Rapid sample delivery for megahertz serial crystallography at X-ray FELs
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Center for Free-Electron Laser Science; Univ. of Hamburg (Germany). Dept. of Physics; Univ. of Hamburg (Germany). Hamburg Center for Ultrafast Imaging
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Center for Free-Electron Laser Science; Univ. of Hamburg (Germany). Hamburg Center for Ultrafast Imaging
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Center for Free-Electron Laser Science
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Center for Free-Electron Laser Science; Hamburg Univ. of Technology, Hamburg (Germany)
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Center for Free-Electron Laser Science; Univ. of Hamburg (Germany). Dept. of Physics
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Photon Science
- European X-ray Free-Electron Laser (XFEL), Hamburg (Germany)
- Arizona State Univ., Tempe, AZ (United States)
- Univ. de Sevilla, Sevilla (Spain). Dept. of Aerospace Engineering and Fluid Mechanics
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Center for Free-Electron Laser Science; Max Planck Inst. of Biochemistry, Martinsried (Germany). Dept. of Cellular and Molecular Biophysics
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Rutgers University Newark, Newark, NJ (United States). Dept. of Physics; SLAC National Accelerator Lab., Menlo Park, CA (United States). Photon Ultrafast Laser Science and Engineering Inst. (PULSE)
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Center for Free-Electron Laser Science, and Photon Science
- Arizona State Univ., Mesa, AZ (United States). Biodesign Inst., School of Life Sciences
- Arizona State Univ., Tempe, AZ (United States). Biodesign Inst., School of Life Sciences
- Australian National Univ., Canberra, ACT (Australia). Research School of Physical Sciences and Engineering, Laser Physics Centre
Liquid microjets are a common means of delivering protein crystals to the focus of X-ray free-electron lasers (FELs) for serial femtosecond crystallography measurements. The high X-ray intensity in the focus initiates an explosion of the microjet and sample. With the advent of X-ray FELs with megahertz rates, the typical velocities of these jets must be increased significantly in order to replenish the damaged material in time for the subsequent measurement with the next X-ray pulse. Here in this paper, this work reports the results of a megahertz serial diffraction experiment at the FLASH FEL facility using 4.3 nm radiation. The operation of gas-dynamic nozzles that produce liquid microjets with velocities greater than 80 m s-1was demonstrated. Furthermore, this article provides optical images of X-ray-induced explosions together with Bragg diffraction from protein microcrystals exposed to trains of X-ray pulses repeating at rates of up to 4.5 MHz. Finally, the results indicate the feasibility for megahertz serial crystallography measurements with hard X-rays and give guidance for the design of such experiments.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE; European Union (EU); Australian Research Council (ARC); German Research Foundation (DFG)
- Grant/Contract Number:
- AC02-76SF00515; DPI2016-78887; ERC-614507-Kupper
- OSTI ID:
- 1475541
- Journal Information:
- IUCrJ, Vol. 5, Issue 5; ISSN 2052-2525
- Publisher:
- International Union of CrystallographyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Web of Science
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