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. Author manuscript; available in PMC: 2009 Aug 1.
Published in final edited form as: Biomaterials. 2008 May 16;29(23):3346–3356. doi: 10.1016/j.biomaterials.2008.04.040

Figure 2.

Figure 2

Incorporation of fluorescently-labeled PEG-acrylate molecules into the background hydrogel during formation of an array spot. Fluorescein-cysteine-PEG-acrylate molecules diffuse into the hydrogel background and form a stable, interpenetrated network between the array spot and the hydrogel background.