Graphene Oxide Films (IMAGE) Brown University Caption A new study shows that graphene oxide films can prevent mosquito bites by blocking the chemical cues mosquitoes use to sense that a blood meal is near. The findings raise the possibility that graphene -lined clothing might be a chemical-free mosquito bite deterrent. Credit Hurt Lab / Brown University Usage Restrictions None 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.