Zobrazeno 1 - 10
of 1 049
pro vyhledávání: '"Abdel Majid A"'
Autor:
Abdulrahman A. Almehizia, Ahmed M. Naglah, Mohamed A. Al-Omar, Mashooq A. Bhat, Fhdah S. Alanazi, Fatimah A. Alotaibi, Asma S. Al-Wasidi, Moamen S. Refat, Abdel Majid A. Adam
Publikováno v:
Crystals, Vol 13, Iss 8, p 1166 (2023)
Chenodeoxycholic acid (CA) is a naturally occurring bile acid that is produced in the liver from cholesterol. Three CA complexes using Zn(II), Mg(II), and Ca(II) ions were synthesized to examine the chelation tendencies of CA towards these metal ions
Externí odkaz:
https://doaj.org/article/3a20a7cb21b54f348649555dc0942c4b
Autor:
Abdulrahman A. Almehizia, Mohamed A. Al-Omar, Ahmed M. Naglah, Mashooq A. Bhat, Razan Eskandrani, Fatimah A. Alotaibi, Moamen S. Refat, Abdel Majid A. Adam
Publikováno v:
Crystals, Vol 13, Iss 7, p 1078 (2023)
Lomefloxacin (F1) and pefloxacin (F2) have a broad spectrum of antimicrobial activities against gram-positive and gram-negative bacteria. In this study, we investigated the complexation mode, morphological, and biological properties of four metal-bas
Externí odkaz:
https://doaj.org/article/3c52ffcda00442e4a043b24a1a9e187a
Autor:
Abdulrahman A. Almehizia, Mohamed A. Al-Omar, Ahmed M. Naglah, Mashooq A. Bhat, Fhdah S. Alanazi, Fatimah A. Alotaibi, Moamen S. Refat, Abdel Majid A. Adam
Publikováno v:
Crystals, Vol 13, Iss 7, p 1012 (2023)
The chemical reaction between quinolone antibiotic oxolinic acid (OA) and Fe(III), Zn(II), Ca(II), and Mg(II) ions results in the formation of metal-based complexes with the following formulas: [Fe(OA)(H2O)2Cl2]·2H2O, [Zn(OA)(H2O)Cl]·2H2O, [Ca(OA)(
Externí odkaz:
https://doaj.org/article/23da418f90734c13a4ebd05760da4b46
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
Publikováno v:
Crystals, Vol 12, Iss 10, p 1355 (2022)
Ferric chloride salt (FeCl3) is a typical vacant orbital acceptor that accepts electrons from urea molecules. This donor-acceptor interaction yields a Fe3O4 oxide, which can be used for preparing novel adsorbent material. Activated carbon (AC) materi
Externí odkaz:
https://doaj.org/article/2c3746f3fb0f4007988d541b1b9c3fc5
Autor:
Abdel Majid A. Adam, Tariq A. Altalhi, Hosam A. Saad, Amnah M. Alsuhaibani, Moamen S. Refat, Mohamed S. Hegab
Publikováno v:
Data in Brief, Vol 36, Iss , Pp 107092- (2021)
This data article is related to a research paper entitled ''Correlations between spectroscopic data for charge-transfer complexes of two artificial sweeteners, aspartame and neotame, generated with several π-acceptors'' [J. Mol. Liq. 333 (2021) 1159
Externí odkaz:
https://doaj.org/article/a069f0f1885444beaefdfab61550fa9d
Publikováno v:
Data in Brief, Vol 36, Iss , Pp 107137- (2021)
This article is related to a research paper entitled “Exploring the charge-transfer chemistry of fluorine-containing pyrazolin-5-ones: The complexation of 1-methyl-3-trifluoromethyl-2-pyrazoline-5-one with five π-acceptors” [J. Mol. Liq. 331 (20
Externí odkaz:
https://doaj.org/article/5d401a94607d4937a2bd9d33a910712f
Autor:
Moamen S. Refat, Ahmed Gaber, Yusuf S. Althobaiti, Hussain Alyami, Walaa F. Alsanie, Sonam Shakya, Abdel Majid A. Adam, Mohamed I. Kobeasy, Kareem A. Asla
Publikováno v:
Molecules, Vol 27, Iss 13, p 4311 (2022)
New Cu(II), Ni(II), Co(II), and Mn(II) complexes of the gabapentin (Gpn) bidentate drug ligand were synthesized and studied using elemental analyses, melting temperatures, molar conductivity, UV–Vis, magnetic measurements, FTIR, and surface morphol
Externí odkaz:
https://doaj.org/article/ac9cff125ae24a99a2ccc772e6578588
Autor:
Moamen S Refat, Reham Z Hamza, Abdel Majid A Adam, Hosam A Saad, Adil A Gobouri, Fatimah S Al-Harbi, Fawziah A Al-Salmi, Tariq Altalhi, Samy M El-Megharbel
Publikováno v:
PLoS ONE, Vol 16, Iss 3, p e0246265 (2021)
Medicinal uses and applications of metals and their complexes are of increasing clinical and commercial importance. The ligation behavior of quercetin (Q), which is a flavonoid, and its Zn (II) (Q/Zn) complex were studied and characterized based on e
Externí odkaz:
https://doaj.org/article/7366c2573f1f45e0afd3375a62680ec1