Putative carbon monoxide poisoning antidote (IMAGE) University of California - Santa Cruz Caption A bulky, water-soluble iron-porphyrin compound has been prepared that binds CO, sequesters CO from COHb, and rescues CO-poisoned red blood cells. As such, it can serve as the basis for the development of a small-molecule CO poisoning antidote. Credit Droege & Johnstone Usage Restrictions For use only with news coverage of this research 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.