Fig. 5From: l-amino acids affect the hydrogenase activity and growth of Ralstonia eutropha H16L-AAs influence on the kinetics of ORP of R. eutropha H16. Bacteria were grown aerobically, at pH 7.0, for 72 h, n = 5, p < 0.05. The ORP was measured by using Pt and Ti-Si electrodes. For the other details, see Materials and methods and the legends in Figs. 1, 3Back to article page