一种有助于中和水稻铝毒性的基因已经被鉴定出来。
A gene that helps neutralize aluminum toxicity in rice has been identified.
苯是一种有高毒性的毒素,它会致癌。
Benzene is a highly poisonous toxin that is also carcinogenic.
因此很多公司都声称要提供更加高效,更小毒性的产品。
Inevitably companies have claimed to offer products that are more effective and less toxic.
Cyanide is incredibly toxic, it's a poison.
氰化物有极高的毒性,它是一种毒药。
And that's an engineering problem that we're going to talk a lot about, how to deliver drugs so that you get the action that you want, at the site that you want and not the toxicity.
这的确是一个工程学问题,我们马上就来讨论,如何把药物注射到你想要它起作用的部位,而不产生毒性
In this case here, you're generating host cells, cytotoxic T-cells, that can kill only very specific cells, cells that are expressing this foreign antigen.
而在这个例子中,人产生宿主细胞,即细胞毒性T细胞,它只会消灭特定的细胞,也就是携带特定异己抗原的细胞
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