تصفح حسب المؤلف "n 2011201098"
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Can commercial automated immunoassays be utilized to predict neutralizing antibodies after SARS-CoV-2 infection? A comparative study between three different assays.
Ismail, Ahmed; Shurrab, Farah M; Al-Jighefee, Hadeel T; Al-Sadeq, Duaa W; Qotba, Hamda; ... more authors ( IMR , 2021 , Article)Background: High-throughput assays that can infer neutralizing activity against SARS-CoV-2 are of great importance for assessing the immunity induced by natural infection and COVID-19 vaccines. We aimed to evaluate the ... -
Comparison of antibody immune responses between BNT162b2 and mRNA-1273 SARS-CoV-2 vaccines in naïve and previously infected individuals.
Al-Sadeq, Duaa W; Shurrab, Farah M; Ismail, Ahmed; Amanullah, Fathima Humaira; Thomas, Swapna; ... more authors ( Oxford University Press , 2021 , Article)Two mRNA vaccines, Pfizer-BNT162b2 and Moderna-mRNA-1273, obtained the Emergency Use Listing by WHO for preventing COVID-19. However, little is known about the difference in antibody responses induced by these two mRNA ... -
Comparison of intestinal parasitic infection in newly arrived and resident workers in Qatar.
Abu-Madi, Marawan A; Behnke, Jerzy M; Ismail, Ahmed; Al-Olaqi, Nada; Al-Zaher, Kefah; ... more authors ( BioMed Central , 2011 , Article)The rapid growth of Qatar in the last two decades has been associated with an enormous expansion of building programs in its cities and in the provision of new service industries. This in turn has attracted a large influx ... -
Coproscopy and molecular screening for detection of intestinal protozoa
Abu-Madi, Marawan; Boughattas, Sonia; Behnke, Jerzy M; Sharma, Aarti; Ismail, Ahmed ( BioMed Central , 2017 , Article)Intestinal parasitosis is one of several health concerns about immigrants who travel from endemic to non-endemic regions. Reliable rapid sensitive diagnostic tools, for use in non-endemic regions, are urgently required to ... -
Cryptosporidium spp., prevalence, molecular characterisation and socio-demographic risk factors among immigrants in Qatar.
Boughattas, Sonia; Behnke, Jerzy M; Al-Sadeq, Duaa; Ismail, Ahmed; Abu-Madi, Marawan; ... more authors ( Public Library of Science , 2019 , Article)The World Health Organization WHO has estimated that in developed countries, up to 30% of the population may suffer from foodborne diseases each year, and that in developing countries up to 2 million deaths per annum can ... -
Dynamics of Anti-S IgG Antibodies Titers after the Second Dose of COVID-19 Vaccines in the Manual and Craft Worker Population of Qatar
Bansal, Devendra; Atia, Hassan; Al Badr, Mashael; Nour, Mohamed; Abdulmajeed, Jazeel; ... more authors ( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)There is limited seroepidemiological evidence on the magnitude and long-term durability of antibody titers of mRNA and non-mRNA vaccines in the Qatari population. This study was conducted to generate evidence on long-term ... -
Evaluation of the mindray CL900i CLIA HIV Ag/Ab combo assay for sensitive and specific HIV screening compared to established methods.
K Nasrallah, Gheyath; Younes, Nadin; Khalid, Hadiya M; Al-Emadi, Jawaher A; Younes, Salma; ... more authors ( Springer Nature , 2024 , Article)Architect-HIV Ag/Ab combo chemiluminescence assay is globally recognized for its sensitivity but has a notable false-positive rate. In this study, we aim to evaluate the performance of a new cost-effective screening ... -
Percutaneous nephrolithotomy in supine position with less than 24-hour hospital stay; a single-center experience
Salah, Morshed; Tallai, Bela; Gul, Tawiz; Aboumarzouk, Omar; Alrayashi, Maged; ... more authors ( Taylor & Francis , 2023 , Article)Objectives: To report our initial experience of day care percutaneous nephrolithotomy (PCNL) with early hospital discharge within less than 24 hours of the procedure. Patients and Methods: The files of patients treated ... -
Prevalence of antibiotic resistant Escherichia coli isolates from fecal samples of food handlers in Qatar
Eltai, Nahla O; Yassine, Hadi M.; Al Thani, Asmaa A.; Abu Madi, Marwan A.; Ismail, Ahmed; ... more authors ( BioMed Central , 2018 , Article)Background: It is well documented that food handlers harbor and shed enteric foodborne pathogens causing foodborne disease outbreaks. However, little known on enteric antibiotic resistant (AR) bacteria carriage in ... -
Validation of a Novel Fluorescent Lateral Flow Assay for Rapid Qualitative and Quantitative Assessment of Total Anti-SARS-CoV-2 S-RBD Binding Antibody Units (BAU) from Plasma or Fingerstick Whole-Blood of COVID-19 Vaccinees
Younes, Nadin; Al-Sadeq, Duaa W.; Shurrab, Farah M.; Zedan, Hadeel T.; Abou-Saleh, Haissam; ... more authors ( MDPI , 2022 , Article)Background: Limited commercial LFA assays are available to provide a reliable quantitative measurement of the total binding antibody units (BAU/mL) against the receptor-binding domain of the SARS-CoV-2 spike protein (S-RBD). ...











