FIGURE 1.

Acoustic manipulation of particles and droplets using standing waves (SW). (A). SW method by moving the reflector–normally used for manipulate macro-objects. Adapted and reproduced with permission from (Andrade et al., 2015). Copyright 2015, AIP Publishing LLC. (B). Standing Surface Acoustic Wave (SSAW) manipulation of biological objects, including cells and entire organisms (C. elegans) by adjusting the frequency of two chirped IDTs (Ding et al., 2012). (C). Single human breast cancer cell manipulation using SAW by adjusting the phase shift between opposed IDTs. Reproduced with permission from (Meng et al., 2011). Copyright 2011, American Institute of Physics.