Figure 3.

Percentage uptake of compounds 1, 3, 64Cu-ATSM, and 64Cu(OAc)2 into EMT6 cells at varying oxygen concentrations. Errors, if not indicated, are within symbols. Differences in uptake between anoxic and 20000 ppm O2 were significant for compounds 1 (P = 0.003), 3 (P = 0.001, and Cu-ATSM (P = 0.002).