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. Author manuscript; available in PMC: 2019 Aug 28.
Published in final edited form as: Anal Methods. 2018 Jul 30;10(32):4000–4006. doi: 10.1039/C8AY01271G

Fig. 2.

Fig. 2.

Representations of 3D printed array filled with reagents needed for sandwich immunoassay. (A) Model of array with labeled reagent chambers connected to 4 microwell pyrolytic graphite (PGS) detection chip. Programmable pump connected to the microfluidic array via inlet port to sequentially deliver chamber contents to complete the sandwich immunoassay. (B) Photograph of a 3D printed microfluidic array and fluidic chambers filled with colored dyes for visualization.