21st Century Scientists: Mary Wirth

In this 21st Century Chemist profile, Purdue University analytical chemist Mary Wirth works with "nanomaterials" to improve the clarity and accuracy of tests for tiny "biomarker" proteins that indicate disease -- specifically, levels of PSAs, or Prostate Specific Antigens, that signal prostate cancer.

Provided by the National Science Foundation & NBC Learn

Runtime: 6:31

More Chemistry Now videos

Get Science360's video of the day in your mailbox each weekday.

Sign up now!
» More videos about Chemistry, People & Society