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耐用的光生物反应器抗生素污染涂层,用于用光反应性聚二二三乙烯甲基酸盐培养微藻

Honghe Song^1,2, Yuheng Jiang^1,2, Caixiang Chen³

¹School of Rare Earths, University of Science and Technology of China, Hefei, PR China.

|August 30, 2024

概括

新的光反应性聚二二三甲基酸 (PTFEMA) 涂层提高了光生物反应器的耐用性. 这些耐用的抗生素污染表面减少了41.4%的微藻粘附,并提高了清洁效率.

科学领域:

材料科学材料科学材料科学
生物技术是生物技术.
表面化学表面化学

背景情况:

光生物反应器表面的生物污染阻碍了微藻养殖的效率.
现有的抗生素污染策略往往缺乏耐用性和长期稳定性.
乙烯-乙酸乙烯 (EVA) 薄膜是常见的材料,但容易受到污染.

研究的目的:

为光生物反应器开发一个耐用的抗生素污染表面.
合成并将光反应性聚二二甲基酸 (PTFEMA) 应用于EVA薄膜上.
评估修改表面的抗生素污染性能和稳定性.

主要方法:

光反应性PTFEMA的合成.
使用涂层和紫外线光接种方法修改EVA薄膜的表面.
使用富里埃变换红外 (FT-IR) 光谱和X射线光电子光谱 (XPS) 进行了表征.
微藻粘附测试和清洁效率测试.
在酸性和性溶液中测量接触角和稳定性测试.

主要成果:

通过共价结合,PTFEMA成功地被移植到EVA薄膜上.
与未经修改的EVA相比,EVA-PTFEMA薄膜上的微藻粘附率减少了41.4%.
附着微藻的清洁效率在EVA-PTFEMA上增加到61.7%,而EVA的清洁效率为49.1%.
经过修改的表面呈现出增加的接触角度,并在酸性/性溶液中保持稳定90天.

结论:

光反应性PTFEMA涂层为光生物反应器抗生素污染提供了持久有效的解决方案.
经过修改的EVA薄膜在抵抗和促进微藻生物污染物去除方面显著改善.
稳定的表面性能确保在恶劣的操作环境中长期的性能.

关键词:

2,2,2-三甲基烯酸二甲基烯酸二二甲基烯酸二二甲基烯酸二甲基烯酸二二甲基烯酸二甲基烯酸二甲基烯酸二甲基烯酸二甲基烯酸二甲基烯酸二甲基烯酸二甲基烯酸二甲基烯酸二甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基甲基生物污染是一种生物污染.在紫外线照射下进行植入.一个光生物反应器.表面涂层是一种表面涂层.

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