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Dumbbell-like PtPd–Fe3O4 Nanoparticles for Enhanced Electrochemical Detection of H2O2
Abstract
Dumbbell-like Pt(x)Pd(100-x)-Fe(3)O(4) nanoparticles (NPs) were synthesized and studied for electrocatalytic reduction and sensing of H(2)O(2). In 0.1 M phosphate buffered saline (PBS) solution, the 4-10 nm Pt(x)Pd(100-x)-Fe(3)O(4) NPs showed the Pt/Pd composition-dependent catalysis with Pt(48)Pd(52)-Fe(3)O(4) NPs having the best activity. The Pt(48)Pd(52)-Fe(3)O(4) NPs were tested for H(2)O(2) detection, and their H(2)O(2) detection limit reached 5 nM, which was suitable for monitoring H(2)O(2) generated from Raw 264.7 cells. These dumbbell-like PtPd-Fe(3)O(4) NPs are the most sensitive probe ever reported and can be used to achieve real-time quantitative detection of H(2)O(2) in biological environment for biological and biomedical applications.
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Cites
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Dröge, W., & Schipper, H. M. (2007) · Aging Cell · doi:10.1111/j.1474-9726.2007.00294.x · Cited by 479
Cited by
Wu, W., Wu, Z., Yu, T., Jiang, C., & Kim, W.-S. (2015) · Science and Technology of Advanced Materials · doi:10.1088/1468-6996/16/2/023501 · Cited by 1,574
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Lin, Y., Ren, J., & Qu, X. (2014) · Accounts of Chemical Research · doi:10.1021/ar400250z · Cited by 1,252
Metal oxide nanoparticles in electrochemical sensing and biosensing: a review
George, J. M., Antony, A., & Mathew, B. (2018) · Microchimica Acta · doi:10.1007/s00604-018-2894-3 · Cited by 580
Wang, T., Zhu, H., Zhuo, J., Zhu, Z., Papakonstantinou, P., Lubarsky, G., Lin, J., & Li, M. (2013) · Analytical Chemistry · doi:10.1021/ac402114c · Cited by 462
Metadata
- Authors
- Sun, X., Guo, S., Liu, Y., & Sun, S.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-08-31
- Volume
- 12
- Issue
- 9
- Pages
- 4859-4863
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2417846626
- Cited by
- 322
- References
- 1
- FWCI
- 18.72
- Type
- journal article
- Language
- en
- Open access
- closed
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- Sun, X., Guo, S., Liu, Y., & Sun, S. (2012). Dumbbell-like PtPd–Fe3O4 Nanoparticles for Enhanced Electrochemical Detection of H2O2. Nano Letters. https://doi.org/10.1021/nl302358e
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