Micropatterned MeTro Gel (image) Brigham and Women's Hospital Caption Researchers made a micropatterned MeTro gel by placing the MeTro solution on a glass slide, and then using a mold and UV light to impress a micropattern on it. Credit Image courtesy of Ali Khademhosseini lab. Usage Restrictions Please only use with associated press release. 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.