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Akademický článek

Predictors of severity and development of critical illness of Egyptian COVID-19 patients: A multicenter study.

Autor: Dalia Omran, Mohamed Al Soda, Eshak Bahbah, Gamal Esmat, Hend Shousha, Ahmed Elgebaly, Muhammad Abdel Ghaffar, Mohamed Alsheikh, Enass El Sayed, Shimaa Afify, Samah Abdel Hafez, Khaled Elkelany, Ayman Eltayar, Omnia Ali, Lamiaa Kamal, Ahmed Heiba

Publikováno v: PLoS ONE, Vol 16, Iss 9, p e0256203 (2021)

ObjectivesWe conducted the present multicenter, retrospective study to assess the epidemiological, clinical, laboratory, and radiological characteristics associated with critical illness among patients with COVID-19 from Egypt.MethodsThe present stud

Externí odkaz: https://doaj.org/article/6415293d2d2541d8bd68e5d004da87ec

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Akademický článek

Functionalized Fe3O4 Magnetic Nanoparticle Potentiometric Detection Strategy versus Classical Potentiometric Strategy for Determination of Chlorpheniramine Maleate and Pseudoephedrine HCl

Autor: Azza A. Moustafa, Maha A. Hegazy, Dalia Mohamed, Omnia Ali

Publikováno v: Journal of Analytical Methods in Chemistry, Vol 2019 (2019)

Nanosized adsorbents when used in potentiometric methods of analysis usually show better performance rather than the traditional potentiometric approach; this is attributed to the high specific surface area of the nanomaterial used in addition to the

Externí odkaz: https://doaj.org/article/0bcbd9494fe942b3bafcbb8c3f7baa44

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Akademický článek

Preparation of Modified Kaolin Filler with Cesium and Its Application in Security Paper

Autor: Houssni El-Saied, Samya El-Sherbiny, Omnia Ali, Wafaa El-Saied, Said Rohyem

Publikováno v: Advances in Materials Science and Engineering, Vol 2013 (2013)

In this study, cesium was added intentionally during paper manufacture for protecting the papers against forgery and counterfeiting by sorbing cesium ions (Cs+) on kaolin, used as special filler in papermaking. The sorption of cesium from aqueous sol

Externí odkaz: https://doaj.org/article/00dfd949561c448fa3240270c89fc124

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Abstract P5-10-06: Arginine- depleting enzyme, pegylated arginase, isolated from beef-liver tissue induces growth inhibition, apoptosis, cell cycle arrest and inhibits induced mammary tumors: A promising strategy for human breast cancer treatment in vitro and in vivo

Autor: Islam Yahiya, Asmaa Ali, Omnia Ali, Ahmed Sultan

Publikováno v: Cancer Research. 82:P5-10

Arginine auxotrophy occurs in certain tumor types, renders tumors vulnerable to treatment with arginine-degrading enzymes, and leads to their rapid demise. Arginine is a semi-essential amino acid but is essential for rapidly proliferating cells. Thus

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::69e628b56666a081c74fb59f64fa2931
https://doi.org/10.1158/1538-7445.sabcs21-p5-10-06

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Comparative Study between Ivabradine Versus Bisoprolol Effects for Heart Rate Control on Hemodynamics and Clinical Outcomes in Patients with Septic Shock

Autor: Ahmed Mohammed Hamed, Magdy Elsaid Elbably, Hesham Elsaid Elashry, Omnia Ali El-Miseery

Publikováno v: Journal of Advances in Medicine and Medical Research. :58-68

Background: Septic shock is associated with excessive sympathetic outflow, high plasma catecholamine levels, myocardial depression, vascular hypo-reactivity, and autonomic dysfunction. Typically, patients have a low resistance, high cardiac output ci

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b70a6815d4ca1c74c66dfcdb86a82419
https://doi.org/10.9734/jammr/2021/v33i1330955

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Determination of Uranium Isotopic Ratios by Alpha Spectrometry for Nuclear Materials Control Purposes

Autor: Raed Moustafa Abdelgaber Abouzeid, Ahmed Mohamed Tharwat El-Sharkawy, Hany Ibrahim Khedr, Abd El Hakim Taha Kandil, Omnia Ali

Publikováno v: Arab Journal of Nuclear Sciences and Applications. :1-7

Uranium is the most common element in the nuclear fuel cycle. Different techniques have been used for analyzing the isotopic composition of uranium. Precise determination of uranium isotopic ratios for an efficient control of nuclear material was car

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::91795c20c796832e239c23f2d8b78456
https://doi.org/10.21608/ajnsa.2020.21370.1324

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Synthesis, characterisation and application of ZnO-bentonite nanocomposite for preconcentration and spectrophotometric determination of trace amounts of bromocresol purple in water and wastewater samples

Autor: Eman A. El Menofy, Omnia Ali, Abdel Hakim H. T. Kandil

Publikováno v: International Journal of Environmental Analytical Chemistry. 100:746-763

ZnO nanocomposite was synthesised by immobilisation of ZnO nanoparticles on sodium bentonite surface and the prepared nanocomposite (nZnO-Bn) was used to remove, preconcentrate and to determine spe...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ae31117b398c148ee49e5930a39c5194
https://doi.org/10.1080/03067319.2019.1639689

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Abstract 6332: Pegylated arginase isolated from beef liver tissue inhibited cell proliferation, induced apoptosis & inhibits induced mammary tumors in human breast cancer in vitro & in vivo

Autor: Asmaa Ali, Omnia Ali, Doaa Othman, Ahmed Sultan

Publikováno v: Cancer Research. 82:6332-6332

Arginase, an enzyme of the urea cycle, converts L-arginine to L-ornithine, which is the precursor of polyamines that are essential components of cell proliferation. However, Arginine deprivation and Arginase clinical implications in human breast and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f607a562774169d10f1a50e4a37d993a
https://doi.org/10.1158/1538-7445.am2022-6332

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