Uric Acid Crystals (2 of 2) (image) Technical University of Munich (TUM) Share Print E-Mail 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 Share Print E-Mail 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.