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. Author manuscript; available in PMC: 2014 Apr 16.

Published in final edited form as: Environ Sci Technol. 2013 Mar 26;47(8):3807–3815. doi: 10.1021/es304372t

qPCR analysis using RDH primers (A) for DF-1 and bphA1 primers for LB400 (B) at days 0 (□), 60( ), 120 ( ), and 365 (■). Treatments are: (1) filtered growth media; (2) filtered growth media and sodium lactate; (3) filtered growth media and reduced zero valent iron; (4) LB400; (5) LB400 and sodium lactate; (6) LB400 and zero valent iron; (7) LB400 and DF1; (8) LB400, DF1 and sodium lactate; and (9) LB400, DF1 and reduced zero valent iron. Error bars are calculated from triplicate sediment subsamples.

Inline graphic — qPCR analysis using RDH primers (A) for DF-1 and bphA1 primers for LB400 (B) at days 0 (□), 60( ), 120 ( ), and 365 (■). Treatments are: (1) filtered growth media; (2) filtered growth media and sodium lactate; (3) filtered growth media and reduced zero valent iron; (4) LB400; (5) LB400 and sodium lactate; (6) LB400 and zero valent iron; (7) LB400 and DF1; (8) LB400, DF1 and sodium lactate; and (9) LB400, DF1 and reduced zero valent iron. Error bars are calculated from triplicate sediment subsamples.