还可检测出对病毒的抗体，在细胞培养基上可以分离出病毒。

Antibodies to the virus can be detected, and the virus can be isolated in cell culture.

youdao

但在2d的细胞培养基中，这样的梯度就不存在了。

But in 2d cell cultures, such gradients aren't present.

youdao

可是，生物化学家已完成了在无细胞培养基上增殖过程的某些阶段。

However biochemists have achieved certain steps of the multiplication process in cell-free media.

youdao

We'll talk about cell culture engineering during Week 4, how do you maintain cells in culture, what are the limits of this.

第四周我们会探讨细胞培养工程,人们如何在培养基中维持细胞的存活,这种方法的局限性是什么

耶鲁公开课 - 生物医学工程探索课程节选

You infect them with the virus, and you let the cells, in culture, produce the virus.

再用病毒感染它们,使培养基中的细胞产生病毒

耶鲁公开课 - 生物医学工程探索课程节选

So, you would grow these monkey kidney cells in culture, you would add some virus to the culture broth, the cells would become infected, the virus would go through its life cycle.

我们在培养基中培养这些猴肾细胞,然偶加入一些脊髓灰质炎病毒,这样细胞就会被感染,病毒开始不断繁殖

耶鲁公开课 - 生物医学工程探索课程节选