Andy Tao, Purdue University (IMAGE) Purdue University Caption The linear ion trap mass spectrometer in Andy Tao's lab allows the Purdue biochemist to quickly analyze biological samples such as snake venoms. It has the capability to analyze several hundred proteins in one hour. Here, Tao peers through the small window of the nanosprary ion source. Credit Purdue Agricultural Communication photo/Tom Campbell Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.