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Schematic of microarray system for batch-filling and in parallel printing of multiple proteins. (1) The micro connectors of the micro stamp chips are connected into the nozzles of the micro filling chip, and then the bio-fluids are transferred into the micro stamp simultaneously. (2) After the filling has been completed, those two chips are separated, and then PDMS stamps are used to print in parallel numerous arrays (reprinted with permission from ref. 92, ©2008 IEEE).
