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. 2023 Dec 19;29(1):5. doi: 10.3390/molecules29010005

Figure 7.

Figure 7

(a) Reduction of O2 to H2O by bilirubin oxidase via direct electron transfer (DET) or mediated electron transfer (MET); (b) Electrodes modified with naphthoquinone functionalized pyrene/carbon nanotubes can promote direct electron transfer to laccase and bilirubin oxidase, as well as PQQ-dependent glucose dehydrogenase-mediated electron transfer-dependent glucose dehydrogenase-mediated electron transfer [32].