A gold nanoparticle-intercalated mesoporous silica-based nanozyme for the selective colorimetric detection of dopamine

References

ref title DOI material type comment
3788 601 A gold nanoparticle-intercalated mesoporous silica-based nanozyme for the selective colorimetric detection of dopamine https://doi.org/10.1039/C9NA00508K Composite Highly dispersed aggregation-free gold nanoparticles intercalated into the walls of mesoporous silica (AuMS)

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
7827 601 AuMS 1 μm TEM As shown in Fig. 3a, short bent rod-like structures with a length of about 1 μm can be observed. The particles into the walls are 3.8 ± 0.5 nm in diameter (Fig. 3e) with an average size of 4 nm (Fig. 4).

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
6486 601 AuMS POD H2O2 78.6 mM 9.9 -8 M/s 601 601
6485 601 AuMS POD TMB 0.146 mM 5.07 -8 M/s 601 601

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5537 601 AuMS the selective colorimetric detection of dopamine Dopamine (DA) Color 10-80 μM 1.28 nM