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. Author manuscript; available in PMC: 2017 Aug 2.
Published in final edited form as: Lab Chip. 2016 Aug 2;16(16):3033–3042. doi: 10.1039/c6lc00279j

Figure 1.

Figure 1

The nano-interfaced microfluidic exosome platform (nano-IMEX). (A) Schematic of a single-channel PDMS/glass device, with the exploded-view highlighting the coated PDMS chip containing an array of Y-shaped microposts. (B) Surface of the channel and microposts coated with graphene oxide (GO) and polydopamine (PDA) as a nanostructured interface for the sandwich ELISA of exosomes with enzymatic fluorescence signal amplification. (C) The procedure for surface functionalization of the microfluidic chips.