2D nanofilms assembled by pure protein with a macroscopic area and multiple functions can be directly formed at the air/water interface or at the solid surface at a timescale of several minutes. The multifunctionality of the nanofilm coating is demonstrated by both top-down and bottom-up micro-/nanoscale interfacial engineering, including surface modification, all-water-based photo/electron-beam lithography, and electroless deposition.
By incorporating multiple strategies, passive resistance and active regeneration, robust superhydrophobicity has been explored via various approaches for diverse applications.
A proteinaceous superhydrophobic material for facile protein crystallization is reported. The lysozyme phase transition is rationally manipulated to form a reliable superhydrophobic coating on virtually arbitrary material surfaces with good thermostability and mechanical robustness. Such a surface exhibits a fascinating capability to drive protein crystallization, and the protein crystal array can be facilitated in a large area at an ultralow protein concentration.
On page 7414, P. Yang and co‐workers develop a bioinspired multifunctional interfacial material that is a colorless and transparent 2D protein nanofilm with a rich amyloid‐like structure inside. Simple, one‐step soaking or transfer is sufficient to implant the nanofilm on many types of materials of complex shape with stable adhesion. The nanofilm coating can offer versatile opportunities for secondary surface‐mediated reactions, as well as both top‐down and bottom‐up micro‐/nanofabrication.
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