Voltage sensors: challenging, but with potential

All-optical electrophysiology in mammalian neurons using engineered microbial rhodopsins

(2014) Daniel R Hochbaum et al.   NATURE METHODS

High-fidelity optical reporting of neuronal electrical activity with an ultrafast fluorescent voltage sensor

(2014) François St-Pierre et al.   NATURE NEUROSCIENCE

Archaerhodopsin variants with enhanced voltage-sensitive fluorescence in mammalian and Caenorhabditis elegans neurons

(2014) Nicholas C. Flytzanis et al.   Nature Communications

Imaging neural circuit dynamics with a voltage-sensitive fluorescent protein

(2012) Walther Akemann et al.   JOURNAL OF NEUROPHYSIOLOGY

Single Action Potentials and Subthreshold Electrical Events Imaged in Neurons with a Fluorescent Protein Voltage Probe

(2012) Lei Jin et al.   NEURON

Optical recording of action potentials in mammalian neurons using a microbial rhodopsin

(2011) Joel M Kralj et al.   NATURE METHODS