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An Efficient Route to Rattle-Type Fe3O4@SiO2 Hollow Mesoporous Spheres Using Colloidal Carbon Spheres Templates
Abstract
Rattle-type Fe 3 O 4 @SiO 2 hollow mesoporous spheres with large cavities have been successfully prepared by using the colloidal carbon spheres as the templates. The spheres are well monodisperse and nearly uniform in dimension with particle size of ca. 900 nm. The thickness of the mesoporous silica shell is about 100 nm, and only one Fe 3 O 4 particle of ca. 100 nm in diameter is encapsulated in each hollow mesoporous silica sphere. The magnetic measurement indicated that the Fe 3 O 4 @SiO 2 hollow mesoporous spheres exhibited ferromagnetic behavior with the magnetization saturation of 1.6 emu/g. Using aspirin as a model drug, the Fe 3 O 4 @SiO 2 hollow mesoporous spheres showed high drug loading capacity and sustained release property. Therefore, this kind of magnetic hollow mesoporous spheres provides a very promising candidate for application in a targeted drug delivery system.
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Cited by
Hollow‐Structured Mesoporous Materials: Chemical Synthesis, Functionalization and Applications
Li, Y., & Shi, J. (2014) · Advanced Materials · doi:10.1002/adma.201305319 · Cited by 759
Petkovich, N. D., & Stein, A. (2013) · Chem. Soc. Rev. · doi:10.1039/c2cs35308c · Cited by 490
El-Toni, A. M., Habila, M. A., Labis, J. P., ALOthman, Z. A., Alhoshan, M., Elzatahry, A. A., & Zhang, F. (2016) · Nanoscale · doi:10.1039/c5nr07004j · Cited by 371
Liu, J., Yang, H. Q., Kleitz, F., Chen, Z. G., Yang, T., Strounina, E., Lu, G. Q. (., & Qiao, S. Z. (2012) · Advanced Functional Materials · doi:10.1002/adfm.201101900 · Cited by 364
Magnetically separable carbon capsules loaded with laccase and their application to dye degradation
Valle-Vigón, P., & Fuertes, A. B. (2011) · RSC Advances · doi:10.1039/c1ra00333j · Cited by 18
Metadata
- Authors
- Zhu, Y., Kockrick, E., Ikoma, T., Hanagata, N., & Kaskel, S.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-04-22
- Volume
- 21
- Issue
- 12
- Pages
- 2547-2553
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2036551748
- Cited by
- 238
- References
- 0
- FWCI
- 12.76
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhu, Y., Kockrick, E., Ikoma, T., Hanagata, N., & Kaskel, S. (2009). An Efficient Route to Rattle-Type Fe3O4@SiO2 Hollow Mesoporous Spheres Using Colloidal Carbon Spheres Templates. Chemistry of Materials. https://doi.org/10.1021/cm900956j
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