Osmium nanozyme as peroxidase mimic with high performance and negligible interference of O 2

References

ref title DOI material type comment
4555 1397 Osmium nanozyme as peroxidase mimic with high performance and negligible interference of O 2 https://doi.org/10.1039/D0TA09247A Metal citrate-coated Os nanoparticles (citrate-Os NPs)

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
8407 1397 citrate-Os NPs 1.7 nm TEM The average diameter of the citrate-Os NPs obtained from the TEM images was 1.7 nm adjusted by Gaussian tting 393 U/mg

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
7306 1397 citrate-Os NPs POD TMB 0.096 mM 4.12 -7 M/s 1.72 3 1/s 1397 7 M-1 s-1 1397
7305 1397 citrate-Os NPs POD H2O2 3.88 mM 5.65 -7 M/s 2.35 3 1/s 1397 5 M-1 s-1 1397

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
6248 1397 citrate-Os NPs detection of pyruvic acid pyruvic acid Color 10-130 μM 0.4 μM 91.3-101.0
6247 1397 citrate-Os NPs detection of glucose glucose Color 5-200 μM 0.4 μM 91.5-103.1