Purdue-designed Mass Spectrometer (IMAGE) Purdue University Caption The Purdue-designed mass spectrometer to help guide brain surgery is shown in the Advanced Multi-Modality Image Guided Operating suite at Brigham and Women's Hospital. Credit (Photo courtesy of Brigham and Women's Hospital) Usage Restrictions For editorial use only. 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.