Tabletop NMR Relaxometer (image) Texas Tech University Health Sciences Center El Paso Share Print E-Mail Caption A tabletop NMR relaxometer, a simpler and much smaller version of a MRI instrument, is used to detect water T2 in a blood sample. Blood in a narrow tube is placed into the device and within minutes, it produces a reading on metabolic health. The robot moves the process along more quickly by inserting and replacing the vials automatically. Credit Tommie Morelos / TTUHSC El Paso 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.