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. 2019 Jun 3;5:32. doi: 10.1038/s41378-019-0064-3

Fig. 8. Acoustofluidic-based single particle/cell sorting.

Fig. 8

a A schematic of an acoustic sorting device using focused IDTs (not to scale). A sample solution with cells/particles to be sorted is infused from the middle inlet and a buffer solution is infused from both side inlets. b When a confined acoustic field is generated through focused IDTs, a polystyrene particle, labeled as 2, is pushed to the collection outlet from its initial path. Scale bar: 50 μm. c A schematic of an acoustic sorting device based on traveling SAWs using focused IDTs (not to scale). d A time-averaged image showing that 3 μm single particles are pushed to the lower outlet using 300 μs, 30 mW pulsed focused traveling SAWs with a beam width of 25 μm. Scale bar: 50 μm. Figures in a, b are adapted from ref. 134, and figures in c, d are adapted from ref. 63 with permission from the Royal Society of Chemistry