2017
DOI: 10.1039/c7nr00819h
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Yolk–shell nanostructured Fe3O4@C magnetic nanoparticles with enhanced peroxidase-like activity for label-free colorimetric detection of H2O2and glucose

Abstract: Herein, we have developed a simple and facile method to synthesize yolk-shell nanostructured FeO@C nanoparticles (NPs) as a multifunctional biosensing platform for the label-free colorimetric detection of HO and glucose. It was demonstrated that FeO@C yolk-shell nanostructures (YSNs) retained the magnetic properties that can be used for separation and concentration. Also importantly, the FeO@C YSNs exhibited an intrinsic peroxidase-like activity that could quickly catalyze the enzyme substrate in the presence … Show more

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Cited by 184 publications
(92 citation statements)
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“…Since H 2 O 2 is ap roduct of glucose oxidized by O 2 in the presence of glucose oxidase (GOx), the CNM-catalyzed reaction can be readily adapted to detect glucose (Table S2). [35,[39][40][41]44,47,50,57,61,64,67,68,75,79,80,82,91,95,96,99,111,114,120,143,149,150,154,157,170] According to the above working principle, afast, simple,sensitive,and selective colorimetric method for glucose detection with alimit of detection as low as 1 mm has been presented ( Figure 4). [35] Theprotocol is reliable enough and has been used for analysis of glucose in actual samples, such as diluted blood and commercial fruit juices.…”
Section: Biosensors For Biomolecules That Canproduce H 2 Omentioning
confidence: 99%
“…Since H 2 O 2 is ap roduct of glucose oxidized by O 2 in the presence of glucose oxidase (GOx), the CNM-catalyzed reaction can be readily adapted to detect glucose (Table S2). [35,[39][40][41]44,47,50,57,61,64,67,68,75,79,80,82,91,95,96,99,111,114,120,143,149,150,154,157,170] According to the above working principle, afast, simple,sensitive,and selective colorimetric method for glucose detection with alimit of detection as low as 1 mm has been presented ( Figure 4). [35] Theprotocol is reliable enough and has been used for analysis of glucose in actual samples, such as diluted blood and commercial fruit juices.…”
Section: Biosensors For Biomolecules That Canproduce H 2 Omentioning
confidence: 99%
“…The surface structure and properties is of great importance for various applications, such as catalysis and growth of nanoparticle [29][30][31][32]. For all considered low-index surfaces, we first identify the most stable termination of each surface.…”
Section: Surface Structurementioning
confidence: 99%
“…Viele klassische künstliche Peroxidasen, z. B. Metalloxide (Fe 3 O 4 , FeO x H, Fe 2 O 3 , Co 3 O 4 , ZnO, CuO, Cu 2 O, CeO 2 , CoFe 2 O 4 , WO 3 ), Metallhydroxide, Metallchalkogenide (CoSe 2 , CuS, MoS 2 ), Metallnanopartikel (Pt, Pd, Au, Ag, Fe), Legierungen (PtPd, PdNi, AuPd, AuAg, CuAg, FeCo), Metallionen (Cu 2+[152] ), Komplexe (Hämin, chirale metallosupramolekulare Komplexe, Fe‐Phenanthrolin, Preußischblau), wurden verwendet, um Hybride mit CNMs herzustellen. Wegen ihrer großen spezifischen Oberflächen, ihren ausgezeichneten physikalischen Eigenschaften und ihrer vielseitigen Oberflächenchemie spielten CNMs sehr wichtige Rollen in der Regulierung der enzymatischen Aktivität von...…”
Section: Cnm‐basierte Künstliche Peroxidasenunclassified
“…Es gibt einen Bedarf an praktischen Testsystemen für den H 2 O 2 ‐Nachweis in der Biologie, Medizin, Umwelttechnik und Industrie. Anhand der durch CNMs katalysierten kolorimetrischen Reaktion kann die Konzentration von H 2 O 2 durch Messung der Absorptionsänderung quantifiziert werden . CNM‐basierte künstliche Peroxidasen, die für den Nachweis von H 2 O 2 eingesetzt wurden, sind in Table S1 in den Hintergrundinformationen zusammengefasst.…”
Section: Anwendungen Von Cnm‐basierten Künstlichen Peroxidasenunclassified
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