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. Author manuscript; available in PMC: 2009 Feb 18.
Published in final edited form as: Anal Chim Acta. 2008 Jan 6;609(1):44–52. doi: 10.1016/j.aca.2007.12.032

Fig. 6.

Fig. 6

Typical flow – stop flow amperometric current profile of a MWCNT/DHP sensor film in MAMP at + 0.88 V vs. Ag/AgCl (2M KCl) showing the pump on/off periods, peak current (ip) and peristaltic pump clamping spike. This measurement was performed in low buffered HBSS media with 16.7 mM glucose in the presence of islets: 180 s cycle with a flow rate of 20 µL/min for 140 s and a stop flow period of 40 s and sample volume of 3 µL.