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. Author manuscript; available in PMC: 2014 Jul 1.

Published in final edited form as: Anal Bioanal Chem. 2013 May 17;405(18):5965–5974. doi: 10.1007/s00216-013-7020-0

Fig. 5 — Effect of electrode cleaning in channel on current responses of 10 and 50 μM potassium ferri and ferro hexacyanide in 0.1 M PB, pH 7.0. (a) without cleaning IDUA in channel and, (b) clean IDUA in channel before electrochemical measurement with 0.1 M NaOH at 5 μL/min flow rate for 10 min.

Fig. 5 — Effect of electrode cleaning in channel on current responses of 10 and 50 μM potassium ferri and ferro hexacyanide in 0.1 M PB, pH 7.0. (a) without cleaning IDUA in channel and, (b) clean IDUA in channel before electrochemical measurement with 0.1 M NaOH at 5 μL/min flow rate for 10 min.