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Creators/Authors contains: "Fisher, Racheal"

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  1. ; ; ; ; ; ; ; ; ; ; et al (, Chemistry of Materials)
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  2. ; ; ; ; ; ; ; (, ACS Applied Materials & Interfaces)
    Hydrogels are broadly used in applications where polymer materials must interface with biology. The hydrogel network is amorphous, with substantial heterogeneity on length scales up to hundreds of nanometers, in some cases raising challenges for applications that would benefit from highly structured interactions with biomolecules. Here, we show that it is possible to generate ordered patterns of functional groups on polyacrylamide hydrogel surfaces. We demonstrate that when linear patterns of amines are transferred to polyacrylamide, they pattern interactions with DNA at the interface, a capability of potential importance for preconcentration in chromatographic applications, as well as for the development of nanostructured hybrid materials and supports for cell culture. 
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