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| Hauptseite > Publikationsdatenbank > Influence of the chemically reduced graphene oxide interface on the antioxidant multienzyme properties of Prussian blue nanoparticles |
| Hauptseite > Publikationsdatenbank > Influence of the chemically reduced graphene oxide interface on the antioxidant multienzyme properties of Prussian blue nanoparticles |
| Journal Article | FZJ-2023-00304 |
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2023
Elsevier
Amsterdam [u.a.]
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Please use a persistent id in citations: http://hdl.handle.net/2128/34143 doi:10.1016/j.colcom.2022.100689
Abstract: Prussian blue nanoparticles (PB NPs) stabilized with surface capping agents as functional mimics of majorantioxidant enzymes are attracting attention for use in reactions mediated by reactive oxygen species. However,influence of a stabilizing agent or interface on the enzyme-like properties of the nanomaterial remains unclear. Inthis study, we investigate the effect of the chemically reduced graphene oxide (rGO) interface on themorphology, stability, and multienzymatic activity of PB NPs. The rGO stabilized PB NPs nanocomposite (PB/rGO) demonstrated different morphology, dynamics of the superoxide scavenging, and lower peroxidase- andcatalase-mimicking activities in comparison with the non-stabilized PB NPs. Electrochemical studies showedimproved immobilization of PB/rGO on the graphite felt, while the sensitivity of hydrogen peroxide determinationwas higher for the non-stabilized PB NPs. This study enhances our understanding of the role of the rGOstructuring interface in altering the properties of nanomaterials for oxidation protection and nanozyme-basedsensing approaches.
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