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. 2006 Dec 15;92(7):2451–2462. doi: 10.1529/biophysj.106.096362

FIGURE 3.

FIGURE 3

The ζ-potential, as calculated from electrophoretic mobility data, plotted as a function of solution pH. The values are shown as mean ± SE. As shown, PC vesicles are positively charged at pH 2 and 3, near neutral at pH 4, and negatively charged at both pH 6.5 and 9.