3-6-21 Two posters at the 2021 Biophysical Society Meeting describe collaborations among the Acker, Loew and Ping labs developing new fluorescent probes for voltage-sensing. One poster with coauthors Julie Harris and Daniel Fairchild is entitled “New Chromophores For Fret-Based Voltage Sensing Systems” A second poster presents the work with JAX faculty Travis Hinton along with Anthony Pettinato and is describes “Optimization And Validation Of Fast Ratiometric Voltage-Sensitive Dye Imaging In Neuronal And Cardiac Tissues And Cultures.”