Browsing Biomedical Sciences by Title
Now showing items 499-518 of 720
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P3. 210 Estimating the antibody prevalence of herpes simplex virus type 2 among select middle east and north africa populations
( BMJ Publishing Group , 2017 , Conference Proceedings)Introduction There are very limited data on herpes simplex virus type 2 (HSV-2) infection in the Middle East and North Africa (MENA). We examined the overall and age-specific HSV-2 antibody prevalence among select MENA ... -
Pathogenic Homocystinuria-Associated T236N Mutation Dramatically Alters the Biochemical Properties of Cystathionine Beta-Synthase Protein
( MDPI , 2024 , Article)Background: Cystathione beta-synthase (CBS) T236N is a novel mutation associated with pyridoxine non-responsiveness, which presents a significant difficulty in the medical treatment of homocystinuria. Reported severe ... -
Performance Analysis of DCT and DWT Algorithms in Image Steganography
( Qatar University Press , 2021 , Poster)Frequency domain techniques such as Discrete Cosine Transform (DCT) and Discrete Wavelet Transform (DWT) ensures high accuracy when compared with the spatial domain techniques. Therefore, these image steganographic methods ... -
Performance evaluation of five commercial assays in assessing seroprevalence of HEV antibodies among blood donors
( Microbiology Society , 2018 , Article)Although hepatitis E virus (HEV) is mainly transmitted via the faecal-oral route, the rate of HEV transmission via blood donation is on the rise. However, the seroprevalence of HEV among blood donors is not well established ... -
Performance evaluation of five ELISA kits for detecting anti-SARS-COV-2 IgG antibodies
( Elsevier , 2020 , Article)ObjectivesTo evaluate and compare the performances of five commercial ELISA assays (EDI, AnshLabs, Dia.Pro, NovaTec, and Lionex) for detecting anti-SARS-CoV-2 IgG. Methods70 negative control samples (collected before the ... -
Performance evaluation of four type-specific commercial assays for detection of herpes simplex virus type 1 antibodies in a Middle East and North Africa population.
( Elsevier , 2018 , Article)The number of diagnostic assays for the detection of herpes simplex virus type 1 (HSV-1) antibodies has increased over the years. However, their performance characteristics could vary among global populations. To investigate ... -
Performance evaluation of novel fluorescent-based lateral flow immunoassay (LFIA) for rapid detection and quantification of total anti-SARS-CoV-2 S-RBD binding antibodies in infected individuals
( Elsevier , 2022 , Article)The vast majority of the commercially available LFIA is used to detect SARS-CoV-2 antibodies qualitatively. Recently, a novel fluorescence-based LIFA test was developed for quantitative measurement of the total binding ... -
Performance of Four Diagnostic Assays for Detecting Herpes Simplex Virus Type 2 Antibodies in the Middle East and North Africa
( Elsevier , 2019 , Article)Background Assessments of commercial assays in detecting herpes simplex virus type 2 (HSV-2) antibodies have shown variable sensitivity and specificity, and variation in performance by global population. Objective To ... -
Pfizer-BioNTech mRNA BNT162b2 Covid-19 vaccine protection against variants of concern after one versus two doses.
( Oxford University Press , 2021 , Article)Strategies for rolling out vaccination against Coronavirus Disease 2019 (Covid-19) varied across countries. A key question is whether delaying administration of the second vaccine dose to vaccinate the largest number of ... -
Physicochemical characterization and cancer cell antiproliferative effect of silver-doped magnesia nanoparticles
( Elsevier , 2023 , Article)Silver-doped magnesia nanoparticles (Ag/MgO) were synthesized using the precipitation method and characterized by various techniques such as X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), thermal ... -
Physicochemical characterization and cancer cell antiproliferative effect of silver-doped magnesia nanoparticles
( Elsevier , 2023 , Article)Silver-doped magnesia nanoparticles (Ag/MgO) were synthesized using the precipitation method and characterized by various techniques such as X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), thermal ... -
Physiological Changes and Interactions Between Microbiome and the Host During Pregnancy
( Frontiers Media , 2022 , Article Review)In recent years, it has become clear that microbiome play a variety of essential roles in human metabolism, immunity, and overall health and that the composition of these microbiome is influenced by our environment, diet, ... -
A pilot study on metabolic syndrome and its associated features among Qatari schoolchildren
( Dove Medical Press , 2011 , Article)Aim: This pilot study aimed to evaluate the individual features of the metabolic syndrome (MeS) and its frequency in Qatari schoolchildren aged 6-12 years. Background: MeS has a strong future risk for development of diabetes ... -
Plasmonic MXene-based nanocomposites exhibiting photothermal therapeutic effects with lower acute toxicity than pure MXene
( DOVE Medical Press , 2019 , Article)Purpose: Here, we fabricated two plasmonic 2D Ti3C2Tx-based nanocomposites (Au/MXene and Au/Fe3O4/MXene) with similarly high anti-cancer photothermal therapy (PTT) capabilities, but with less in vivo toxicity than a pure ... -
Platelets as a Possible Reservoir of HCV And Predictor of Response to Treatment
( SciTechnol , 2016 , Article)In the era of new Hepatitis C Virus (HCV) therapy, and the detection of extrahepatic HCV reservoirs such as peripheral blood mononuclear cells and platelets, it is important to understand the factors underlying resistance ... -
The polymorphism at the microRNA-155 binding site in AGTR1 gene is not significantly associated with rheumatic heart disease in Saudi Arabia population
( Bentham Science Publishers , 2020 , Article)Rheumatic heart disease (RHD) remains a major cause of cardiovascular diseases and the most devastating effects are on children and young adults. RHD is caused due to the interaction between microbial, environmental, ... -
PopPAnTe: population and pedigree association testing for quantitative data.
( BioMed Central , 2017 , Article)Family-based designs, from twin studies to isolated populations with their complex genealogical data, are a valuable resource for genetic studies of heritable molecular biomarkers. Existing software for family-based studies ... -
Population immunity of natural infection, primary-series vaccination, and booster vaccination in Qatar during the COVID-19 pandemic: an observational study
( Elsevier , 2023 , Article)BackgroundWaning of natural infection protection and vaccine protection highlight the need to evaluate changes in population immunity over time. Population immunity of previous SARS-CoV-2 infection or of COVID-19 vaccination ... -
Postprandial insulin and triglyceride concentrations are suppressed in response to breaking up prolonged sitting in Qatari females
( Frontiers Media S.A. , 2019 , Article)Background: Cultural, environmental and logistical factors challenge the Qatari population, particularly females, to engage in physical activity, and there is a high prevalence of diabetes in this population. Sedentary ... -
Potential Adverse Effects of Resveratrol: A Literature Review.
( MDPI , 2020 , Article Review)Due to its health benefits, resveratrol (RE) is one of the most researched natural polyphenols. Resveratrol's health benefits were first highlighted in the early 1990s in the French paradox study, which opened extensive ...
