ParkResearch (IMAGE) Texas A&M University Caption The small device is designed to enable more individualized application of light dosing and photodynamic therapy. Credit Justin Baetge/Texas A&M Engineering Usage Restrictions none License Original 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.