A multicolor sensing system for simultaneous detection of four foodborne pathogenic bacteria based on Fe3O4/MnO2 nanocomposites and the etching of gold nanorods

References

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1061A multicolor sensing system for simultaneous detection of four foodborne pathogenic bacteria based on Fe3O4/MnO2 nanocomposites and the etching of gold nanorodshttps://doi.org/10.1016/j.fct.2021.112035Compositeaptamer-functionalized manganese dioxide-coated ferriferrous oxide (apt-Fe3O4/MnO2) nanocomposites

Materials

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1061apt-Fe3O4/MnO2175.57nmTEMapt-Fe3O4/MnO2 probes are uniformly distributed spherical with an average diameter of 175.57 nm

Kinetics

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Applications

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1061apt-Fe3O4/MnO2simultaneous detection of four foodborne pathogenic bacteriaV. parahaemolyticusColor1.0×10-1.0 × 10^6CFU·mL−11.4CFU·mL−1
1061apt-Fe3O4/MnO2simultaneous detection of four foodborne pathogenic bacteriaE. coli O157:H7Color1.0×10-1.0 × 10^6CFU·mL−11.3CFU·mL−1
1061apt-Fe3O4/MnO2simultaneous detection of four foodborne pathogenic bacteriaL. monocytogenesColor1.0×10-1.0 × 10^6CFU·mL−11.2CFU·mL−1
1061apt-Fe3O4/MnO2simultaneous detection of four foodborne pathogenic bacteriaS. aureusColor1.0×10-1.0 × 10^6CFU·mL−11.3CFU·mL−1