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. 2017 Jul 10;8:71. doi: 10.1038/s41467-017-00120-7

Fig. 1.

Fig. 1

Photophysics model of carotenoids. The three-state model (a), the four-state model involving 1Bu (b) and the new four-state model containing Sy (c) used to interpret the excited-state dynamics of carotenoids