Table 1 Liquid use in the present worka.

From: A Modular Microfluidic Device via Multimaterial 3D Printing for Emulsion Generation

Active W/O

Active W/O/W

Passive W/O/W

Microsphere W/O/W

inner

outer

inner

middle

outer

inner

middle

outer

inner

middle

outer

1

10

1

100

100

1/20

100

100

20

3D-printed resin

100

  1. aW: water-glycerin mixture, unit: cP; O: silicone oil, unit: cSt. Interfacial tension σ = 20 mN m−1.