To scavenge or not to scavenge, that is STILL the question

Allan, E.G.; Kander, M.C.; Carmichael, I.; Garman, E.F.

doi:10.1107/S0909049512046237

Figure 4
Changes in absorbance at (a) 400 nm, (b) 580 nm occurring upon irradiation of 35 mg ml^-1 HEWL solutions, with and without 0.5 M sodium nitrate at RT. Samples irradiated to a final dose of 1 MGy.