A label-free immunosensor for the sensitive detection of hepatitis B e antigen based on PdCu tripod functionalized porous graphene nanoenzymes

References

ref title DOI material type comment
3569 381 A label-free immunosensor for the sensitive detection of hepatitis B e antigen based on PdCu tripod functionalized porous graphene nanoenzymes https://doi.org/10.1016/j.bioelechem.2020.107461 Composite PdCu tripod (PdCu TP) functionalized porous graphene (PG) nanoenzymes (PdCu TPs/PG)

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
7615 381 PdCu TPs/PG 25 nm TEM As shown in Fig. 2A, the PdCu TPs are tripod-shaped with an arm length of approximately 25 nm.

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
6265 381 PdCu TPs POD H2O2 1.42 mM 1.45 -6 M/s 381
6264 381 PG POD H2O2 2.98 mM 1.39 -6 M/s 381 381
6263 381 PdCu TPs/PG POD H2O2 1.14 mM 1.90 -6 M/s 381

Applications

ref material application target method linear range linear ran unit LOD lod unit recovery comment
5290 381 PdCu TPs/PG sensitive detection of HBe Ag HBe Ag Color from 60 fg·mL−1 to 100 ng·mL−1 20 fg·mL−1