Graphite Oxide-Based Magnetic Aerogels as Sorbents of Doxorubicin

Eremina, E.A.; Kaplin, A.V.; Rubleva, A.A.; Goodilin, E.A.; Eremin, V.V.

Авторы: Eremina E.A., Kaplin A.V., Rubleva A.A., Goodilin E.A., Eremin V.V.
Журнал: Inorganic Materials
Том: 59
Номер: 3
Год издания: 2023
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Первая страница: 273
Последняя страница: 280
DOI: 10.1134/s0020168523030044
Аннотация: This paper reports novel techniques for the preparation of aerogels based on graphite oxide (GO)and nanocomposites of GO and superparamagnetic iron oxide nanoparticles (GO/Fe3O4) and discusses specific features of the synthesized materials as sorbents of doxorubicin from aqueous solutions. Sorption efficiency of the aerogel based on GO and superparamagnetic iron oxide nanoparticles (GO/Fe3O4) and the GOaerogel has been determined to be about 50 and 85%, respectively. At the same time, one advantage of themagnetic aerogel is that the sorbent can be removed from solution by an external magnetic field. The rate constant is k = 0.042 ± 0.004 min–1 forgraphite oxide and 0.0832 ± 0.018 min–1 for the GO/Fe3O4 nanocomposite. The GO/Fe3O4 composite saturates about a factor of 2 more rapidly than pure GO. Sorption by the magnetic aerogel is an exothermic process. The highest efficiency of sorption from a solution with a concentration of 40 mg/L was 95% at 25°C and60% at 40°C. The present results demonstrate that magnetic graphite aerogels are potentially attractive for useas sorbents and matrices for prolonged-release antitumor drugs
Добавил в систему: Каплин Александр Валерьевич

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