Browsing Biomedical Sciences by Title
Now showing items 614-633 of 882
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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)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 ... -
Parental knowledge and attitudes toward genetic counseling and childhood genetic testing for congenital anomalies in Qatar
( Wiley , 2025 , Article)This study aims to evaluate parental knowledge and attitudes toward genetic counseling and testing in the context of pediatric plastic surgery in Qatar. It assesses baseline knowledge to identify educational gaps and factors ... -
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 ... -
Pathogenic mechanisms, diagnostic, and therapeutic potential of microvesicles in diabetes and its complications
( Elsevier , 2024 , Article Review)Extracellular vesicles (EVs), particularly microvesicles (MVs), have gained significant attention for their role as mediators of intercellular communication in both physiological and pathological contexts, including diabetes ... -
PBA 23: Nanoencapsulation of Thymol Mitigates its Toxicity in Cells and Zebrafish Embryos
( College of Education, Qatar University , 2025 , Conference)Thymol, a monoterpenoid and a major boactive constituent of essential oils (EOs) derived from the plants of Lamiacea species such as Thyme, has garnered wider research interest for its diverse pharmaceutical, food, and ... -
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 ... -
Pharmacometabolomics of sulfonylureas in patients with type 2 diabetes: a cross-sectional study
( Frontiers Media SA , 2024 , Article)Background: Sulfonylureas have been a longstanding pharmacotherapy in the management of type 2 diabetes, with potential benefits beyond glycemic control. Although sulfonylureas are effective, interindividual variability ... -
Phase II Non-parametric and Semi-parametric Profile Monitoring
(2021 , Master Thesis)The emergence of new technologies, as well as the availability of large amounts of information related to quality measurements, have shed the light to a new type of response characteristic called profile. Profiles are ... -
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, ... -
Phytochemical Composition and Anticancer Properties of Haplophyllum tuberculatum Growing in Qatar and Oman Against Human Triple-Negative Breast Cancer Cells
( Qatar University , 2025 , Poster)Introduction: Breast cancer ranks as the most frequently diagnosed cancer globally, with the triple-negative breast cancer (TNBC) subtype linked to a notably poor prognosis. The absence of optimal therapeutic regimens ... -
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 ...
