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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Small. 2010 Jan;6(2):232–238. doi: 10.1002/smll.200901551

Figure 9.

Figure 9

Plot of the ΔpH measured by eight devices vs. the IL-2 concentration incubated with each sensor. The red circle derives from a control device to which no IL-2 was added during the protein-binding step (Fig. 1b-iii).