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Fenton reaction-driven pro-oxidant synergy of ascorbic acid and iron oxide nanoparticles in MIL-88B(Fe)статья
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 31 июля 2024 г.
- Авторы: Bondarenko Lyubov, Baimuratova Rose, Dzeranov Artur, Pankratov Denis, Kicheeva Arina, Sushko Ekaterina, Kudryasheva Nadezhda, Valeev Rishat, Tropskaya Natalya, Dzhardimalieva Gulzhian, Kydralieva Kamila
- Журнал: New Journal of Chemistry
- Том: 48
- Год издания: 2024
- Издательство: Royal Society of Chemistry
- Местоположение издательства: United Kingdom
- Первая страница: 10142
- Последняя страница: 10160
- DOI: 10.1039/d4nj00963k
- Аннотация: MIL-88B, a promising Fe-based 3D porous metal-organic framework (MOF) catalyst for the Fenton reaction, requires modifications to enhance its pro-oxidant activity and enable magnetic control of the sample. This study reports the successful modification of MIL-88B with iron oxide (Fe3O4) and ascorbic acid (AA). The characterization of the crystal structure and morphology of the Fe3O4-AA MOF sample using X-ray diffraction, Raman and Mössbauer spectroscopy, and scanning electron microscopy revealed that AA facilitated the formation of magnetite with a composition approaching stoichiometry (Fe2.96O4) while preserving the MOF structure. Specifically, in the presence of hydrogen peroxide (H2O2), Fe3O4-AA-MOF exhibited a 3-fold increase in the rate of the Fenton reaction rate for methylene blue degradation compared to the conventional homogeneous system at pH 4.5. Furthermore, Fe3O4-AA-MOF retained the antibacterial properties of AA, as evidenced by its ability to increase reactive oxygen species in luminescent marine bacterium Photobacterium phosphoreum at low concentrations while exhibiting moderate cytotoxicity. The enhanced pro-oxidant activity of the Fe3O4-AA-MOF/H2O2 system is attributed to an AA-promoted surface Fe²⁺/Fe³⁺ cycle. A possible mechanism for this system is proposed.
- Добавил в систему: Валеев Ришат Галеевич