Universal Antifogging and Antimicrobial Thin Coating Based on Dopamine-Containing Glycopolymers
Universal Antifogging and Antimicrobial Thin Coating Based on Dopamine-Containing Glycopolymers
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基于含多巴胺糖聚合物的通用防雾抗菌薄涂层
DOI：
10.1021/acsami.0c07949
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发表时间：
2020-06-17
影响因子：
9.5
通讯作者：
Chen, Gaojian
中科院分区：
文献类型：
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作者：
Feng, Kai;Peng, Lun;Chen, Gaojian
报道了一种通过一步包覆和原位生成银纳米粒子制备通用型防雾抗菌涂层的新方法。采用阳光诱导反向加成-断裂链转移（RAFT）聚合法合成了一系列亲水性含糖共聚物，包括聚（N-3，4-二羟基苯乙基甲基丙烯酰胺-co-2-脱氧-2-（甲基丙烯酰胺基）葡萄糖）（P1 s）和聚（N-3，4-二羟基苯乙基甲基丙烯酰胺-co-甲基丙烯酸-co-2-脱氧-2-（甲基丙烯酰胺基）葡萄糖）（P2 s）。具有强烈粘附到有机和无机表面上的能力（即，玻璃载片、硅晶片和聚碳酸酯），P1非常方便地形成超亲水和透明的薄涂层，从而产生独特的防雾性能。此外，抗微生物性质通过原位AgNP形成P2涂层来实现，通过聚合物链中羧基和邻苯二酚基团的存在来促进，使其对革兰氏阴性大肠杆菌和革兰氏阳性金黄色葡萄球菌微生物具有上级抗微生物活性。这种防雾和抗菌薄涂层在医疗和光学设备中显示出强大的前景，具有避免体外或储存时潜在病原体感染的额外好处。
A novel strategy for preparing universal antifogging and antimicrobial coating is reported by the means of one-step coating and Ag nanoparticle (AgNP) formation in situ. A series of hydrophilic glycopolymers including poly(N-3,4-dihydroxybenzenethyl methacrylamide-co-2-deoxy-2(methacrylamido)glucopyranose) (P1s) and poly(N-3,4-dihydroxybenzenethyl methacrylamide-co-methacrylic acid-co-2-deoxy-2-(methacrylamido)glucopyranose) (P2s) were synthesized by sunlight-induced reverse addition-fragmentation chain transfer (RAFT) polymerization. With the ability to strongly 5 immobilize onto organic and inorganic surfaces (i.e., glass slide, silicon wafer, and polycarbonate) via catechol groups, P1s are very convenient to form superhydrophilic and transparent thin coatings, which result in a unique antifogging property. Additionally, the antimicrobial property is realized by in situ AgNPs forming P2 coatings, facilitated by the presence of carboxyl groups and catechol groups in the polymer chain, rendering it superior antimicrobial activity against both Gram-negative Escherichia coli and Gram-positive Staphylococcus aureus microorganisms. This antifogging and antimicrobial thin coating shows strong prospects in medical and optical devices, with the extra benefits of avoiding potential pathogen infection in vitro or while in storage.