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. Author manuscript; available in PMC: 2012 Jun 13.
Published in final edited form as: Biomacromolecules. 2011 Apr 19;12(6):1998–2007. doi: 10.1021/bm200296a

Figure 6.

Figure 6

Representative fluorescence micrographs (4X) of a film-coated microwell array dual functionalized using two different samples of fluorescently labeled BPEI. The array was functionalized with TMR-BPEI (shown as red) outside of the wells (using methods shown in Scheme 1B) followed by treatment with FITC-BPEI (shown as green) to functionalize the insides of the microwells (as in Scheme 1C). The images in A–C show images acquired through the red channel (A), the green channel (B), and a merged image of these two images (C). Microwell dimensions are 300 µm on each side.