The metal centres in metalloenzymes and molecular catalysts are responsible for the
rearrangement of atoms and electrons during complex chemical reactions, and they enable …

Over more than a century, X-rays have transformed our understanding of the fundamental
structure of matter and have been an indispensable tool for chemistry, physics, biology …

We prepared bulk samples of supercooled liquid water under pressure by isochoric heating
of high-density amorphous ice to temperatures of 205±10 kelvin, using an infrared …

The hard X-ray free-electron laser at the Pohang Accelerator Laboratory (PAL-XFEL) in the
Republic of Korea achieved saturation of a 0.144 nm free-electron laser beam on 27 …

Recent experiments continue to find evidence for a liquid-liquid phase transition (LLPT) in
supercooled water, which would unify our understanding of the anomalous properties of …

Featured Application This article describes the layout of the European XFEL, a soft and hard
X-ray free-electron laser user facility starting operation in 2017. Emphasis is put on the …

Soluble methane monooxygenase (sMMO) is a multicomponent metalloenzyme that
catalyzes the conversion of methane to methanol at ambient temperature using a nonheme …

Over the last 20 years, XUV and X-ray free-electron lasers have enabled a wide variety of
time-resolved experiments that have dramatically advanced our understanding of ultrafast …

The European X-ray Free-Electron Laser Facility in Germany delivers x-ray pulses with
femtosecond pulse duration at a repetition rate of up to 4.5 MHz. The free-electron laser …

The advent of the X-ray free electron laser (XFEL) in the last decade created the discipline of
serial crystallography but also the challenge of how crystal samples are delivered to X-ray …