Positron

Positive-going Voltron variant with inverted fluorescence polarity.

Category: Chemigenetic GEVI · Published: 2020 · Nature Communications 2020

Speed: τ_on=0.63 ms, τ_off=0.64 ms

Dynamic Range: 23% ΔF/F per 100mV

Sensitivity: 5.9% ΔF/F per AP

Brightness: 0.59× vs voltron

Research Papers (2)

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