Scheme 1.
Schematic diagram depicting the method for patterning paper into millimeter-sized channels: (a) Photolithography was used to pattern SU-8 photoresist embedded into paper; (b) The patterned paper was modified for bioassays.
Schematic diagram depicting the method for patterning paper into millimeter-sized channels: (a) Photolithography was used to pattern SU-8 photoresist embedded into paper; (b) The patterned paper was modified for bioassays.