Resolution: standard / high
Figure 2.
Chemical structures of some representative artificial (ABTS, HBT, violuric acid -VIO-, TEMPO, promazine -PZ- and 1-nitroso-naphthol-3,6-disulfonic acid -NNDS-) and lignin-derived natural mediators (acetosyringone, syringaldehyde, vanillin, acetovanillone, p-coumaric acid, ferulic acid and sinapic acid).
Kunamneni et al. Microbial Cell Factories 2008 7:32 doi:10.1186/1475-2859-7-32
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