Typical lab tests can take hours (if not days) to analyze, process, and confirm a specific biological agent, and that's only if the lab knows exactly what antigen it's looking for.

典型的实验室测试可以在几个小时(或者几天)内对某种特殊的生物制剂进行分析，加工处理和确认。但往往只有在该实验室知道什么是他们所要的抗原时才能实现。

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Each has receptor molecules on its surface that Bind to a specific antigen.

每个淋巴球在表面都有受体分子，可结合成一种特殊的抗原。

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Conclusion as a specific antigen in mixed melanocyte lymphocyte reaction, melanocyte has a weak effect on the lymphocytes.

结论正常人黑素细胞的促淋巴细胞转化增殖的特异性抗原作用较弱。

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So, I have a bacteria infection, stimulates my immune system, I start making antibodies that bind to an antigen specific to that bacteria.

所以 如果我被细菌感染了,我的免疫系统被激活,开始制造抗体,这些抗体结合到细菌特异性的抗原上

耶鲁公开课 - 生物医学工程探索课程节选

I realize that this thinking about antigen, antibody combinations and the mathematics of how strongly an antibody binds to a specific antigen, is maybe something that's new to you.

我觉得这些关于 抗原抗体结合,以及,抗体如何强有力地结合抗原的问题,对你们来说很新鲜

耶鲁公开课 - 生物医学工程探索课程节选

What's variable about them is that they bind to a specific antigen.

它们可变的原因是,它们需要结合不同的抗原

耶鲁公开课 - 生物医学工程探索课程节选

Men who get tested for prostate specific antigen, or PSA, have a 13.5% chance of landing in the danger zone.

FORBES: Medical Tests

But UC David professor Michael Wilkes investigated and learned that the seminar was primarily a sales pitch about the prostate specific antigen (PSA) test, and that its main message was that men should get tested regularly beginning at age 40.

FORBES: UC Davis threatens professor for writing about PSA testing

Well, there is a reference to the pain of the test itself, presumably the PSA (Prostate Specific Antigen) test.

FORBES: Head-In-The-Sand Medicine: To Test Or Not To Test