A self-healing multispectral transparent adhesive peptide glass

Gal Finkelstein-Zuta, Zohar A. Arnon, Thangavel Vijayakanth, Or Messer, Orr Simon Lusky, Avital Wagner, Galit Zilberman, Ruth Aizen, Lior Michaeli, Sigal Rencus-Lazar, Sharon Gilead, Sudha Shankar, Mariela Jorgelina Pavan, Dor Aaron Goldstein, Shira Kutchinsky, Tal Ellenbogen, Benjamin A. Palmer, Amir Goldbourt, Maxim Sokol and Ehud Gazit ()
Additional contact information
Gal Finkelstein-Zuta: Tel Aviv University
Zohar A. Arnon: Tel Aviv University
Thangavel Vijayakanth: Tel Aviv University
Or Messer: Tel Aviv University
Orr Simon Lusky: Tel Aviv University
Avital Wagner: Ben-Gurion University of the Negev
Galit Zilberman: Elbit Systems Electro-Optics Elop
Ruth Aizen: Tel Aviv University
Lior Michaeli: California Institute of Technology
Sigal Rencus-Lazar: Tel Aviv University
Sharon Gilead: Tel Aviv University
Sudha Shankar: Tel Aviv University
Mariela Jorgelina Pavan: Ben-Gurion University of the Negev
Dor Aaron Goldstein: Tel Aviv University
Shira Kutchinsky: Tel Aviv University
Tal Ellenbogen: Tel Aviv University
Benjamin A. Palmer: Ben-Gurion University of the Negev
Amir Goldbourt: Tel Aviv University
Maxim Sokol: Tel Aviv University
Ehud Gazit: Tel Aviv University

Nature, 2024, vol. 630, issue 8016, 368-374

Abstract: Abstract Despite its disordered liquid-like structure, glass exhibits solid-like mechanical properties1. The formation of glassy material occurs by vitrification, preventing crystallization and promoting an amorphous structure2. Glass is fundamental in diverse fields of materials science, owing to its unique optical, chemical and mechanical properties as well as durability, versatility and environmental sustainability3. However, engineering a glassy material without compromising its properties is challenging4–6. Here we report the discovery of a supramolecular amorphous glass formed by the spontaneous self-organization of the short aromatic tripeptide YYY initiated by non-covalent cross-linking with structural water7,8. This system uniquely combines often contradictory sets of properties; it is highly rigid yet can undergo complete self-healing at room temperature. Moreover, the supramolecular glass is an extremely strong adhesive yet it is transparent in a wide spectral range from visible to mid-infrared. This exceptional set of characteristics is observed in a simple bioorganic peptide glass composed of natural amino acids, presenting a multi-functional material that could be highly advantageous for various applications in science and engineering.

Date: 2024
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DOI: 10.1038/s41586-024-07408-x

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