UMass Chan Medical School, Part 2

Hey, do you know what this machine is? It's called an Agilent #GC, or gas #chromatography system. It's a device that can separate and #analyze different compounds in a sample, such as food, water, drugs, or chemicals. How does it work? Well, it uses a carrier gas, like helium or #hydrogen, to push the sample through a long, thin tube called a column. The column has a coating that interacts with the sample molecules, making some of them stick longer than others. This way, the molecules come out o