Figure 5
The lifetime (as expressed by the half dose) of thaumatin crystals as a function of dose rate (Warkentin et al., 2012aBB70). At T = 260 K there is a factor-of-two increase in lifetime as the dose rate is increased to 680 kGy s-1. This indicates that half of global damage is being outrun. At 300 K, the data do not extend to high enough dose rates to reliably establish a half-dose increase. Such an increase has been observed in recent 300 K measurements at dose rates up to 1 MGy s-1 (Owen et al., 2012aBB49).  [article HTML]

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