The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Attaching DNA to Nanoceria: Regulating Oxidase Activity and Fluorescence Quenching
Abstract
Cerium oxide nanoparticles (nanoceria) have recently emerged as a nanozyme with oxidase activity. In this work, we present a few important interfacial properties of nanoceria. First, the surface charge of nanoceria can be controlled not only by adjusting pH but also by adsorption of simple inorganic anions. Adsorption of phosphate and citrate gives negatively charged surface over a broad pH range. Second, nanoceria adsorbs DNA via the DNA phosphate backbone in a sequence-independent manner; DNA adsorption inhibits its oxidase activity. Other anionic polymers display much weaker inhibition effects. Adsorption of simple inorganic phosphate does not have the inhibition effect. Third, nanoceria is a quencher for many fluorophores. These discoveries provide an important understanding for further use of nanoceria in biosensor development, materials science, and nanotechnology.
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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
Nanostructures in Biodiagnostics
Rosi, N. L., & Mirkin, C. A. (2005) · Chemical Reviews · doi:10.1021/cr030067f · Cited by 4,603
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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
Surface modification of nanozymes
Liu, B., & Liu, J. (2017) · Nano Research · doi:10.1007/s12274-017-1426-5 · Cited by 543
Self-citationHydrogen Peroxide Displacing DNA from Nanoceria: Mechanism and Detection of Glucose in Serum
Liu, B., Sun, Z., Huang, P.-J. J., & Liu, J. (2015) · Journal of the American Chemical Society · doi:10.1021/ja511444e · Cited by 419
Self-citationChong, Y., Liu, Q., & Ge, C. (2021) · Nano Today · doi:10.1016/j.nantod.2021.101076 · Cited by 339
Rationally Modulate the Oxidase-like Activity of Nanoceria for Self-Regulated Bioassays
Cheng, H., Lin, S., Muhammad, F., Lin, Y.-W., & Wei, H. (2016) · ACS Sensors · doi:10.1021/acssensors.6b00500 · Cited by 334
Metadata
- Authors
- Pautler, R., Kelly, E. Y., Huang, P.-J. J., Cao, J., Liu, B., & Liu, J.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-07-19
- Volume
- 5
- Issue
- 15
- Pages
- 6820-6825
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W2312460095
- Cited by
- 218
- References
- 2
- FWCI
- 5.03
- Type
- journal article
- Language
- en
- Open access
- closed
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- Pautler, R., Kelly, E. Y., Huang, P.-J. J., Cao, J., Liu, B., & Liu, J. (2013). Attaching DNA to Nanoceria: Regulating Oxidase Activity and Fluorescence Quenching. ACS Applied Materials & Interfaces. https://doi.org/10.1021/am4018863
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