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 ...

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. Get the Lab Handout (teachers request answer key) Lab ...

Numerous studies, employing a wide variety of methods, have been carried out to determine the typical caffeine content of commonly consumed beverages. This application note details how UV spectroscopy ...

How UV-Vis spectroscopy, with the Thermo Scientific ™ GENESYS ™ 180 UV-Visible Spectrophotometer and GENESYS Smart QC software, is used in the sports drink industry for quality control with Pass/Fail ...

Caffeine could be a useful addition to sunscreens since it both absorbs ultraviolet light and protects against skin cancer, scientists have said. The Standard Sign in ...

Scientists believe the chemical found in coffee absorbs ultraviolet radiation when applied to the skin and prevents tumours after exposure to sunlight. They found in experiments that mice were ...