MEMS Sensors Probe Plaque (IMAGE) University of Southern California Caption The experimental setup. The probe seen scans plaque samples taken from rabbits fed a fatty diet (upper left) and can distinguish stable and unstable versions. It could theoretically go into an angiogram catheter. Credit USC Viterbi School of Engineering Usage Restrictions credit USC Viterbi School of Engineering 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.