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. Author manuscript; available in PMC: 2011 Oct 11.
Published in final edited form as: Biomed Microdevices. 2011 Apr;13(2):335–344. doi: 10.1007/s10544-010-9497-z

Fig. 5.

Fig. 5

Experimental comparison of pH-induced threshold changes using three Al2O3 NWFET devices and three SiO2 devices. The Al2O3 devices demonstrate a higher sensitivity to pH, which is expected based on the difference in buffer capacities of the surfaces. Error bars were calculated using the standard deviation of the threshold voltage shifts of the three devices used in the study