Biomimetic gaseous plastron for blocking fouling-associated biological colonization

IF 4.9 2区化学 Q2 CHEMISTRY, PHYSICAL

Colloids and Surfaces A: Physicochemical and Engineering Aspects Pub Date : 2024-11-30 DOI:10.1016/j.colsurfa.2024.135856

Hao Fu, Minghao Cai, Peijun Liao, Wei Bing

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引用次数: 0

Abstract

Surface micro-/nanostructures and wettability play important roles in gaseous plastron stability. Inspired by the structure and function of Salvinia and lotus leaf, the microstructure-silicon dioxide-graphene-silicone rubber (MS-SiO₂-GN-SR) composites with bubble trapping ability were synthesized. MS-SiO₂-GN-SR can rapidly adsorb a large number of air bubbles under water to form a large gaseous plastron, which can be used as an antifouling barrier to prevent microbial invasion. MS-SiO₂-GN-SR has a strong bubble adsorption function due to its superhydrophobicity and surface roughness. Under dynamic conditions, compared with GN-SR, the adhesion of Gram-negative bacteria, Gram-positive bacteria, and marine algae attachment on the surface of MS-SiO₂-GN-SR decreased by 50.51 %, 63.89 %, and 60.8 %, respectively. After 48 h incubation, MS-SiO₂-GN-SR still maintained the best antifouling performance. These results suggest that physical antifouling strategies based on macroscopic gaseous plastron are promising for the marine industry and maritime transport.

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来源期刊

Colloids and Surfaces A: Physicochemical and Engineering Aspects 化学-物理化学

CiteScore

8.70

自引率

9.60%

发文量

2421

审稿时长

56 days

期刊介绍： Colloids and Surfaces A: Physicochemical and Engineering Aspects is an international journal devoted to the science underlying applications of colloids and interfacial phenomena. The journal aims at publishing high quality research papers featuring new materials or new insights into the role of colloid and interface science in (for example) food, energy, minerals processing, pharmaceuticals or the environment.