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SM chips. (a) Batch-type SM chip. (b) Flow-type SM chip. (c) PDMS stamp for microcontact printing. (d) Pattern configuration of cell adhesion regions constructed by microcontact printing in the batch-type SM chip, demonstrated using a red fluorescent paint. (e) Two-dimensional CAD drawing of the flow-type SM chip. (f) Microwells connected to microchannels in the flow-type SM chip, visualized with red and green fluorescent solutions.
