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. 2009 Jun;133(6):583–601. doi: 10.1085/jgp.200810085

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© 2009 Takeuchi et al.

This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.jgp.org/misc/terms.shtml). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 3.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/3.0/).

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Figure 7. — Intensity and duration dependence of the light-induced current response to caged Ca. (A) Membrane currents were recorded from various intensities (changed from 0.03 to 0.78). Duration, 200 ms. (B) Intensity–response relation of the light-induced current. Peak amplitudes of the current responses obtained from A were plotted against the intensity of the light stimulation. The smooth line shows the least-square fitting of data with the Hill equation. n_H was 1.8. (C) Current responses were obtained with various durations (changed from 20 to 250 ms). Intensity, 0.48. (D) Time–response relation. Peak amplitudes of the current responses obtained from C were plotted against the intensity of the light stimulation. The smooth line was drawn by the least-square fitting of data by the Hill equation, with n_H of 1.8. V_h = −50 mV.