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. 2019 May 17;23:e00344. doi: 10.1016/j.btre.2019.e00344

Table 6.

Effect of metal ions on laccase activity

Metal ion Concentration (mM) % Inhibition
Cobalt 1 1.8
5 3.6
Tin 1 1.1
5 9.7
Mercury 1 17.2
5 25.4
Ferric 1 1.5
5 2.0
Potassium 1 3.3
5 3.9
Zinc 1 7.6
5 11.4
Magnesium 1 1.4
5 2.8
Manganese 1 0.8
5 1.2
Sodium 1 Nil
5 Nil
Barium 1 Nil
5 0.6
Chromium 1 1.7
5 13.8
Calcium 1 0.6
5 3.5