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. Author manuscript; available in PMC: 2011 Jul 27.
Published in final edited form as: Methods Enzymol. 2009;468:239–258. doi: 10.1016/S0076-6879(09)68012-5

Figure 1.

Figure 1

Multiple sample holder for irradiation of cell pellets. Block holding 23 samples can be cooled to −38 ºC was custom fabricated for use at beamline X28C. Samples are automatically aligned with the X-ray beam using a photodiode and motorized table. Exposure times are gated by an electronic shutter. Figure courtesy of S. Gupta, Brookhaven National Laboratory.