Amyloid Proteins Adhesive for Slippery Liquid-Infused Porous Surfaces.

IF 4.2 3区 化学 Q2 POLYMER SCIENCE
Na Feng, Shuting Miao, Xin Guo, Ziyi Yang, Luke Yan, Peng Yang, Jia Kong
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引用次数: 0

Abstract

Biomimetic slippery liquid-infused porous surfaces (SLIPS) have emerged as a promising solution to solve the limitations of superhydrophobic surfaces, such as inadequate durability in corrosion protection and a propensity for frosting. However, the challenge of ensuring strong, lasting adhesion on diverse materials to enhance the durability of the lubricant layer remains. The research addresses this by leveraging amyloid phase-transitioned lysozyme (PTL) as an adhesive interlayer, conferring stable attachment of SLIPS across a variety of substrates, including metals, inorganics, and polymers. The silica-textured interface robustly secures the lubricant with a notably low sliding angle of 1.15°. PTL-mediated adhesion fortifies the silicone oil attachment to the substrate, ensuring the retention of its repellent efficacy amidst mechanical stressors like ultrasonication, water scrubbing, and centrifugation. The integration of robust adhesion, cross-substrate compatibility, and durability under stress affords the PTL-modified SLIPS exceptional anti-fouling, anti-icing, and anti-corrosion properties, marking it as a leading solution for advanced protective applications.

用于注入液体的多孔表面防滑的淀粉样蛋白粘合剂。
生物仿滑液体注入多孔表面(SLIPS)已成为解决超疏水表面局限性(如腐蚀保护耐久性不足和易结霜)的一种有前途的解决方案。然而,如何确保在不同材料上产生强大、持久的附着力,以提高润滑层的耐用性,仍然是一个挑战。这项研究利用淀粉样相变溶菌酶(PTL)作为粘合剂中间层,使 SLIPS 能够在金属、无机物和聚合物等多种基材上稳定附着,从而解决了这一难题。二氧化硅质地的界面能以 1.15° 的明显低滑动角牢固地固定润滑剂。PTL 介导的附着力强化了硅油与基底的附着,确保其在超声波、水洗和离心等机械应力作用下仍能保持斥水性。强大的附着力、跨基材兼容性和应力下的耐用性使 PTL 改性 SLIPS 具有卓越的防污、防结冰和防腐蚀性能,成为先进保护应用的领先解决方案。
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来源期刊
Macromolecular Rapid Communications
Macromolecular Rapid Communications 工程技术-高分子科学
CiteScore
7.70
自引率
6.50%
发文量
477
审稿时长
1.4 months
期刊介绍: Macromolecular Rapid Communications publishes original research in polymer science, ranging from chemistry and physics of polymers to polymers in materials science and life sciences.
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