QuasAr1

First-generation QuasAr with extremely fast response times.

Category: Opsin GEVI · Published: 2014 · Nature Methods 2014

Speed: τ_on=0.05 ms, τ_off=0.07 ms

Dynamic Range: 32% ΔF/F per 100mV

Sensitivity: 21% ΔF/F per AP

Brightness: 15.2× vs arch

Research Papers (1)

All-optical electrophysiology in mammalian neurons using engineered microbial rhodopsins — Hochbaum DR, Zhao Y, Farhi SL, Klapoetke NC, Werley CA, Kapoor V, Zou P, Kralj JM, Maclaurin D, Smedemark-Margulies N, Saulnier JL, Boulting GL, Straub C, Cho YK, Melkonian M, Wong GKS, Harrison DJ, Murthy VN, Sabatini BL, Boyden ES, Campbell RE, Cohen AE, Nature Methods 2014