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Advanced Materials
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Protein tethering into multiscale geometries by covalent subtractive printing

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Abstract

High-resolution patterns of proteins at multiple length scales are printed by a facile and flexible strategy using a flat elastomeric stamp and direct covalent immobilization onto mixed self-assembled monolayers of tri(ethylene glycol)- and carboxylic acid-hexa(ethylene glycol)-terminated alkanethiols on gold-coated substrates. This is a robust method for generating complex protein arrays with precise control over micrometer- and nanometer-scale pattern geometries while maintaining a protein-adsorption-resistant background. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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Advanced Materials