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(a–c) Protein Crystallization Facility (PCF): (a) hardware inserted into containment tray that slides into incubator containing a cold plate that contacts the metal end of crystallization cylinders; (b) 50-ml cylinders stacked end-to-end thereby creating different thermal gradients for each experiment; (c) metal containment cylinders are shown along with 500 ml, 200 ml, and 100 ml crystallization cylinders and metal caps.
