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. 2008 Jun 27;24(15):8134–8142. doi: 10.1021/la8006525

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Copyright © 2008 American Chemical Society

This is an open-access article distributed under the ACS AuthorChoice Terms & Conditions. Any use of this article, must conform to the terms of that license which are available at http://pubs.acs.org.

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Creation of multifunctional surfaces by serial use of μCP (left panel) and MF (right panel). A PDMS stamp (a1, a2) inked with an active species that promotes adsorption (b) is contacted with the substrate (c), rinsed (d), and backfilled with a passive species that prevents adsorption (e, f). The substrate is affixed as a lid to an MF network with n channels (g) through which adsorbing species 1 through n are introduced. The MF network used in this study is shown in (h). Images of the indicated areas of the actual MF network with flow directions within the network are shown in (1) and (2). By this method, surfaces presenting n species on distinct patches surrounded by continuous passivated regions are created. The pictures are not drawn to scale.