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Figure 1
Energy-dependent changes in mean diffraction intensity and signal-to-noise ratio as dataset size increases. The grey, red, purple, green and blue lines correspond to data collected at 12.4, 17.5, 20, 23 and 25 keV, respectively. (a) Mean diffraction intensities (〈I〉) plotted against the number of integrated images from 5000 to 12000. The corresponding multiplicity for each dataset ranged from 26-fold (5k crystals) to 57-fold (12k crystals) for the 25 keV data. (b) Mean dataset signal-to-noise ratio, 〈I/σ(I)〉, plotted against the number of integrated images. (c) Mean signal-to-noise ratio, 〈I/σ(I)〉, for individual crystals at each energy (all data).

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SYNCHROTRON
RADIATION
ISSN: 1600-5775
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