Highly localized, selective deprotection chemistry and efficient grafting reactions in microcontacts between elastomeric stamps and reactive polystyrene-block-poly(tert-butyl acrylate) (PS690-b-PtBA1210) diblock copolymer films are developed. The procedure yields well-defined protein–poly(ethylene glycol) (PEG) nanopatterns (see figure), which may find applications in, for example, cancer-cell–surface interaction studies.
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Embrechts et al. (2007) studied this question.
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