Hannes Orelma, Aalto University (IMAGE) Aalto University Caption Doctoral candidate Hannes Orelma is placing a nanofibrillar cellulose film to a printer for injecting substances that will react to the tested substance. Credit Vera Adolfi 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.