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. Author manuscript; available in PMC: 2010 Dec 22.
Published in final edited form as: ACS Nano. 2009 Dec 22;3(12):3969–3976. doi: 10.1021/nn9011384

Figure 2.

Figure 2

a) Ids versus Vg using the liquid gate before (red) and after (blue) exposure to streptavidin of 100 nM in 0.01× PBS. b) Plots of current versus time in PBS of different levels of dilution. The devices were exposed to 100 nM streptavidin at t = 100 s. Vds of 0.2 V and Vg of 0.6 V were used for the measurement. c) Relative responses extracted from Figure 2b plotted against the logarithm of the ionic concentration.