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Single-Crystalline MFe2O4 Nanotubes/Nanorings Synthesized by Thermal Transformation Process for Biological Applications
Abstract
We report a general thermal transformation approach to synthesize single-crystalline magnetic transition metal oxides nanotubes/nanorings including magnetite Fe(3)O(4), maghematite gamma-Fe(2)O(3), and ferrites MFe(2)O(4) (M = Co, Mn, Ni, Cu) using hematite alpha-Fe(2)O(3) nanotubes/nanorings template. While the straightforward reduction or reduction-oxides process was employed to produce Fe(3)O(4) and gamma-Fe(2)O(3), the alpha-Fe(2)O(3)/M(OH)(2) core/shell nanostructure was used as precursor to prepare MFe(2)O(4) nanotubes via MFe(2)O(4-x) (0 < x < 1) intermediate. The transformed ferrites nanocrystals retain the hollow structure and single-crystalline nature of the original templates. However, the crystallographic orientation-relationships of cubic spinel ferrites and trigonal hematite show strong correlation with their morpologies. The hollow-structured MFe(2)O(4) nanocrystals with tunable size, shape, and composition have exhibited unique magnetic properties. Moreover, they have been demonstrated as a highly effective peroxidase mimic catalysts for laboratory immunoassays or as a universal nanocapsules hybridized with luminescent QDs for magnetic separation and optical probe of lung cancer cells, suggesting that these biocompatible magnetic nanotubes/nanorings have great potential in biomedicine and biomagnetic applications.
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Cites
Intrinsic peroxidase-like activity of ferromagnetic nanoparticles
Gao, L., Zhuang, J., Nie, L., Zhang, J., Zhang, Y., Gu, N., Wang, T., Feng, J., Yang, D., Perrett, S., et al. (2007) · Nature Nanotechnology · doi:10.1038/nnano.2007.260 · Cited by 7,483
Ultra-large-scale syntheses of monodisperse nanocrystals
Park, J., An, K., Hwang, Y., Park, J.-G., Noh, H.-J., Kim, J.-Y., Park, J.-H., Hwang, N.-M., & Hyeon, T. (2004) · Nature Materials · doi:10.1038/nmat1251 · Cited by 4,076
Cited by
Nanomaterials with enzyme-like characteristics (nanozymes): next-generation artificial enzymes
Wei, H., & Wang, E. (2013) · Chemical Society Reviews · doi:10.1039/c3cs35486e · Cited by 3,779
Fe3O4 nanostructures: synthesis, growth mechanism, properties and applications
Yang, C., Wu, J., & Hou, Y. (2011) · Chemical Communications · doi:10.1039/c0cc05862a · Cited by 309
Masunga, N., Mmelesi, O. K., Kefeni, K. K., & Mamba, B. B. (2019) · Journal of Environmental Chemical Engineering · doi:10.1016/j.jece.2019.103179 · Cited by 284
Heavy metal removal from water by magnetite nanorods
Karami, H. (2013) · Chemical Engineering Journal · doi:10.1016/j.cej.2013.01.022 · Cited by 236
Metadata
- Authors
- Fan, H.-M., Yi, J.-B., Yang, Y., Kho, K.-W., Tan, H.-R., Shen, Z.-X., Ding, J., Sun, X.-W., Olivo, M. C., & Feng, Y.-P.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-08-27
- Volume
- 3
- Issue
- 9
- Pages
- 2798-2808
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2055325977
- Cited by
- 232
- References
- 2
- FWCI
- 6.86
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Fan, H.-M., Yi, J.-B., Yang, Y., Kho, K.-W., Tan, H.-R., Shen, Z.-X., Ding, J., Sun, X.-W., Olivo, M. C., & Feng, Y.-P. (2009). Single-Crystalline MFe2O4 Nanotubes/Nanorings Synthesized by Thermal Transformation Process for Biological Applications. ACS Nano. https://doi.org/10.1021/nn9006797
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