Lignin Nanoparticles (VIDEO) Aalto University This video is under embargo. Please login to access this video. Caption A PhD candidate of Aalto University is applying bio-based wood coating to a chair. The non-toxic wood coating resists abrasion, stain, and sunlight. Credit Fotoni Film and Communications 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.