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. 2015 Feb 9;5:8317. doi: 10.1038/srep08317

Figure 2. Optical responses of ChRGR-expressing C2C12 myotubes.

Figure 2

(A) Typical photocurrent traces (black lines) from a photosensitive multinucleated myotube induced by cyan LED light at various intensities (blue lines; 0.16–1.58 mWmm−2). (B) Power dependency of the peak current (filled diamonds) and steady-state current amplitudes (open circles). (C) Rhythmic action potentials generated by repetitive cyan LED flashes (blue lines; duration, 20 ms; frequency, 1 Hz) with the current clamp.