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. Author manuscript; available in PMC: 2019 Jul 30.
Published in final edited form as: Chem Soc Rev. 2018 Jul 30;47(15):5646–5683. doi: 10.1039/c7cs00263g

Fig. 2.

Fig. 2

a) Schematic illustration of the millipede device36 and the drops produced. Reprinted with permission from ref. 36. Copyright 2016, The Royal Society of Chemistry. b) Droplet clearance from the nozzle exits in PDMS volcano device.42 Reprinted with permission from ref. 42. Copyright 2018, The Royal Society of Chemistry. c) Schematic illustration of tandem-emulsification.43 Reprinted with permission from ref. 43. Copyright 2017, The Royal Society of Chemistry.