A Visual and Sensitive Detection of Escherichia coli Based on Aptamer and Peroxidase-like Mimics of Copper-Metal Organic Framework Nanoparticles

References

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871A Visual and Sensitive Detection of Escherichia coli Based on Aptamer and Peroxidase-like Mimics of Copper-Metal Organic Framework Nanoparticleshttps://doi.org/10.1007/s12161-020-01765-9MOFCu-MOF NPs were synthesized and functionalized with streptavidin and biotinylated aptamer 2 to form the signal probes

Materials

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BET
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871Cu-MOFTEM, SEMThe morphology of prepared Cu-MOF NPs was characterized by TEMand SEManalysis. As displayed in Fig. 2a, b, the Cu- MOF NPs have a spherical shape with uniform particle distribution.

Kinetics

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871Cu-MOFPODH2O2871
871Cu-MOFPODH2O20.099mM21.5-8M/s871

Applications

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871Cu-MOFThis peroxidase-like mimics-based colorimetric aptasensor showed a rapid and sensitive quantification of E. coliE. coli16~1.6 × 106cfu/mL2cfu/mL