Zobrazeno 1 - 10
of 413
pro vyhledávání: '"A. Y. El-Sayed"'
Autor:
Yasser A. El-Ossaily, Nuha M. M. Alanazi, Ibrahim O. Althobaiti, Hamud A. Altaleb, Nayef S. Al-Muailkel, Mohamed Y. El-Sayed, Modather F. Hussein, I. M. Ahmed, Maha M. Alanazi, Ahmed Fawzy, Shaban A. A. Abdel-Raheem, Mahmoud S. Tolba
Publikováno v:
Current Chemistry Letters, Vol 13, Iss 1, Pp 127-140 (2024)
Pyrazolones are a class of heterocyclic compounds that contain a pyrazole ring fused to a ketone group. Recent scientific research has focused extensively on the potential anti-inflammatory properties of pyrazolone compounds due to their diverse phar
Externí odkaz:
https://doaj.org/article/b43299fa1af748388eedc139a1d02869
Autor:
Amany Y. El-Sayed, Mahmoud Shehata, Sara H. Mahmoud, Mahmoud ElHefnawi, Dina M. Seoudi, Mohamed A. Ali
Publikováno v:
Microbiology Research, Vol 14, Iss 4, Pp 1687-1701 (2023)
The Middle East respiratory syndrome coronavirus (MERS-CoV) was first isolated from a patient with acute pneumonia and renal failure in Saudi Arabia in 2012. By July 2023, MERS-CoV had resulted in 2605 human cases worldwide, causing a fatality rate o
Externí odkaz:
https://doaj.org/article/7691ca0ff8f24c51b43a2fd621632012
Autor:
Alaa M. Younis, Said Hanafy, Eman M. Elkady, Mahmoud A. Ghandour, Abdel-Aziz Y. El-Sayed, Fahad M. Alminderej
Publikováno v:
Arabian Journal of Chemistry, Vol 16, Iss 9, Pp 104999- (2023)
This study investigated the concentrations of 16 polycyclic aromatic hydrocarbons (PAHs) in sediments from the shoreline of the Red Sea. 16 PAH concentrations ranged from 1.43 to 4990.69 µg/g dry weight to 1.64 to 6397.69 µg/g dry weight during spr
Externí odkaz:
https://doaj.org/article/6888600f195642e28736c0e4597d18fd
Autor:
Nuha M.M. Alanazi, Ibrahim O. Althobaiti, Yasser A. El-Ossaily, Wael A.A. Arafa, Mohamed Y. El-Sayed, Hamud A. Altaleb, Hanaa Y. Ahmed, Mahmoud S. Tolba
Publikováno v:
Arabian Journal of Chemistry, Vol 16, Iss 3, Pp 104543- (2023)
This study demonstrates the design and synthesis of heterocyclic compounds with diverse biological effects. Using an ionic liquid catalyst, a sonosynthetic approach for the assembly of bis-arylidene cycloalkanone derivatives (bis-chalcones) has been
Externí odkaz:
https://doaj.org/article/1f083c426eba4b8782ce2481752f35be
Autor:
Abdulrahman A. Almehizia, Hamad M. Alkahtani, Mohamed A. Al-Omar, Ahmad J. Obaidullah, Mashooq A. Bhat, Lamees S. Alrasheed, Ahmed M. Naglah, Ayman A. O. Younes, Amnah Mohammed Alsuhaibani, Moamen S. Refat, Abdel Majid A. Adam, Mohamed Y. El-Sayed, Kareem A. Asla
Publikováno v:
Crystals, Vol 13, Iss 5, p 728 (2023)
Eight polymer-metal complexes were synthesized from complexation of divalent Mn(II), Ni(II), Co(II), and Cu(II) metal ions with modified polystyrene-alt-(maleic anhydride) (PSMAP and PSMAM) ligands. The structures of these new complexes were characte
Externí odkaz:
https://doaj.org/article/82f7b635c2ed4fc0b07e543fb0a49850
Autor:
Ayman A. O. Younes, Abdel Majid A. Adam, Moamen S. Refat, Asma S. Al-Wasidi, Abdulrahman A. Almehizia, Mohamed A. Al-Omar, Ahmed M. Naglah, Abdulrahman M. Al-Obaid, Hamad M. Alkahtani, Ahmad J. Obaidullah, Mohamed Y. El-Sayed, Kareem A. Asla
Publikováno v:
Crystals, Vol 13, Iss 3, p 367 (2023)
Three new transition-metal complexes were produced by refluxing azodicarbonamide (ADCA) with nickel(II), copper(II), and zinc(II) solutions in a mixture of 50% (v/v) methanol and water. The magnitude of chelation between metal ions and ligand molecul
Externí odkaz:
https://doaj.org/article/4818feebcb6f4bf89f9506a17179c751
Autor:
Bushra, Khalil ur Rehman, Dilfaraz Khan, Abdulrahman A. Almehizia, Ahmed M. Naglah, Asma S. Al-Wasidi, Moamen S. Refat, Mohamed Y. El-Sayed, Hamid Ullah, Shafiullah Khan
Publikováno v:
Molecules, Vol 28, Iss 3, p 1015 (2023)
Terminalia arjuna possesses significant cardioprotective, antidiabetic and antioxidant properties as these properties are described in Ayurveda. In the present study, three flavonoids were isolated through the separation and chromatographic purificat
Externí odkaz:
https://doaj.org/article/0682af6ce0634691a85c143144688ece
Publikováno v:
Port Said Engineering Research Journal, Vol 24, Iss 2, Pp 129-136 (2020)
Simulation and experimental studies of pneumatic cylinder position control are introduced. High speed on-off solenoid air valve is used instead of the proportional control valve. Sliding mode control with error modification, SMCE, is proposed to driv
Externí odkaz:
https://doaj.org/article/ff271f655cf3454d9151f8b861a0b708
Autor:
Mosaed S. Alhumaimess, Ibrahim Hotan Alsohaimi, Hassan M.A. Hassan, Mohamed Y. El-Sayed, Mutairah S. Alshammari, Obaid F. Aldosari, Hamed M. Alshammari, Mahmoud M. Kamel
Publikováno v:
Journal of Saudi Chemical Society, Vol 24, Iss 3, Pp 321-333 (2020)
Due to their structural merits that arise from their stability and high surface area, the layered double hydroxide (LDH) materials have caused strong attention. These characteristics provided intriguing possibilities with improved efficiency for cata
Externí odkaz:
https://doaj.org/article/6526886653604456a28400097941038f
Autor:
Mohamed R. El-Aassar, Tamer M. Tamer, Mohamed Y. El-Sayed, Ahmed M. Omer, Ibrahim O. Althobaiti, Mohamed E. Youssef, Rawan F. Alolaimi, Emam F. El-Agammy, Manar S. Alruwaili, Omar O. Rabhy, Mohamed S. Mohy-Eldin
Publikováno v:
Molecules, Vol 27, Iss 23, p 8418 (2022)
Methylene blue (MB) immobilized onto a sulfonated poly(glycidyl methacrylate) (SPGMA) polymer composite has been developed as a novel adsorbent for water treatment applications. The MB adsorptions onto sulfonated poly(glycidyl methacrylate) polymer c
Externí odkaz:
https://doaj.org/article/6c928bd0ccea4d78947cff22cabdeac9