Formate-driven H2 production by whole cells of Thermoanaerobacter kivui

Table 1 qH₂ and HER of formate-based H₂ production by whole T. kivui cells under optimized reaction conditions

H₂ production	^aCondition: 0.3 mg mL⁻¹ cells 300 mM sodium formate	^aCondition: 4 mg mL⁻¹ cells 600 mM sodium formate
qH₂ (mmol g ⁻¹ h ⁻¹)	685 ± 87	250 ± 2
HER (mmol L ⁻¹ h ⁻¹)	205 ± 26	999 ± 6

^aCell suspension experiment in imidazole buffer (50 mM imidazole, 20 mM MgSO₂, 20 mM KCl, 2 mM DTE, 4 µM resazurin, pH = 7) at 70 °C and the final cell protein concentration and sodium formate concentration as indicated

ISSN: 2731-3654