Positron
Positive-going Voltron variant with inverted fluorescence polarity.
Category: Chemigenetic GEVI · Published: 2020 · Nature Communications 2020
Speed: τ_on=3.39 ms, τ_off=4.28 ms
Dynamic Range: 23% ΔF/F per 100mV
Sensitivity: 5.9% ΔF/F per AP
Brightness: 0.59× vs voltron
Research Papers (3)
- A general approach to engineer positive-going eFRET voltage indicators — Abdelfattah AS, et al., Nature Communications 2020
- Positive-going hybrid indicators for voltage imaging in excitable cells and tissues — Liu S, et al., Science Advances 2025
- Improving positively tuned voltage indicators for faster kinetics and higher contrast — Lee S, Zhang G, Hao YA, et al., bioRxiv 2024