3.1 History of DET-Type Bioelectrocatalysis
65
Table 3.1
(continued)
Enzyme group
Enzyme name (source)
Catalytic and redox center(s)* (subunit structure)
Reaction
(half-wave
potential of the
catalytic wave)
Electrode
Refs. PDB
Soluble glucose dehydrogenase
PQQ×2 (non-covalent) [homodimer]
glucose – 2e −
(0.25 V vs.
Ag|AgCl, pH 7.2)
CCGE
[49]
[92]
*Double underline: most possible candidate of the electrochemical active site, single underline: any one of them as a possible candidate of the electrochemical active site, no underline:
no clear comment on the electrochemical active site
Chemical:
NAD +
(nicotinamide adenine dinucleotide, oxidized form), FAD (flavin adenine dinucleotide), FMN (flavin mononucleotide), PQQ (pyrroloquinoline quinone), p-PDA
(p-phenylenediamine), PEI (polyethyleneimine), PM (polymyxin B)
Electrode:
AuNP (gold nanoparticles), EPGE (edge-oriented pyrolytic graphite electrode), KBE (Ketjen black-modified electrode), MWCNT (multi-walled carbon nanotubes), ITO
(indium tin oxide), CCGE (carbon cryogel electrode)
Reference electrode:
Ag|AgCl (silver|silver chloride|saturate potassium chloride electrode
= 0.197 V vs. SHE), SCE (saturated calomel electrode
= 0.241 V vs. SHE), SHE (standard
hydrogen electrode)