Snake Venom Can Help Stop Bleeding (IMAGE) Rice University Caption The Brazilian lancehead is one of several South American pit vipers that produce venom that has proven to be a powerful blood coagulant. Scientists at Rice University have combined a derivative of the venom with their injectable hydrogels to create a material that can quickly stop bleeding and protect wounds, even in patients who take anti-coagulant medications. Credit Greg Hume via Wikipedia Usage Restrictions Available to anyone with attribution to Greg Hume. 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.