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The current state-of-the-art experiments in time-resolved structural biology are undoubtedly the recent extremely impressive results that are emerging from XFEL-based experiments. However, there is a large range of macromolecular systems where the biological interest is predominantly in the slower dynamics (μs-s), that produce well diffracting microcrystals, and for which synchrotron-based experiments are extremely well suited. The combination of microfocus X-ray beams and the development of a range of sample delivery platforms has now made routine millisecond time-resolved experiments at microfocus macromolecular crystallography beamlines a real possibility and is driving development of dedicated endstations for time-resolved serial synchrotron crystallography.
Pearson et al. (2020) studied this question.