Biomedical Research Center: Recent submissions
Now showing items 241-260 of 727
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Microbiome engineering to combat antimicrobial resistance and upsurge productivity of food animals: a systematic review
( CSIRO Publishing , 2022 , Article)Extensive antimicrobial usage in animal farming plays a prominent role in the antimicrobial resistance (AMR) crisis and is repeatedly highlighted as an area needing development under the ‘One Health’ approach. Alternative ... -
Lipid-lowering therapies for atherosclerosis: Statins, fibrates, ezetimibe and pcsk9 monoclonal antibodies
( Bentham Science Publishers , 2021 , Article Review)Cardiovascular disease (CVD) remains the primary cause of global morbidity and mortality. CVD includes various life-threatening conditions such as myocardial infarction, stroke and peripheral arterial diseases. In this ... -
COVID-19 Disease Severity in Persons Infected with Omicron BA.1 and BA.2 Sublineages and Association with Vaccination Status
( American Medical Association , 2022 , Other)[No abstract available] -
Role of RhoA and Rho-associated kinase in phenotypic switching of vascular smooth muscle cells: Implications for vascular function
( Elsevier , 2022 , Article Review)Cardiovascular disease (CVD) continues to be the primary cause of global mortality. Vascular smooth muscle cells (VSMCs) are integral components of vascular structure and function, evident by their vital roles in modulating ... -
Synthesis and Optimization of a Highly Stable and Efficient BN/TiO2 Nanocomposite for Phenol Degradation: A Photocatalytic, Mechanistic and Environmental Impact Study
( Wiley , 2021 , Article)Different BN/TiO2 nanocomposites were prepared hydrothermally, and their ratio was optimized to get the best photocatalytic performance towards phenol degradation. They were characterized by x-ray photoelectron spectroscopy, ... -
Eco-friendly highly efficient BN/rGO/TiO2 nanocomposite visible-light photocatalyst for phenol mineralization
( Springer , 2021 , Article)Boron nitride (BN) and reduced graphene oxide (rGO) of different loadings were composited with commercial P25 TiO2 (Ti) through the hydrothermal method. The as-prepared nanocomposites were characterized using various ... -
Do preexisting antibodies against seasonal coronaviruses have a protective role against SARS-CoV-2 infections and impact on COVID-19 severity?
( Elsevier , 2022 , Other)Because of the emergence of coronavirus disease 2019 (COVID-19), caused by the novel severe acute respiratory syndrome coronavirus (SARS-CoV-2), many questions remain unresolved regarding the abundance of cross-reactivity ... -
Introduction and expansion of the SARS-CoV-2 B.1.1.7 variant and reinfections in Qatar: A nationally representative cohort study
( Public Library of Science , 2021 , Article)Background The epidemiology of the SARS-CoV-2 B.1.1.7 (or Alpha) variant is insufficiently understood. This study’s objective was to describe the introduction and expansion of this variant in Qatar and to estimate the ... -
Reporting of RT-PCR cycle threshold (Ct) values during the first wave of COVID-19 in Qatar improved result interpretation in clinical and public health settings
( Microbiology Society , 2022 , Article)Introduction. The cycle threshold (Ct) value in real-time PCR (RT-PCR) is where a target-specific amplification signal becomes detectable and can infer viral load, risk of transmission and recovery. Use of Ct values in ... -
Assessing the performance of a serological point-of-care test in measuring detectable antibodies against SARS-CoV-2
( Public Library of Science , 2022 , Article)This study investigated the performance of a rapid point-of-care antibody test, the BioMedomics COVID-19 IgM/IgG Rapid Test, in comparison with a high-quality, validated, laboratory-based platform, the Roche Elecsys ... -
COVID-19 risk score as a public health tool to guide targeted testing: A demonstration study in Qatar
( Public Library of Science , 2022 , Article)We developed a Coronavirus Disease 2019 (COVID-19) risk score to guide targeted RTPCR testing in Qatar. The Qatar national COVID-19 testing database, encompassing a total of 2,688,232 RT-PCR tests conducted between February ... -
Effectiveness of mRNA booster doses against the omicron variant
( Elsevier , 2022 , Other)Since its emergence in November, 2021, the omicron (B.1.1.529) variant of SARS-CoV-2 has rapidly spread and quickly overtaken the delta (B.1.617.2) variant as the most common cause of infection.1 Due to numerous spike ... -
Developmental Toxicity of Surface-Modified Gold Nanorods in the Zebrafish Model
( American Chemical Society , 2022 , Article)Background: nanotechnology is one of the fastest-growing areas, and it is expected to have a substantial economic and social impact in the upcoming years. Gold particles (AuNPs) offer an opportunity for wide-ranging ... -
Impacts on Student Learning and Skills and Implementation Challenges of Two Student-Centered Learning Methods Applied in Online Education
( MDPI , 2022 , Article)Online education became more prevalent during the COVID-19 pandemic in many countries around the world, including the Gulf Cooperation Council (GCC) countries. This study aims at assessing the impacts on learning and skills ... -
Ziziphus nummularia: A Comprehensive Review of Its Phytochemical Constituents and Pharmacological Properties
( MDPI , 2022 , Article Review)Ziziphus nummularia, a small bush of the Rhamnaceae family, has been widely used in traditional folk medicine, is rich in bioactive molecules, and has many reported pharmacological and therapeutic properties. Objective: ... -
Origanum syriacum L. Attenuates the Malignant Phenotype of MDA-MB231 Breast Cancer Cells
( Frontiers Media , 2022 , Article)Breast cancer is the leading cause of cancer-related deaths among women. Among breast cancer types, triple negative breast cancer (TNBC) is the most aggressive, and is resistant to hormonal and chemotherapeutic treatments. ... -
Design and Microinjection of Morpholino Antisense Oligonucleotides and mRNA into Zebrafish Embryos to Elucidate Specific Gene Function in Heart Development
( MyJove Corporation , 2022 , Article)The morpholino oligomer-based knockdown system has been used to identify the function of various gene products through loss or reduced expression. Morpholinos (MOs) have the advantage in biological stability over DNA oligos ... -
Elevated Adipsin and Reduced C5a Levels in the Maternal Serum and Follicular Fluid During Implantation Are Associated With Successful Pregnancy in Obese Women
( Frontiers Media , 2022 , Article)Introduction: Complement factors mediate the recruitment and activation of immune cells and are associated with metabolic changes during pregnancy. The aim of this study was to determine whether complement factors in the ... -
Protection of Omicron sub-lineage infection against reinfection with another Omicron sub-lineage
( Nature Research , 2022 , Article)There is significant genetic distance between SARS-CoV-2 Omicron (B.1.1.529) variant BA.1 and BA.2 sub-lineages. This study investigates immune protection of infection with one sub-lineage against reinfection with the other ... -
A highly sensitive wearable pressure sensor capsule based on PVA/Mxene composite gel
( Springer , 2022 , Article)Wearable sensors have drawn considerable interest in the recent research world. However, simultaneously realizing high sensitivity and wide detection limits under changing surrounding environment conditions remains ...