institution and ... -
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 ... -
Mortality prediction utilizing blood biomarkers to predict the severity of COVID-19 using machine learning technique
( MDPI , 2021 , Article)Healthcare researchers have been working on mortality prediction for COVID-19 patients with differing levels of severity. A rapid and reliable clinical evaluation of disease intensity will assist in the allocation and ... -
Pose-invariant face recognition with multitask cascade networks
( Springer Science and Business Media Deutschland GmbH , 2022 , Article)In this work, a face recognition method is proposed for face under pose variations using a multitask convolutional neural network (CNN). Furthermore, a pose estimation method followed by a face identification module is ... -
ANFIS-Net for automatic detection of COVID-19
( Nature Research , 2021 , Article)Among the most leading causes of mortality across the globe are infectious diseases which have cost tremendous lives with the latest being coronavirus (COVID-19) that has become the most recent challenging issue. The extreme ... -
A review of deep learning-based detection methods for COVID-19
( Elsevier Ltd , 2022 , Article)COVID-19 is a fast-spreading pandemic, and early detection is crucial for stopping the spread of infection. Lung images are used in the detection of coronavirus infection. Chest X-ray (CXR) and computed tomography (CT) ... -
BEMD-3DCNN-based method for COVID-19 detection
( Elsevier Ltd , 2022 , Article)The coronavirus outbreak continues to spread around the world and no one knows when it will stop. Therefore, from the first day of the identification of the virus in Wuhan, China, scientists have launched numerous research ... -
A Transformative State in the Wake of COVID-19: What Is Needed to Enable Innovation, Entrepreneurship, and Education in Qatar?
( MDPI , 2022 , Article)Economic diversification is vital in achieving sustainable economic development, especially for countries relying on nonrenewable natural resources, such as oil and gas, in the case of the Gulf Cooperation Council (GCC) ... -
Soluble ACE2 and angiotensin II levels are modulated in hypertensive COVID-19 patients treated with different antihypertension drugs.
( Taylor and Francis , 2022 , Article)This study examines the effect of antihypertensive drugs on ACE2 and Angiotensin II levels in hypertensive COVID-19 patients. Hypertension is a common comorbidity among severe COVID-19 patients. ACE2 expression can be ... -
Periodontitis and coronavirus disease 2019
( Wiley , 2022 , Article Review)The coronavirus disease 2019 caused by severe acute respiratory syndrome coronavirus 2 is usually a mild condition; however, in some cases it can result in severe sickness and even death. Thus, understanding the reasons ... -
Association between periodontitis and severity of COVID-19 infection: A case–control study
( Wiley , 2021 , Article)Aim: COVID-19 is associated with an exacerbated inflammatory response that can result in fatal outcomes. Systemic inflammation is also a main characteristic of periodontitis. Therefore, we investigated the association of ... -
ANN-Based traffic volume prediction models in response to COVID-19 imposed measures
( Elsevier , 2022 , Article)Many countries around the globe have imposed several response measures to suppress the rapid spread of the COVID-19 pandemic since the beginning of 2020. These measures have impacted routine daily activities, along with ... -
Assessment of the Neutralizing Antibody Response of BNT162b2 and mRNA-1273 SARS-CoV-2 Vaccines in Naïve and Previously Infected Individuals: A Comparative Study
( MDPI , 2022 , Report)The currently authorized mRNA COVID-19 vaccines, Pfizer-BNT162b2 and Moderna-mRNA-1273, offer great promise for reducing the spread of the COVID-19 by generating protective immunity against SARS-CoV-2. Recently, it was ...