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Table 1 Effect of L-cysteine concentration on hydrogen production kinetics and nitrogenase activity

From: Photo-fermentative bacteria aggregation triggered by L-cysteine during hydrogen production

L-cysteine (g/l) H2yield (mol H2/mol acetate) H max (ml/l) R max (ml/l/h) λ(h) r 2 Nitrogenase activity (nmol C2H4/ml/h)
0.0 2.33±0.106 2610±118 24.97 36.22 0.998 957±85
0.5 2.46±0.123 2755±137 29.35 31.77 0.997 1125±78
1.0 2.58±0.129 2878±144 32.85 27.46 0.994 1374±94
1.5 1.66±0.114 1859±127 20.81 46.10 0.996 765±69