Last year's contamination of milk and milk products in China has led Purdue researchers to develop a rapid test that can detect melamine and other contaminants quickly and easily. Professor R. Graham Cooks, Henry B. Hass distinguished professor of chemistry, Professor Zheng Ouyang of the Weldon School of Biomedical Engineering, and Guangming Huang, a postdoctoral research associate, made use of ongoing research to develop a miniature mass spectrometer system that can be used to perform tests without pretreatment and other elaborate preparations. The rest of the story can be found at University News Service.