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34 Current news of Helmholtz-Zentrum Berlin für Materialien und Energie
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Nanopatterns of proteins detected by cryo-electron microscopy
Nanostructures for electronics, catalysis, medicine
22-Oct-2020
A team from Helmholtz-Zentrum Berlin (HZB) used cryo electron microscopy to detect regular, two-dimensional structures in the form of Pascal triangles in a shock frozen protein material. The samples have been synthesized by a Chinese research group. The method of cryo electron microscopy has the ...
Ultra-fast switching of helicity of circularly polarized light pulses
The ultra-fast change of light helicity is particularly interesting to observe processes in magnetic materials
03-Apr-2020
At the BESSY II storage ring, a joint team of accelerator physicists, undulator experts and experimenters has shown how the helicity of circularly polarized synchrotron radiation can be switched faster - up to a million times faster than before. They used an elliptical double-undulator developed ...
Coronavirus: BESSY II data accelerate drug development
23-Mar-2020
A coronavirus is keeping the world in suspense. SARS-CoV-2 is highly infectious and can cause severe pneumonia with respiratory distress (COVID-19). Scientists are doing research in order to prevent the viruses from multiplying. A team from the University of Lübeck has now found a promising ...
Nanoparticles can change cells
14-Feb-2020
Nanoparticles easily enter into cells. New insights about how they are distributed and what they do there are shown for the first time by high-resolution 3D microscopy images from BESSY II. For example, certain nanoparticles accumulate preferentially in certain organelles of the cell. This can ...
Watching complex molecules at work
17-Jan-2020
A new method of infrared spectroscopy developed at BESSY II makes single-measurement observation and analysis of very fast as well as irreversible reaction mechanisms in molecules feasible for the first time. Previously, thousands of such reactions have had to be run and measured for this ...
Malaria pathogens under the X-ray microscope
X-ray microscopy at BESSY II reveals how antimalaria-drugs might work
04-Nov-2019
Malaria is one of the most threatening infectious diseases in the world. An international team has now been able to investigate malaria pathogens in red blood cells in vivo using the BESSY II X-ray microscope and the ALBA and ESRF synchrotron sources. The scientists reveal the mechanisms used by ...
Catalyst research for solar fuels: Amorphous molybdenum sulphide works best
08-Apr-2019
Efficient and inexpensive catalysts will be required for production of hydrogen from sunlight. Molybdenum sulphides are considered good candidates. A team at HZB has now explained what processes take place in molybdenum sulphides during catalysis and why amorphous molybdenum sulphide works ...
Water is more homogeneous than expected
22-Feb-2019
In order to explain the known anomalies in water, some researchers assume that water consists of a mixture of two phases even under ambient conditions. However, new X-ray spectroscopic analyses at BESSY II, ESRF and Swiss Light Source show that this is not the case. At room temperature and normal ...
Blue phosphorus - mapped and measured for the first time
18-Oct-2018
Until recently, the existence of "blue" phosphorus was pure theory: Now an HZB team was able to examine samples of blue phosphorus at BESSY II for the first time and confirm via mapping of their electronic band structure that this is actually this exotic phosphorus modification. Blue phosphorus ...
Insight into catalysis through novel study of X-ray absorption spectroscopy
02-Aug-2018
An international team has made a breakthrough at BESSY II. For the first time, they succeeded in investigating electronic states of a transition metal in detail and drawing reliable conclusions on their catalytic effect from the data. These results are helpful for the development of future ...
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