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Figure 4
Decay in luminescence of a thermolysin crystal as a function of time. XEOL spectra show differential rates of decay as a function of wavelength and a lack of recovery between X-ray pulses. The cumulative dose absorbed by the crystal per pulse is 3.6 MGy. The inset shows an expanded view of the first pulse; the X-ray shutter is opened at t = α and closed at t = β. All data were collected on I24 at DLS. |