Skip to main content
. 2019 Oct 31;10:2470. doi: 10.3389/fmicb.2019.02470

FIGURE 2.

FIGURE 2

Polarity of functional groups, with the most polar groups as acids and amides, plus their ionic counterparts. The highest polarity groups are toward the top left-hand side of the image, the lowest polarity groups are toward the bottom right hand side of the image. Note that amines can also be ionized.