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. 2002 Aug;68(8):3988–3995. doi: 10.1128/AEM.68.8.3988-3995.2002

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Copyright © 2002, American Society for Microbiology

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FIG. 1. — Sample raw data collected during the continuous-feeding experiments for paired bioreactors inoculated with cells or abiotic oxides. Data are from the run started on 9 May 2001. (A) Dissolved oxygen concentrations. (B) Rate of continuous Fe(II) addition. When Fe(II) pulses were added by syringe, the continuous-feed Fe(II) pumps were turned off. (C) Dissolved Fe(II) concentrations. Note that higher rates of Fe(II) addition to the live-cell bioreactor did not typically result in higher Fe(II) concentrations.