Nanomagnet-Silica Nanoparticles Decorated with Au@ Pd for Enhanced Peroxidase-Like Activity and Colorimetric Glucose Sensing

References

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title
DOI
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68Nanomagnet-Silica Nanoparticles Decorated with Au@ Pd for Enhanced Peroxidase-Like Activity and Colorimetric Glucose Sensinghttps://doi.org/10.1021/acsami.9b15123CompositeNanomagnet-silica shell (Fe3O4@SiO2) decorated with Au@Pd nanoparticles (NPs)

Materials

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BET
b nanozyme
b 10n
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68Fe3O4@SiO2-NH2-Au@PdNPs<10nmXRDThe absorption spectrum of the AuNPs in Figure 1a-ii showed surface plasmon resonance (SPR) at 514 nm, and this is characteristic of small spherical nanoparticles with size less than 10 nm

Kinetics

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68Fe3O4@SiO2-NH2-Au@Pd0.30NPsPODTMB0.09mM8.65-8M/s6868
68Fe3O4@SiO2-NH2-Au@Pd0.30NPsPODH2O20.35mM6.78-8M/s6868

Applications

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68Fe3O4@SiO2-NH2-Au@PdNPsDetection of GlucoseglucoseColor0.010−60μM0.06μM0.93