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- Title
Expanding the Toolbox of Metal–Phenolic Networks via Enzyme‐Mediated Assembly.
- Authors
Zhong, Qi‐Zhi; Richardson, Joseph J.; Li, Shiyao; Zhang, Wenjie; Ju, Yi; Li, Jianhua; Pan, Shuaijun; Chen, Jingqu; Caruso, Frank
- Abstract
Functional coatings are of considerable interest because of their fundamental implications for interfacial assembly and promise for numerous applications. Universally adherent materials have recently emerged as versatile functional coatings; however, such coatings are generally limited to catechol, (ortho‐diphenol)‐containing molecules, as building blocks. Here, we report a facile, biofriendly enzyme‐mediated strategy for assembling a wide range of molecules (e.g. 14 representative molecules in this study) that do not natively have catechol moieties, including small molecules, peptides, and proteins, on various surfaces, while preserving the molecule's inherent function, such as catalysis (≈80 % retention of enzymatic activity for trypsin). Assembly is achieved by in situ conversion of monophenols into catechols via tyrosinase, where films form on surfaces via covalent and coordination cross‐linking. The resulting coatings are robust, functional (e.g. in protective coatings, biological imaging, and enzymatic catalysis), and versatile for diverse secondary surface‐confined reactions (e.g. biomineralization, metal ion chelation, and N‐hydroxysuccinimide conjugation).
- Subjects
TRYPSIN; SMALL molecules; PROTECTIVE coatings; CATECHOL; CATALYSIS; METAL ions
- Publication
Angewandte Chemie, 2020, Vol 132, Issue 4, p1728
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201913509