Figure 1
(a) Cross-sectional schematic of the 2PP-3D-printed mix-and-extrude device. (b)–(e) Microscopy images showing the assembly of the mixing-HVE tip with two fluid-feeding fused silica capillaries. (b) Two capillaries, each with 250 µm ID, are inserted into the 3D-printed mixing-HVE access ports and (c) glued with epoxy glue. (d) The capillaries (un-glued end) are fiddled through a 0.046′′ ID steel tubing (OD = 1/16′′), which is pulled over the mixing section of the device. (e) A small amount of slightly viscous epoxy glue (cured for 1 min) is added onto the gap with a clean capillary or metal wire to secure IP-S to the steel and provide gas tightness. |