Tb-BTC (VIDEO) Shinshu University This video is under embargo. Please login to access this video. Caption Video showing the quenching of Terbium green emission when cotton is in contact with the aqueous fluoride solution, this change is proportional to the fluoride concentration and used in the tech-demo used for fluoride quantification. Credit Copyright © 2021, Kimura Lab., Shinshu University Usage Restrictions The video may only be used with appropriate caption or credit. 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.