Fig. 1: Ultrafast energy transfer in NADH. | Nature Communications

Fig. 1: Ultrafast energy transfer in NADH.

From: Sub-100-fs energy transfer in coenzyme NADH is a coherent process assisted by a charge-transfer state

Fig. 1

Transient absorption (TA) maps of a Adenosine (Ade) and b NADH in piperazine-N,N′-bis(2-ethanesulfonic acid) (PIPES) aqueous buffer upon photoexcitation with sub-20-fs pulses at 4.7 eV. The dashed lines indicate the selected time-traces shown in Fig. 1c, d for detection at 3.1 eV (black dashed line) and 2.5 eV (gray dashed line). c, d Time-traces of Ade (green) and NADH (blue) for probing at c 3.1 eV and d 2.5 eV respectively. The faint gray line in Fig. 1c, d defines the zero line (ΔA = 0). Schematics depicting the ultrafast vibronic processes after Ade resonant excitation which lead to e internal conversion (IC) in Ade and f direct/through-CT coherent EET in NADH. Source data are provided as a Source Data file.

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