Browsing Biomedical Research Center by Title
Now showing items 143-162 of 690
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Cytotoxicity and physicochemical characterization of iron–manganese-doped sulfated zirconia nanoparticles
( Dove Press , 2015 , Article)Iron–manganese-doped sulfated zirconia nanoparticles with both Lewis and Brønsted acidic sites were prepared by a hydrothermal impregnation method followed by calcination at 650°C for 5 hours, and their cytotoxicity ... -
A decade of intestinal protozoan epidemiology among settled immigrants in Qatar
( PubMed Central , 2016 , Article)Background: The World Health Organization estimates that about 3.5 billion people worldwide are affected by intestinal parasitic infections. Reports have already emphasized the role of immigrants in outbreaks of ... -
Deep Learning Technique for Congenital Heart Disease Detection Using Stacking-Based CNN-LSTM Models from Fetal Echocardiogram: A Pilot Study
( IEEE , 2023 , Article)Congenital heart defects (CHDs) are a leading cause of death in infants under 1 year of age. Prenatal intervention can reduce the risk of postnatal serious CHD patients, but current diagnosis is based on qualitative criteria, ... -
Demographic and Clinical Characteristics of Early Travel-Associated COVID-19 Cases
( Frontiers Media , 2020 , Article)© Copyright © 2020 Marei, Emara, Elsaied, Nasrallah, Chivese, Al-Romaihi, Althani, Al Thani, Farag and Yassine. Background: SARS-CoV-2 continues to claim hundreds of thousands of people's lives. It mostly affects the elderly ... -
Demographics and Epidemiology of Hepatitis B in the State of Qatar: A Five-Year Surveillance-Based Incidence Study
( MDPI , 2019 , Article)Background: Expatriates represent >80% of Qatar’s population, mostly arriving from countries in Africa and Asia that are endemic with many diseases. This increases the risk for introducing new pathogens into the country ... -
Denaturing Gradient Gel Electrophoresis-Polymerase Chain Reaction Comparison of Chitosan Effects on Anaerobic Cultures of Broiler Cecal Bacteria and Salmonella Typhimurium.
( Mary Ann Liebert , 2018 , Article)Enteropathogen colonization and product contamination are major poultry industry problems. The emergence of antibiotic resistance, and associated risks to human health, is limiting the use of antibiotics as first-line ... -
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 ... -
Design of hybrid clay/ polypyrrole decorated with silver and zinc oxide nanoparticles for anticorrosive and antibacterial applications
( Elsevier , 2020 , Article)In this work, a novel and cost-effective bentonite intercalated with polypyrrole Zinc oxide-silver nanocomposite (B-PPy/ZnO) hybrid material was prepared via in situ photopolymerization of pyrrole in the presence of silanized ... -
Design of Nanoparticulate Group 2 Influenza Virus Hemagglutinin Stem Antigens That Activate Unmutated Ancestor B Cell Receptors of Broadly Neutralizing Antibody Lineages.
( American Society for Microbiology , 2019 , Article)Influenza vaccines targeting the highly conserved stem of the hemagglutinin (HA) surface glycoprotein have the potential to protect against pandemic and drifted seasonal influenza viruses not covered by current vaccines. ... -
Design, synthesis, and validation of novel nitrogen-based chalcone analogs against triple negative breast cancer
( Elsevier Masson s.r.l. , 2020 , Article)Great strides have been made in triple negative breast cancer (TNBC) treatment, which represents 20% of total predicted annual US breast cancer (BC) cases. Despite the development of several therapeutics, TNBC patients ... -
Detection and Genotyping of Torque Teno Virus (TTV) in Healthy Blood Donors and Patients Infected With HBV or HCV in Qatar
( Wiley Periodicals, Inc , 2015 , Article)Torque Teno virus (TTV) has been associated with non A–G hepatitis. The goal of this study was to estimate the infection rates and genotypic characteristics of TTV in the State of Qatar. A total of 644 blood samples ... -
Detection and Phylogenetic Analysis of Human Pegivirus (GBV-C) Among Blood Donors and Patients Infected With Hepatitis B Virus (HBV) in Qatar
( Wiley , 2015 , Article)Human Pegivirus (HPgV), formerly GB virus-C/ Hepatitis G virus (GBV-C/HGV), collectively known as GBV-C, is widely spread and has been reported to be associated with non-A–E hepatitis. To our knowledge, no previous ... -
Detection of antinuclear antibodies targeting intracellular signal transduction, metabolism, apoptotic processes and cell death in critical COVID-19 patients
( Qatar University Press , 2021 , Poster)Background: The heterogeneity of COVID-19 lies within its diverse symptoms and severity, ranging from mild to lethal. Acute respiratory distress syndrome (ARDS) has been shown to be the leading cause of mortality in COVID-19 ... -
Detection of Antinuclear Antibodies Targeting Intracellular Signal Transduction, Metabolism, Apoptotic Processes and Cell Death in Critical COVID-19 Patients
( Universita Cattolica del Sacro Cuore , 2022 , Article)Background and Objectives: The heterogeneity of the coronavirus disease of 2019 (COVID-19) lies within its diverse symptoms and severity, ranging from mild to lethal. Acute respiratory distress syndrome (ARDS) is a leading ... -
Detection of Paracetamol as substrate of the gut microbiome
( University of Karachi, Pharmacy College , 2019 , Article)Gut microbiome, a new organ; represent targets to alter pharmacokinetics of orally administered drugs. Recently, in vitro trials endorsed the idea that orally administered drugs interact and some of their quantity may be ... -
Detection of paracetamol as substrate of the gut microbiome
( Pakistan Journal of Pharmaceutical Sciences , 2019 , Article)Gut microbiome, a new organ; represent targets to alter pharmacokinetics of orally administered drugs. Recently, in vitro trials endorsed the idea that orally administered drugs interact and some of their quantity may be ... -
Detection of SARS-CoV-2 RNA by direct RT-qPCR on nasopharyngeal specimens without extraction of viral RNA.
( Public Library of Science , 2020 , Article)To circumvent the limited availability of RNA extraction reagents, we aimed to develop a protocol for direct RT-qPCR to detect SARS-CoV-2 in nasopharyngeal swabs without RNA extraction. Nasopharyngeal specimens positive ... -
Determination of Medicago orbicularis Antioxidant, Antihemolytic, and Anti-Cancerous Activities and Its Augmentation of Cisplatin-Induced Cytotoxicity in A549 Lung Cancer Cells
( MDPI , 2023 , Article)The anti-lung cancer properties of the plant Medicago orbicularis have not been explored yet. Therefore, we identified its phytochemical composition and investigated the antioxidant, anti-hemolytic, and anti-cancerous ... -
Development and In Vivo Testing of Smart Nanoparticles for Enhanced Anti-Cancer Activity and Reduced Cardiotoxicity Associated with Tyrosine Kinase Inhibitors
( Qatar University Press , 2021 , Poster)Tyrosine kinase inhibitors (TKIs) are new generation of anti-cancer drugs with very high efficiency against cancer cells. However, TKIs are associated with severe cardiotoxicity limiting their clinical benefits. One TKI ... -
Development of Novel Chalcone Analogs as Potential Multi-Targeted Therapies for Castration-Resistant Prostate Cancer
( Qatar University Press , 2021 , Poster)Prostate cancer (PCa) is the second most frequently diagnosed malignancy, as well as a leading cause of cancer-related mortality in men globally. Despite the initial response to hormonal targeted therapy, the majority of ...
