Mussel-inspired surface chemistry for multifunctional coatings |
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| Authors: | Lee Haeshin Dellatore Shara M Miller William M Messersmith Phillip B |
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| Institution: | Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA. |
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| Abstract: | We report a method to form multifunctional polymer coatings through simple dip-coating of objects in an aqueous solution of dopamine. Inspired by the composition of adhesive proteins in mussels, we used dopamine self-polymerization to form thin, surface-adherent polydopamine films onto a wide range of inorganic and organic materials, including noble metals, oxides, polymers, semiconductors, and ceramics. Secondary reactions can be used to create a variety of ad-layers, including self-assembled monolayers through deposition of long-chain molecular building blocks, metal films by electroless metallization, and bioinert and bioactive surfaces via grafting of macromolecules. |
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