Reaction samples (IMAGE) Tokyo Institute of Technology Caption A reaction of thioacetic acid, thiols and iron producing thioesters and an iron sulfide mineral. Credit Sebastian Sanden, ELSI. Usage Restrictions The image may only be used with appropriate caption and credit. License Licensed 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.