问题是,抗体能够识别出较大的分子,比如以蛋白质形式表现出来的,像细菌,病毒,或者别的感染物质。
Small molecules, such as drugs, go unnoticed.
较小的分子,比如毒品,却不能识别出来。
But not for much longer, if Kim Janda of the Scripps Research Institute in San Diego has hisway.
不久后这一情况会有所改变,圣地亚哥克里斯普研究所的Kim Janda谈到。
In a paper just published in the Journal of the American Chemical Society, Dr Janda and hiscolleagues suggest how a vaccine against methamphetamine, a popular street drug, mightbe made.
近期出版的美国化学学会杂志中,一篇文章提到,Janda博士及他的同事们发现,一种对抗常见毒品甲基苯丙胺的疫苗有望实现。
If their method works, it would open the possibility of vaccinating people against other drugs,too.
以此类推,对抗其他毒品的疫苗也将可能到来。
The idea of a methamphetamine vaccine is not new.
研制对抗甲基苯丙胺的疫苗设想已不是新话题了。
The problem is getting the immune system to pay attention to a molecule that is such asmall target.
关键在于免疫系统能发现这样小的目标。
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