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. 2012 Oct 3;7(10):e46911. doi: 10.1371/journal.pone.0046911

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© 2012 Ohshima et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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(A) Oscillation time courses are plotted for varying N/C ratios from 2.9 to 19% with the amplitude shown in color for higher and lower in red and blue, respectively. Representative oscillations are shown on the right. This representation shows overall oscillation pattern. There is no change in the oscillation frequency by changing N/C ratios which is seen by a regular color interval among different N/C ratios. The damping of the oscillation is faster in smaller N/C volume ratios which is supported by disappearance of the periodic color change at the later time in smaller N/C ratios. At higher N/C ratios, however, the oscillation lasts for more than 10 hrs. (B) There is no change in the oscillation frequency (f) with changes in the N/C ratio. (C) The amplitude of the first peak (A₀) becomes smaller at larger N/C values. (D) The time to the first peak (t_fp) also stays almost unchanged by the change in N/C. (E) The decay time constants of the peaks (τ_p) and successive amplitudes (τ_d) of oscillation becomes larger at larger N/C ratios. τ_p and τ_d at larger N/Cs could not be extracted from the simulated oscillation.