Uric Acid Crystals (2 of 2) (image) Technische Universitaet Muenchen Caption The receptor Clec12a was stained with red dye and added to uric acid crystals. The red areas on the crystals indicate the binding of receptors. Credit K. Neumann/TUM Usage Restrictions Free for use in reporting on TU Muenchen, with the copyright noted 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.