Natural enzyme-free colorimetric immunoassay for human chorionic gonadotropin detection based on the Ag+-triggered catalytic activity of cetyltrimethylammonium bromide-coated gold nanoparticles

References

ref title DOI material type comment
3535 339 Natural enzyme-free colorimetric immunoassay for human chorionic gonadotropin detection based on the Ag+-triggered catalytic activity of cetyltrimethylammonium bromide-coated gold nanoparticles https://doi.org/10.1016/j.snb.2019.127439 Metal cetyltrimethylammonium bromide-coated gold nanoparticles

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
7581 339 AuNRs@CTAB treated with Ag+ ion 55 nm DLS the average hydrodynamic diameters
7580 339 AuNSs@CTAB treated with Ag+ ion 60 nm DLS
7579 339 AuNCs@CTAB treated with Ag+ ion 68 nm DLS

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
5244 339 AuNSs@CTAB human chorionic gonadotropin detection human chorionic gonadotropin Color 7.8-10000 mIU/mL 7.8 mIU/mL
5243 339 AuNCs@CTAB human chorionic gonadotropin detection human chorionic gonadotropin Color mIU/mL 31.2 mIU/mL
5242 339 AuNRs@CTAB human chorionic gonadotropin detection human chorionic gonadotropin Color mIU/mL 15.6 mIU/mL