TABLE 1.
Rates of reaction of C. gallica laccase with PAHs
| PAH | Wavelengtha (nm) | Ionization potential (eV)b | Rate constant (h−1)c |
|---|---|---|---|
| Benzo[a]pyrene | 295 | 7.12 | 83 |
| 9-Methylanthracene | 253 | 7.23 | 240 |
| 2-Methylanthracene | 247 | 7.42 | 4.9 |
| Azulene | 270 | 7.43 | NEOd |
| Anthracene | 225 | 7.55 | 5.2 |
| Biphenylene | 246 | 7.58 | 3.8 |
| Acenaphthene | 226 | 7.7 | 10 |
| Pyrene | 236 | 7.72 | NRe |
| Fluoranthene | 235 | 7.76 | NR |
| Phenanthrene | 250 | 8.03 | 0.8 |
a
HPLC detection wavelength.
b
Data from reference 15.
c
First-order rate constant for substrate loss.
d
NEO, nonenzymatic oxidation.
e
NR, no reaction.