The Michigan Engineer News Center

Photo-Acoustic Visualization

A photograph of a researcher holding vials.

Chang Lee, Ph.D., demonstrates his work in the KopLab in the Chemistry Building on Central Campus of the University of Michigan on August 3, 2017. Nano-sensors, equipped with pH indicating dye, target tumors and visualize the "true" pH levels of a cancer in an organism via photo-acoustic imaging. Photo: Akhil Kantipuly Michigan Engineering Communications & Marketing