Trace Matters Scientific introduces SPion™ technology to enable in vivo mass spectrometry (image) Trace Matters Scientific Share Print E-Mail Caption SPion™ is a leap forward that allows scientists to bring the accuracy and specificity of a mass spectrometer to their sample in native state, and experience unprecedented sensitivity in remote analysis. Credit © Trace Matters Scientific. Usage Restrictions None Share Print E-Mail 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.