Fig. 3 (IMAGE) Osaka University Caption Schematic of FRET-type probe (left) as well as calcium and ATP concentration changes in the same cell (right). Addition of histamine at 0 min. Credit Kazunori Sugiura Usage Restrictions No restrictions 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.