Surface-Mediated Production of Complexed •OH Radicals and FeO Species as a Mechanism for Iron Oxide Peroxidase-Like Nanozymes.
Sign Up to like & getrecommendations! Published in 2022 at "Small"
DOI: 10.1002/smll.202204372
Abstract: Fe3 O4 nanoparticles (NPs) with intrinsic peroxidase-like properties have attracted significant interest, although limited information is available on the definite catalytic mechanism. Here, it is shown that both complexed hydroxyl radicals (•OH) and high-valent FeO species… read more here.
Keywords: surface mediated; fe3 nps; iron; peroxidase like ... See more keywords
Maneuvering the Peroxidase-Like Activity of Palladium-Based Nanozymes by Alloying with Oxophilic Bismuth for Biosensing.
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DOI: 10.1002/smll.202205997
Abstract: Engineering the catalytic performance of nanozymes is of vital importance for their broad applications in biological analysis, cancer treatment, and environmental management. Herein, a strategy to boost the peroxidase-like activity of Pd-based nanozymes with oxophilic… read more here.
Keywords: based nanozymes; like activity; peroxidase like; peroxidase ... See more keywords
Neighboring Carboxylic Acid Boosts Peroxidase-Like Property of Metal-Phenolic Nano-Networks in Eradicating Streptococcus mutans Biofilms.
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DOI: 10.1002/smll.202206657
Abstract: Developing nature-inspired nanomaterials with enzymatic activity is essential in combating bacterial biofilms. Here, it is reported that incorporating the carboxylic acid in phenolic/Fe nano-networks can efficiently manipulate their peroxidase-like activity via the acidic microenvironment and… read more here.
Keywords: carboxylic acid; phenolic nano; streptococcus mutans; nano networks ... See more keywords
Peroxidase-Like FeCoZn Triple-Atom Catalyst-Based Electronic Tongue for Colorimetric Discrimination of Food Preservatives *.
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DOI: 10.1002/smll.202207036
Abstract: Recently, single-atom catalysts are attracting much attention in sensor field due to their remarkable peroxidase- or oxidase-like activities. Herein, peroxidase-like FeCoZn triple-atom catalyst supported on S- and N-doped carbon derived from ZIF-8 (FeCoZn-TAC/SNC) serves as… read more here.
Keywords: food; triple atom; like fecozn; fecozn triple ... See more keywords
A new colorimetric assay for amylase based on starch-supported Cu/Au nanocluster peroxidase-like activity
Sign Up to like & getrecommendations! Published in 2019 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-019-01844-9
Abstract: AbstractIn this paper, we present a new colorimetric technique as a novel assay for the easy and direct detection of α-amylase activity. This detection system utilizes the interaction of α-amylase with starch that is supporting… read more here.
Keywords: like activity; detection; amylase; peroxidase like ... See more keywords
Single-layer Rh nanosheets with ultrahigh peroxidase-like activity for colorimetric biosensing
Sign Up to like & getrecommendations! Published in 2018 at "Nano Research"
DOI: 10.1007/s12274-018-2154-1
Abstract: When the dimensionality of layered compounds decreases to the physical limit, ultimate two-dimensional (2D) anisotropy and/or quantum confinement effects may lead to extraordinary physicochemical attributes. Here, we report single-layer Rh nanosheets (NSs) exhibiting ultrahigh peroxidase-like… read more here.
Keywords: single layer; peroxidase; layer nanosheets; ultrahigh peroxidase ... See more keywords
Revealing the Intrinsic Peroxidase-Like Catalytic Mechanism of Heterogeneous Single-Atom Co–MoS2
Sign Up to like & getrecommendations! Published in 2019 at "Nano-Micro Letters"
DOI: 10.1007/s40820-019-0324-7
Abstract: HighlightsSingle-atom Co–MoS2 (SA Co–MoS2) is prepared successfully to serve as a proof-of-concept nanozyme model, which exhibits peroxidase-like performance comparable to that of natural enzymes.The different mechanisms between the single-atom metal center and the support are… read more here.
Keywords: single atom; atom mos2; mos2; peroxidase like ... See more keywords
Development of a cysteine sensor based on the peroxidase-like activity of AgNPs@ Fe3O4 core-shell nanostructures.
Sign Up to like & getrecommendations! Published in 2020 at "Analytica chimica acta"
DOI: 10.1016/j.aca.2020.02.021
Abstract: In this study, a facile one step solvo-thermal procedure has been employed in generating magnetite-silver core-shell nanocomposites (AgNPs@ Fe3O4) with superior peroxidase-like catalytic property than bare magnetic nanoparticles (Fe3O4). The composites were characterized using different… read more here.
Keywords: agnps fe3o4; activity; peroxidase like; microscopy ... See more keywords
Ionothermal synthesis of Cu-doped Fe3O4 magnetic nanoparticles with enhanced peroxidase-like activity for organic wastewater treatment
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DOI: 10.1016/j.apt.2017.12.025
Abstract: Abstract The intrinsic peroxidase-like activity of magnetite magnetic nanoparticles (Fe3O4 MNPs) has to be improved to activate H2O2 under mild conditions for practical applications. Herein copper-doped Fe3O4 (Fe3−xCuxO4, x: 0.06–0.23) MNPs were successfully prepared by… read more here.
Keywords: like activity; doped fe3o4; magnetic nanoparticles; peroxidase like ... See more keywords
Importance of the surface chemistry of nanoparticles on peroxidase-like activity.
Sign Up to like & getrecommendations! Published in 2017 at "Biochemical and biophysical research communications"
DOI: 10.1016/j.bbrc.2017.07.014
Abstract: We report the studies on origin of peroxidase-like activity for gold nanoparticles, as well as the impact from morphology and surface charge of nanoparticles. For this purpose, we have synthesized hollow gold nanospheres (HAuNS) and… read more here.
Keywords: like activity; surface; chemistry; surface chemistry ... See more keywords
Colorimetric detection uranyl ions based on the enhanced peroxidase-like activity by GO adsorption.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of environmental radioactivity"
DOI: 10.1016/j.jenvrad.2020.106299
Abstract: Based on the fact that uranyl ions (UO22+) adsorbed on GO can enhanced the peroxidase-like activity of graphene oxide (GO), a novel colorimetric strategy for visualizing quantitative determination of uranyl ions was established. The peroxidase-like… read more here.
Keywords: like activity; peroxidase like; enhanced peroxidase; uranyl ions ... See more keywords