Nano silver took anti-bacteria action on both Gram negative and Gram positive bacteria, the anti- bacteria abilities strengthened with the dosage increasing.

纳米银对革兰氏阳菌和革兰氏阴菌均有抗菌作用，抗菌性能随用量的增多而增强。

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Now we know why: it seems nickel imitates the action of bacteria.

现在我们了解了为什么会这样：看上去是镍模仿了细菌的行为。

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Microbial fuel cells work through the action of bacteria which can pass electrons to an anode.

微生物燃料电池工作原理是能把电子传递到阳极的细菌活动。

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Not only is interferon-beta an ineffective weapon against bacteria, it can block the action of interferon gamma - which is when bacteria can gain a foothold, the researchers said.

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The physical nature of this action prevents bacteria from developing resistance to these nanoparticles.

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But in real-life use, quats in their dry state may not effectively kill bacteria as moisture is needed for their action, he adds, or they could rub off or get covered by dust.

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