Issue 4, 2020

Aggregation-induced emission of a 2D protein supramolecular nanofilm with emergent functions

Abstract

Aggregation-induced emission (AIE) of a 2D protein supramolecular nanofilm exhibiting multiple functions is achieved for the first time at the air/water interface or on a solid surface at a timescale of several minutes. The mixture of lysozyme, tris(2-carboxyethyl)phosphine (TCEP) and 9,10-distyrylanthracene with two ammonium groups (DSAI) results in the rapid synthesis of a phase-transited lysozyme (PTL) AIE nanofilm, coating or ink from a neutral aqueous solution at room temperature. The multifunctionality of these waterborne biocompatible DSAI@PTL AIE materials shows some potential applications such as anti-bacterial and anti-counterfeiting for edible items or living creatures. This strategy combines the advantages of AIE with a 2D biopolymer suprastructure and provides an eco-friendly interfacial material with biological functions and applications. By introducing versatile AIE molecules with different functions and emission, the development of optically active biomimic materials with a wide range of applications could be opened up, such as multi-colour polymer coatings.

Graphical abstract: Aggregation-induced emission of a 2D protein supramolecular nanofilm with emergent functions

Supplementary files

Article information

Article type
Research Article
Submitted
15 yan 2020
Accepted
17 fev 2020
First published
17 fev 2020

Mater. Chem. Front., 2020,4, 1256-1267

Aggregation-induced emission of a 2D protein supramolecular nanofilm with emergent functions

R. Liu, J. Jing, S. Zhang, K. Wang, B. Xu, W. Tian and P. Yang, Mater. Chem. Front., 2020, 4, 1256 DOI: 10.1039/D0QM00031K

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