One-pot synthesized citric acid-modified bimetallic PtNi hollow nanospheres as peroxidase mimics for colorimetric detection of human serum albumin

References

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830One-pot synthesized citric acid-modified bimetallic PtNi hollow nanospheres as peroxidase mimics for colorimetric detection of human serum albuminhttps://doi.org/10.1016/j.msec.2020.111231Multi-metalcitric acid-functionalized platinum–nickel hollow nanospheres (CA@PtNi hNS)

Materials

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BET
b nanozyme
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830CA@PtNi hNS10.32nmTEMTEM image [Fig. 2(b)] indicates that the CA@PtNi hNS consist of well-dispersed, hollow nanospheres with an average diameter of 10.3 ± 2 nm.

Kinetics

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830CA@PtNi hNSPODTMB4.0RT0.18mM21.89-8M/s830
830CA@PtNi hNSPODH2O24.0RT2.5mM38.68-8M/s830

Applications

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830CA@PtNi hNSSensitive detection of HSAHASColor0–400ng mL−10.19ng mL−1112-113%