Power Density Titration of Reversible Photoisomerization of a Fluorescent Protein Chromophore in the Presence of Thermally Driven Barrier Crossing Shown by Quantitative Millisecond Serial Synchrotron X-ray Crystallography - Baxter,JM; Hutchison,CDM; Fadini,A; Maghlaoui,K; Cordon-Preciado,V; Morgan,RML; Agthe,M; Horrell,S; Tellkamp,F; Mehrabi,P; Pfeifer,Y; Muller-Werkmeister,HM; et al. (JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2024)