ASAP4b
Bright-optimized ASAP4 variant with superior brightness and photostability for extended two-photon recordings.
Category: VSD-cpGFP GEVI · Published: 2023 · Nature Methods 2023
Speed: τ_on=3.93 ms, τ_off=8.4 ms
Dynamic Range: 180% ΔF/F per 100mV
Sensitivity: 35% ΔF/F per AP
Brightness: 0.4468× vs asap3
Research Papers (2)
- Voltage imaging reveals hippocampal inhibitory dynamics shaping pyramidal memory-encoding sequences — Taxidis J, et al., Nature Neuroscience 2025
- Imaging sensory transmission and neuronal plasticity in primary sensory neurons with a positively tuned voltage indicator — Zhang Y, et al., Nature Communications 2025