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The SAW device can effectively manipulate and pattern protein crystals. Time lapse images of crystals of various sizes and morphologies moved by the SAW device are shown in (a), (b), and (c). Clusters of crystals (d, top) can also be separated and patterned (d, bottom). The inter-crystal distance is equal to ½ wavelength of the input acoustic waves. Scale bar = 100 µm.
