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. 2021 Dec 14;12:7285. doi: 10.1038/s41467-021-27535-7

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© The Author(s) 2021

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Fig. 2 — a Molecular structure of 5mUrd. b Time-dependent excited-state population calculated by QM/MM simulations. c Experimental (left) and computed (right) TA maps of 5mUrd. Two photo-induced absorption bands (labeled PA1 and PA2) and a stimulated emission (SE) band can be identified. d TA dynamics at selected probe photon energies; signal intensity reported as differential optical density ΔA in mOD units. Source data are provided as a Source Data file.