In the new study on mice, researchers found that inhaling nanotubes affected the function of t cells, a type of white blood cell that organises the immune system to fight infections.

在对小鼠的这项新研究中，研究人员发现，吸入碳纳米管影响了T细胞的功能，T细胞是一种组织免疫系统抵抗感染的白血细胞。

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The method exploits a characteristic of immune cells carried in the blood known as t cells. The approach enables scientists to estimate a person's age, give or take nine years either side.

在这种方法中，科学家通过运用血液中携带的免疫T细胞的特点，可以估计一个人的年龄，而误差为九岁左右。

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The researchers engineered a virus that infected a patient's T-cells, a type of white blood cell, and carried instructions to bind to cancer cells and ultimately kill them.

研究人员研制出一种病毒，这种病毒可以感染患者的一种白血细胞T型细胞，并接受指令与癌细胞结合在一起，并最终杀死癌细胞。

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We did not yet have good methods for screening blood to look for HIV, we didn't have the ELISA technique that I--we talked about in section a few weeks ago and so there was a great concern that there might be other diseases that you'd be passing on from-- unknowingly from this subset of patients that you're isolating the vaccine from.

那时我们还没有一种好的方式,来从血液中筛查出HIV,也还没有ELISA技术,该技术我们在几周前的一个章节中谈到过,因此,那时仍存有,很大的担心,那就是你有可能,在不知情的情况下,被那些病人,感染上其它疾病,因为疫苗就是从他们身上提取出来的

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