An electrochemical aptasensor for lead ion detection based on catalytic hairpin assembly and porous carbon supported platinum as signal amplification

References

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600An electrochemical aptasensor for lead ion detection based on catalytic hairpin assembly and porous carbon supported platinum as signal amplificationhttps://doi.org/10.1039/D0RA00022ACompositePtNPs@PCs-SA

Materials

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BET
b nanozyme
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600PtNPs@PCsTEM, SEMThe prepared PCs and PtNPs@PCs were characterized by SEM and TEM, and the results were shown in Fig. 1. The SEM image of PCs (Fig. 1A) indicated that the obtained carbon materials were porous structure monolith aer the removal of MgO template. As shown in Fig. 1B, it can be seen that PtNPs were uniformly spread on the surface of the porous of PCs.

Kinetics

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600PtNPs@PCsPOD600600

Applications

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600PtNPs@PCslead ion detectionlead ionE-chem0.05-1000nM0.018nM