Synthesis of Selenium(0) and Zinc(II) Biomolecules in Nano-Structured Forms as New Antioxidant Agents: Chemical and Biological Studies
- Авторлар: Altalhi T.1, Kobeasy M.1,2, Gobouri A.1, Al Shehry G.1, Aljuhani E.3, Refat M.1,4
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Мекемелер:
- Chemistry Department, Faculty of Science
- Department of Biochemistry, Faculty of Agriculture
- Department of Chemistry, Faculty of Applied Science
- Department of Chemistry, Faculty of Science
- Шығарылым: Том 89, № 4 (2019)
- Беттер: 800-805
- Бөлім: Article
- URL: https://journals.rcsi.science/1070-3632/article/view/222875
- DOI: https://doi.org/10.1134/S1070363219040261
- ID: 222875
Дәйексөз келтіру
Аннотация
In this paper, two new complexes of selenium caffeine, [Se(Caf)4], and zinc α-tocopherol, [Zn(α-Tpl)2(NO3)2], are synthesized. The structures of complexes are characterized by IR, Raman and 1H NMR spectra, scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray powder diffraction (XRD), and thermogravimetric (TG/DTG) analysis. According to conductivity measurements the complexes are non-electrolytes. Spectroscopic studies of Se0 caffeine complex indicate its monodentate coordination via nitrogen atom N9 at 1: 4 molar ratio metal-to-ligand. In [Zn(α-Tpl)2(NO3)2], α-Tpl chelate is coordinated as a monodentate ligand via oxygen atom of the hydroxyl group with 1: 2 metal-to-ligand molar ratio. The percentage scavenging activity of hydroxyl radical (IC50 = 0.21 and 0.32 µg/mL), DPPH (0.17 and 0.30 µg/mL) and superoxide anion scavenging activity (0.18 and 0.32 µg/mL) indicate that selenocaffeine complex is of higher potential antioxidant activity than zinc(II) α-tocopherol complex.
Негізгі сөздер
Авторлар туралы
T. Altalhi
Chemistry Department, Faculty of Science
Email: msrefat@yahoo.com
Сауд Арабиясы, Al-Hawiah, Taif, 21974
M. Kobeasy
Chemistry Department, Faculty of Science; Department of Biochemistry, Faculty of Agriculture
Email: msrefat@yahoo.com
Сауд Арабиясы, Al-Hawiah, Taif, 21974; Giza
A. Gobouri
Chemistry Department, Faculty of Science
Email: msrefat@yahoo.com
Сауд Арабиясы, Al-Hawiah, Taif, 21974
G. Al Shehry
Chemistry Department, Faculty of Science
Email: msrefat@yahoo.com
Сауд Арабиясы, Al-Hawiah, Taif, 21974
Enas Aljuhani
Department of Chemistry, Faculty of Applied Science
Email: msrefat@yahoo.com
Сауд Арабиясы, Makkah, 21955
M. Refat
Chemistry Department, Faculty of Science; Department of Chemistry, Faculty of Science
Хат алмасуға жауапты Автор.
Email: msrefat@yahoo.com
Сауд Арабиясы, Al-Hawiah, Taif, 21974; Port Fuad