A Scanning Electron Micrograph (IMAGE) Aalto University Caption A scanning electron micrograph shows a fishnet structure formed by nanocellulose that has bound 1.15 micrometers of silica particles together. Credit Bruno Mattos / Aalto 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.