If you could introduce that gene you'd make the chemical, in this case it's a protein called vascular endothelial growth factor.

通过导入一种生成特殊化学物质的基因,这种疗法中指的是一种蛋白,叫做血管内皮生长因子

耶鲁公开课 - 生物医学工程探索课程节选

If I could find the unique set of proteins that correspond to those genes I could define chemically what the cell is.

而我又能找到和这些基因对应的,这种独特的蛋白,我就能通过化学手段确认这是哪种细胞

耶鲁公开课 - 生物医学工程探索课程节选

Here's the difference between normal hemoglobin and sickle hemoglobin, I can make - I can see a chemical difference, I can exploit it, how can I find it?

正常血红蛋白和镰状红细胞贫血的,血红蛋白有不同之处,我能够--我能看出有化学差异,我能去探寻差异,那么我怎么找到它呢

耶鲁公开课 - 生物医学工程探索课程节选

There are proteins that are responsible for receiving signals, chemical signals.

还有一些蛋白是负责接收信号的,化学信号

耶鲁公开课 - 生物医学工程探索课程节选