Figure 5.

All‐aqueous emulsion droplets generated by utilizing hydrodynamic instability. Schematics of the microfluidic device with perturbing by a) a mechanical vibrator and b) a piezoelectric actuator or by c) hydrostatic pressures and d) pulsating inlet pressures. All the scale bars are 200 µm. a) Reproduced with permission.79 Copyright 2012, AIP Publishing. b) Reproduced with permission.145 Copyright 2010, Royal Society of Chemistry. c) Reproduced with permission.143 Copyright 2016, American Chemical Society. d) Reproduced with permission.144 Copyright 2015, Royal Society of Chemistry.