Matrix assisted antibacterial activity of polymer conjugates with pendant antibiotics, and bioactive and biopassive moieties
作者:Ishita Mukherjee、Anwesha Ghosh、Punyasloke Bhadury、Priyadarsi De
DOI:10.1039/c9tb00328b
日期:——
retained the antibiotics in their active original form. The antibacterial activity of the polymeric system was evaluated against several bacterial species, namely, Escherichia coli (E. coli), Bacillus subtilis (B. subtilis), Staphylococcus aureus (S. aureus), Vibrio alginolyticus (V. alginolyticus), and Vibrio chemaguriensis Iso1 (V. chemaguriensis), in both liquid and solid matrices. The copolymer displayed
使用环丙沙星(一种众所周知的氟喹诺酮类抗生素)基聚合物系统,根据带有侧链阳离子电荷和两性离子单元的聚合物系统,对液体和固体基质中的一系列潜在致病细菌菌株进行了抗菌活性评估。含有环丙沙星的聚合物结构被设计为结合阳离子部分的生物活性杀伤特性,而生物被动活性则受两性离子基团的细菌排斥能力调节。叔将氨基甲酸丁酯(Boc)-亮氨酸羟甲基丙烯酸甲酯(Boc-Leu-HEMA),Boc-环丙沙星羟甲基丙烯酸甲酯(Boc-Cipro-HEMA)和两性离子磺基甜菜碱甲基丙烯酸甲酯(SBMA)进行共聚,然后在酸性条件下将Boc基团从共聚物上脱保护。Boc脱保护导致亮氨酸部分带有阳离子电荷的水溶性聚合物,并以其活性原始形式保留了抗生素。评价了聚合物系统对几种细菌的抗菌活性,即大肠杆菌(E. coli),枯草芽孢杆菌(B. subtilis),金黄色葡萄球菌(S. aureus),溶藻弧菌(Vibrio alginolyticus)(V