TABLE 3.
Laccase inhibitors | IC50 or % inhibition (mean ± SD)
|
|
---|---|---|
Laccase | Immobilized laccase | |
TGAa | 500 μM ± 15 μM | 600 μM ± 14 μM |
NaN3 | 2.1 μM ± 0.1 μM | 2.2 μM ± 0.1 μM |
NaF | 80 μM ± 2 μM | 200 μM ± 8 μM |
NaCl | 50 mM ± 1 mM | 85 mM ± 2 mM |
NaBr | 190 mM ± 8 mM | 340 mM ± 14 mM |
DDCa | 1.2 mM ± 0.1 mM | 4.2 mM ± 0.2 mM |
EDTA | >200 mM | >200 mM |
Dyeing auxiliaries (2 g liter−1) | ||
Cibacel DBC (sequestering agent) | 16.8% ± 0.7% | 13.2% ± 0.5% |
Univadine PA (anionic surfactant) | 17.9% ± 0.9% | 18.1% ± 1.2% |
Tinegal MR (cationic surfactant) | 5.2% ± 0.2% | 6.4% ± 0.3% |
Albegal FFA (wetting agent) | 2.3% ± 0.2% | 0.0% |
Cibapon R (soaping agent) | 2.1% ± 0.1% | 0.0% |
DCC, diethyldithiocarbamate; TGA, thioglycolic acid.