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Showing 1–12 of 12 results
Advanced filters: Author: Claudiu A Stan Clear advanced filters

  • X-ray fee-electron lasers (XFELs) enable time-resolved crystallography experiments and the structure determination of proteins with little or no radiation damage. However currently it is unknown whether the designated 4.5 MHz maximum pulse rate for the European XFEL could lead to sample damage caused by shock waves from preceding pulses. Here, the authors address this question by performing a X-ray pump X-ray probe experiment on haemoglobin microcrystals at the Stanford XFEL facility that mimics the 4.5 MHz data collection mode and observe structural changes and a drop in diffraction data quality of the crystals.

    • Marie Luise Grünbein
    • Alexander Gorel
    • Ilme Schlichting
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-11

  • Optical microscopy and X-ray diffraction are used to study the freezing of water droplets in vacuum, leading to the development of a seven-stage model of freezing and the mapping of ice structures and crystal order.

    • Armin Kalita
    • Maximillian Mrozek-McCourt
    • Claudiu A. Stan
    Research
    Nature
    Volume: 620, P: 557-561

  • The European X-ray free-electron laser (EuXFEL) in Hamburg is the first megahertz (MHz) repetition rate XFEL. Here the authors use lysozyme crystals and microcrystals from jack bean proteins and demonstrate that damage-free high quality data can be collected at a MHz repetition rate.

    • Marie Luise Grünbein
    • Johan Bielecki
    • Ilme Schlichting
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-9

  • Researchers demonstrate fast optical focusing using an oscillating liquid lens. The method could lead to the development of three-dimensional imaging instruments with rapid data collection.

    • Claudiu A. Stan
    News & Views
    Nature Photonics
    Volume: 2, P: 595-596

  • Electron-phonon interaction is essential for understanding electronic and optical properties of lead halide perovskites. Here, using multiphonon Raman scattering and THz time-domain spectroscopy, the authors characterize the full phonon spectrum of CsPbBr3 and identify a single phonon mode that dominates electron-phonon scattering.

    • Claudiu M. Iaru
    • Annalisa Brodu
    • Andrei Yu. Silov
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8

  • X-ray-induced explosions in water drops, examined using time-resolved imaging, show interacting high-speed liquid and vapour flows. This type of X-ray absorption dynamics is predictable and may be used for inducing particular dynamical liquid states.

    • Claudiu A. Stan
    • Despina Milathianaki
    • Sébastien Boutet
    Research
    Nature Physics
    Volume: 12, P: 966-971

  • The new European X-Ray Free-Electron Laser (EuXFEL) is the first XFEL that generates X-ray pulses with a megahertz inter-pulse spacing. Here the authors demonstrate that high-quality and damage-free protein structures can be obtained with the currently available 1.1 MHz repetition rate pulses using lysozyme as a test case and furthermore present a β-lactamase structure.

    • Max O. Wiedorn
    • Dominik Oberthür
    • Anton Barty
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-11