How does the filter remove poisonous chemicals and deadly bacteria from the air?

过滤器是如何除去空气中的有毒化学品或致命细菌呢？

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Dr Cui's filter, though, does not screen the bacteria out. It kills them.

而崔博士的新型净水器，不是把细菌过滤掉，而是把它们统统杀死。

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As they report in the latest edition of Nano Letters, Dr Cui and his team found that when the filter was operated at -20 volts it killed 89% of the bacteria and that at + 20 volts it killed 77%.

正如在最新一期《纳米快报》中报道的一样，崔教授与其团队发现滤水器在- 20伏的电压下工作时，可消灭89%的细菌，在+ 20伏的电压下工作时，可消灭77%的细菌。

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A protective coating of colloidal silver is painted on the inside and outside of the filter to kill bacteria.

VOA: special.2009.06.22

The microscopic whiskers can stop bacteria in a face mask or filter out water droplets in a hospital's air conditioner.

FORBES: Back on Track

Light-emitting chemicals used in the filter help scientists measure how many bacteria are bound onto the antibodies.

BBC: Speedy 'burger bug' test

The building had tested negative three times previously for anthrax, but workers from the Centers for Disease Control and Prevention used a special vacuum with a filter developed to detect even the most minute amounts of the deadly bacteria.

BBC: Anthrax found in Connecticut mail facility