The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Boosting the oxidase mimicking activity of nanoceria by fluoride capping: rivaling protein enzymes and ultrasensitive F−detection
Abstract
Nanomaterial-based enzyme mimics (nanozymes) are currently a new forefront of chemical research. However, the application of nanozymes is limited by their low catalytic activity and low turnover numbers. Cerium dioxide nanoparticles (nanoceria) are among the few with oxidase activity. Herein, we report an interesting finding addressing their limitations. The oxidase activity of nanoceria is improved by over 100-fold by fluoride capping, making it more close to real oxidases. The turnover number reached 700 in 15 min, drastically improved from ∼15 turnovers for the naked particles. The mechanism is attributed to surface charge modulation and facilitated electron transfer by F(-) capping based on ζ-potential and free radical measurements. Ultrasensitive sensing of fluoride was achieved with a detection limit of 0.64 μM F(-) in water and in toothpastes, while no other tested anions can achieve the activity enhancement.
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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
Cited by
A Review on Metal- and Metal Oxide-Based Nanozymes: Properties, Mechanisms, and Applications
Liu, Q., Zhang, A., Wang, R., Zhang, Q., & Cui, D. (2021) · Nano-Micro Letters · doi:10.1007/s40820-021-00674-8 · Cited by 745
Molecular Imprinting on Inorganic Nanozymes for Hundred-fold Enzyme Specificity
Zhang, Z., Zhang, X., Liu, B., & Liu, J. (2017) · Journal of the American Chemical Society · doi:10.1021/jacs.7b00601 · Cited by 666
Self-citationSurface modification of nanozymes
Liu, B., & Liu, J. (2017) · Nano Research · doi:10.1007/s12274-017-1426-5 · Cited by 543
Self-citationMulticopper Laccase Mimicking Nanozymes with Nucleotides as Ligands
Liang, H., Lin, F., Zhang, Z., Liu, B., Jiang, S., Yuan, Q., & Liu, J. (2017) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.6b15124 · Cited by 537
Self-citationChong, Y., Liu, Q., & Ge, C. (2021) · Nano Today · doi:10.1016/j.nantod.2021.101076 · Cited by 339
Metadata
- Authors
- Liu, B., Huang, Z., & Liu, J.
- Venue
- Nanoscale
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2016
- Volume
- 8
- Issue
- 28
- Pages
- 13562-13567
- ISSN
- 2040-3364 (ISSN-L)
- 2040-3372
- OpenAlex
- W2465938557
- Cited by
- 260
- References
- 1
- FWCI
- 11.50
- Type
- journal article
- Language
- en
- Open access
- closed
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- Liu, B., Huang, Z., & Liu, J. (2016). Boosting the oxidase mimicking activity of nanoceria by fluoride capping: rivaling protein enzymes and ultrasensitive F−detection. Nanoscale. https://doi.org/10.1039/c6nr02730j
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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