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

References

ref title DOI material type comment
3618 430 A sensitive Salmonella biosensor using platinum nanoparticle loaded manganese dioxide nanoflowers and thin-film pressure detector https://doi.org/10.1016/j.snb.2020.128616 Composite manganese dioxide nanoflowers with platinum nanoparticles (Pt@MnO2 NFs)

Materials

ref material size size err size unit size type size comment BET b nanozyme b 10n b unit specific act sa 10n sa unit comment
7661 430 MnO2 NFs 100 nm TEM Fig. 2(d–e) shows that the MnO2 NFs have the diameter of ∼100 nm. 155.06

Kinetics

ref material enzyme type substrate pH T km km err km 10n km unit vmax vmax err vmax 10n vmax unit kcat kcat err kcat 10n kcat unit kcat/km kcat/km 10n kcat/km unit comment

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5338 430 Pt@MnO2 sensitive Salmonella biosensor Salmonella Color 15-150000 CFU/mL 13 CFU/mL Then, 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.
5337 430 Pt@MnO2 sensitive Salmonella biosensor Salmonella Color 15-150000 CFU/mL 13 CFU/mL