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·1312· 精细化工 FINE CHEMICALS 第 35 卷

97.77%、95.56%、77.78%，而 C 12 -PSi x -C 12 对金黄 且抗菌性能随着连接基长度的增加而下降。3 种表
色葡萄球菌的抑菌率分别为 99.64%、99.64%、 面活性剂对细菌抑菌效果好于对霉菌的抑菌效果，
92.28%。说明 C 12 -PSi x -C 12 在对细菌的抗菌性中，对 其对细菌的最大抑菌率均可达到 100%，而对霉菌的
革兰氏阳性菌（金黄色葡萄球菌）的抵抗能力优于 最大抑菌率分别为 100%、78.95%、73.68%。
革兰氏阴性菌（大肠杆菌）。这是由于两种细菌的细
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胞结构不同导致的，革兰氏阳性菌中有大量的糖醛
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