An ultrasensitive K+ fluorescence/absorption di-mode assay based on highly co-catalysiscarbon dot nanozyme and DNAzyme

References

ref title DOI material type comment
4459 1281 An ultrasensitive K+ fluorescence/absorption di-mode assay based on highly co-catalysiscarbon dot nanozyme and DNAzyme https://doi.org/10.1016/j.microc.2020.105508 Composite N,Au co-doped carbon dots (CD N/Au)

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
8291 1281 CD N1/Au 10 nm TEM
8290 1281 CD N/Au 8 nm TEM TEMs of CD N and CD N1Au show in Fig. 3C and D, with an average size of 8 and 10 nm respectively.

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
7199 1281 CD N1/Au2 POD TMB 0.065 mM 4.02 -8 M/s 1281 1281

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
6142 1281 CD N/Au selective detection of ultratrace K+ K+ Fluor 0.06–1.3 nM 0.024 nM