A sensitive Salmonella biosensor using platinum nanoparticle loaded manganese dioxide nanoflowers and thin-film pressure detector

References

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430A sensitive Salmonella biosensor using platinum nanoparticle loaded manganese dioxide nanoflowers and thin-film pressure detectorhttps://doi.org/10.1016/j.snb.2020.128616Compositemanganese dioxide nanoflowers with platinum nanoparticles (Pt@MnO2 NFs)

Materials

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BET
b nanozyme
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430MnO2 NFs100nmTEMFig. 2(d–e) shows that the MnO2 NFs have the diameter of ∼100 nm.155.06

Kinetics

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Applications

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430Pt@MnO2sensitive Salmonella biosensorSalmonellaColor15-150000CFU/mL13CFU/mLThen, the detection antibodies (DAbs) modified Pt@MnO2 NFs were used for labelling magnetic bacteria to form MNB-CAb-Salmonella-DAb-Pt@MnO2 NF complexes (nanoflower bacteria). After nanoflower bacteria were resuspended with H2O2 in a sealed centrifuge tube, H2O2 was catalyzed by Pt@MnO2 NFs to produce O2, resulting in the increase on pressure.
430Pt@MnO2sensitive Salmonella biosensorSalmonellaColor15-150000CFU/mL13CFU/mL