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A Mousetrap For Bacteria

机译:细菌捕鼠器

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Antiseptics have saved countless lives, but they are most effective when the bacteria they are attacking are individual cells in suspension. Once bacteria have attached themselves to solid surfaces and formed films, they are far harder to eradicate with standard disinfectants. Bacterial contamination of medical devices is a particular problem, as those devices are then used on people whose immune systems may be in less than tip-top condition. Surgical instruments can be heat-sterilised or treated with ultraviolet light, but that is not appropriate for everything. The result is that infections arising from bacteria attached to surfaces in clinics and hospitals are reckoned to cause up to 1.4m deaths per year.
机译:防腐剂挽救了无数生命,但当它们攻击的细菌是悬浮的单个细胞时,它们最有效。一旦细菌将其自身附着在固体表面并形成薄膜,它们就很难用标准消毒剂根除。医疗设备的细菌污染是一个特殊的问题,因为这些设备随后被用于免疫系统可能未达到最佳状态的人们。手术器械可以进行热灭菌或用紫外线进行处理,但这并不适合所有情况。结果是,据估计,诊所和医院表面附着的细菌引起的感染每年导致多达140万人死亡。

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    《The economist》 |2009年第8621期|vii|共1页
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