Table 1. Summary of biokinetic and stoichiometric parameters describing growth of wild-type Nitrosomonas europaea on electrochemically regenerated media.

	Maximum specific growthrate (µmax;1/day)	Half saturation coefficient (KNH3;mg N/L)	Biomass yield coefficient (fS;mg biomass as oxygen equivalents/mg N)	Free energy efficiency (%)
Period 1a	0.50±0.15	2.51±0.65	0.06±0.01	4.4±1.6
Period 2b	0.36±0.07	2.57±0.63	0.05±0.02	5.1±1.0
Period 3c	0.24±0.08	3.19±1.34	0.05±0.02	4.9±0.6

^an = 8,

^bn = 6,

^cn = 8.

Replicate results presented in Table S2; mean ±95% confidence interval.