The DOI matches its Crossref record; 45 of the 45 references it cites were found in a registry or an index.
Hydrogen Peroxide Displacing DNA from Nanoceria: Mechanism and Detection of Glucose in Serum
Open accessAbstract
Hydrogen peroxide (H2O2) is a key molecule in biology. As a byproduct of many enzymatic reactions, H2O2 is also a popular biosensor target. Recently, interfacing H2O2 with inorganic nanoparticles has produced a number of nanozymes showing peroxidase or catalase activities. CeO2 nanoparticle (nanoceria) is a classical nanozyme. Herein, a fluorescently labeled DNA is used as a probe, and H2O2 can readily displace adsorbed DNA from nanoceria, resulting in over 20-fold fluorescence enhancement. The displacement mechanism instead of oxidative DNA cleavage is confirmed by denaturing gel electrophoresis and surface group pKa measurement. This system can sensitively detect H2O2 down to 130 nM (4.4 parts-per-billion). When coupled with glucose oxidase, glucose is detected down to 8.9 μM in buffer. Detection in serum is also achieved with results comparable with that from a commercial glucose meter. With an understanding of the ligand role of H2O2, new applications in rational materials design, sensor development, and drug delivery can be further exploited.
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Cites
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Self-citationH 2 O 2 , a Necessary Evil for Cell Signaling
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Surface 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-citationEnzyme Mimicry for Combating Bacteria and Biofilms
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Site-selective photoinduced cleavage and profiling of DNA by chiral semiconductor nanoparticles
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Nickel–Platinum Nanoparticles as Peroxidase Mimics with a Record High Catalytic Efficiency
Xi, Z., Wei, K., Wang, Q., Kim, M. J., Sun, S., Fung, V., & Xia, X. (2021) · Journal of the American Chemical Society · doi:10.1021/jacs.0c12605 · Cited by 253
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Metadata
- Authors
- Liu, B., Sun, Z., Huang, P.-J. J., & Liu, J.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-01-20
- Volume
- 137
- Issue
- 3
- Pages
- 1290-1295
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2049188949
- Cited by
- 419
- References
- 45
- FWCI
- 18.65
- Type
- journal article
- Language
- en
- Open access
- hybrid
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