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. 1999 Dec 7;96(25):14222–14227. doi: 10.1073/pnas.96.25.14222

Figure 3.

Figure 3

Conductance values at various RH for the same mica sheet before (□) and after (✠) the treatment with TE or phosphate (+) buffer. The conductance was measured as the slope of the current–voltage curve in the bias range of 1.5–2.0 V.