Glucose sensor 1 (IMAGE) University of Bath Caption The enzyme-free sensor is more robust and not temperature sensitive so could be particularly useful in hot countries or where refrigeration is limited. Credit Integrated Graphene Usage Restrictions None 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.