Fig. 17
From: Using flow technologies to direct the synthesis and assembly of materials in solution
a Micrograph of the microfluidic plate with pneumatically operated valves to isolate solutions, b close-up of two ‘rungs’ with overlapping gas channels (blue) for solution isolation, c schematic representation highlighting the vertical positioning of the gas channels, d–g micrographs of two coloured solutions separated, isolated and subsequently mixed by activation and deactivation of the pneumatic valves, h–k. Reprinted with permission from Ref. [33]. Copyright 2012 American Chemical Society