Tetanus toxin can also be found in the serum using a bioassay.

生物测定法可在血清中伤风毒素。

And then we used these substances to create bioassays that enabled us to discover the first substances that stopped cancer blood vessels and to help stop cancer.

然后我们用这些物质来创建生物检测，使我们能够第一种阻止肿瘤血管的物质，进而帮助阻止肿瘤生长。

But, throughout the 20th century, other methods were explored: the AZ Pregnancy Reaction Test popped up in 1928 and was the first of several " bioassays" or animal-based tests.

但是，20纪，人们都在探索其他的方法：AZ妊娠反应测试出于1928年，是多种“生物鉴定”或基于动物进行的测试中的第一种。

Today's tests still work by measuring HCG. But, throughout the 20th century, other methods were explored; the AZ Pregnancy Reaction Test popped up in 1928 and was the first of several " bioassays" or animal-based tests.

今天的测试仍然通过测量 HCG 起作用。 但是，在 20 纪，人们探索了其他方法；AZ 妊娠反应测试于 1928 年出， 是多项“生物测定” 或基于动物的测试中的第一项。