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Aqueous Dispersions of Unmodified Y@C82 (C2v) Endohedral Metallofullereneстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 26 февраля 2018 г.
- Авторы: Mikheev Ivan V., Kareev Ivan E., Bubnov Vyacheslav P., Volkov Dmitriy S., Korobov Mikhail V., Proskurnin Mikhail A.
- Журнал: ChemistrySelect
- Том: 2
- Номер: 28
- Год издания: 2017
- Первая страница: 8936
- Последняя страница: 8940
- DOI: 10.1002/slct.201701557
- Аннотация: Aqueous dispersions of unmodified (pristine) (AFD) nY@C82 (symmetry C2v) endofullerene were produced with a nearly 100% yield relative to the initial toluene solution of the endofullerene. To the best of our knowledge, this is the first report of this kind of endofullerene aqueous dispersions. The solvent-exchange ultrasound-assisted procedure requires no modification of the endofullerene surface or addition of any stabilizing agents into the aqueous phase. The procedure is applicable to any endohedral metallofullerene aqueous dispersions suitable for biomedical applications. The resulting dispersions are stable for at least 6 months. For the produced aqueous dispersions of Y@C82, the zeta potential of ca. –42 mV shows good stability; the average diameter of clusters was as small as ca. 120 nm. Techniques for purification and purity control of nY@C82 and of the intermediate toluene solution of Y@C82 were developed. The residual quantity of organic compounds was less than 1 ppb after the purification. Based on ICP–AES, headspace GC–MS, and MALDI–TOF, a procedure to assess endofullerene concentrations in the aqueous phase was proposed.
- Добавил в систему: Волков Дмитрий Сергеевич
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