(a)
(b)
(c)
(d)
(e)
(f)
Figure 1:
Solution species at pH 7.4 of (a) arsenite, As(III), (b) monomethylarsonous acid, MMA(III), (c) dimethylarsinous acid, DMA(III), (d) arsenobetaine, AsB, (e) glutathione, GSH, and (f) sodium 2,3-dimercapto-1-propanesulfonate, DMPS [
18
,
19
].