A multi-colorimetric immunosensor for visual detection of ochratoxin A by mimetic enzyme etching of gold nanobipyramids

References

ref title DOI material type comment
4244 1057 A multi-colorimetric immunosensor for visual detection of ochratoxin A by mimetic enzyme etching of gold nanobipyramids https://doi.org/10.1007/s00604-020-04699-5 Metal gold nanobipyramids (Au NBPs), Cu2O-labled secondary antibody (Cu2O@Ab2)

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
8120 1057 Au NBPs Finally, after purification, two new absorption peaks at about 684 nm and 510 nm were the longitudinal and transverse LSPR peaks of Au NBPs, respectively.
8119 1057 Cu2O@Ab2 245 nm SEM Meanwhile, in Fig. 1c, the particle size analysis further proved that Cu2O octahedrons presented a sharper size distribution of 245 nm in average.

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
5965 1057 Au NBPs visual detection of ochratoxin A OTA Color 1-5000 ng/L 0.47 ng/L