Formation of double emulsion drops with four inner drops, video 1

<p>Formation of double emulsion drops with four inner drops at Q1=2.4 mL/h, Q2=2 mL/h, and Q3=12 mL/h.</p><p><br></p><p>This video is associated with the Open Access paper: "Mechanisms and control of single-step microfluidic generation of multi-core double emulsion droplets" accessed at (<a href="https://doi.org/10.1016/j.cej.2017.04.008" target="doilink">https://doi.org/10.1016/j.cej.2017.04.008</a>).</p>