“…6). Fluid dynamics at the flow-focusing region governed droplet break up, where droplets of the dispersed phase were produced as a result of the laminar shear stress and interfacial tension at the fluid-fluid interface (Bauer, Fischlechner, Abell, & Huck, 2010;Chen, Erb, & Studart, 2012;Keohane, Brennan, Galvin, & Griffin, 2014;Khan, Serra, Anton, & Vandamme, 2013;Kim et al, 2014, Martin-Banderas et al, 2005McDonald, 2000;Peltonen & Hirvonen, 2008;Pessi, Santos, Miroshnyk, Yliruusi, & Mirza, 2014;Seemann, Brinkmann, Pfohl, & Herminghaus, 2012;Serra et al, 2013).…”