资讯

In this laboratory, students will see how to isolate caffeine from a cup of coffee and use spectroscopy to measure the amount of caffeine present. This lab was created by the Ren Research group at ...
"It must be something about coffee as a whole, rather than the caffeine in isolation, that stimulates a bowel movement," says Jill Deutsch, MD, director of the Yale Functional Gastrointestinal ...