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Figure 1
Plug-based protein crystallization using the MPCS. (a) A microphotograph of crystallization trials in plugs being formed in the CrystalCard. (b) Dyed protein crystals in the MPCS CrystalCard. (c) A schematic drawing (left) of a channel containing a smooth pH gradient (right) generated using a low-pH buffer, a high-pH buffer and a universal pH indicator. |