26 Current news of Deutsches Elektronen-Synchroton DESY


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Why van Gogh's Sunflowers are wilting

Analysis of chrome based colors at DESY


Vincent van Gogh (1853-1890) is famous for his use of bright yellow colours. The Dutch painter used so-called chrome yellows, a class of compounds consisting of lead, chromium and oxygen. "There are different shades of the pigment, and not all of them are photochemically stable over time," ...


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X-rays reveal electron puddles in ceramic superconductors

Study advances understanding of high-temperature superconductivity


Using high-energy X-rays, an international team of scientists has discovered a surprising inner structure of a special class of superconductors: Within these so-called high-temperature superconductors, the electrons form puddles of varying sizes throughout the material. This finding helps to ...


Filming the film: Scientists observe photographic exposure live at the nanoscale

Advanced method opens up new opportunities for investigation of dynamic processes


Photoinduced chemical reactions are responsible for many fundamental processes and technologies, from energy conversion in nature to micro fabrication by photo-lithography. One process that is known from everyday's life and can be observed by the naked eye, is the exposure of photographic film. ...


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Novel X-ray lens sharpens view into the nano world

DESY team produces high-power X-ray lens


A team led by DESY scientists has designed, fabricated and successfully tested a novel X-ray lens that produces sharper and brighter images of the nano world. The lens employs an innovative concept to redirect X-rays over a wide range of angles, making a high convergence power. The larger the ...


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Scientists X-ray chocolate


An X-ray study carried out at DESY allows to improve the quality of chocolate. The study offers new insights into the formation of fat bloom, an unwelcome white layer that occasionally forms on chocolate. "Although fat blooming is perfectly harmless, it causes millions in damage to the food ...


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X-ray laser reveals structure of blood pressure regulator

Promising step towards new and better medication


With a sophisticated X-ray analysis, a US-German team of scientists has solved the molecular structure of an important regulator for blood pressure in the human body. The study gives new insights into the function of this regulator and could aid the development of new medication with less ...


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Scientists X-ray anti-inflammatory drug candidates

Study resolves molecular structures of Spiegelmers for the first time


Using DESY's ultra bright X-ray source PETRA III, scientists have decoded the molecular and three-dimensional structure of two promising drug candidates from the new group of Spiegelmers for the first time. The results provide a deeper understanding of the mode of action of these substances that ...


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Researchers snap giant virus in 3-D

Study demonstrates potential of future X-ray laser investigations


Using the world´s most powerful X-ray laser, an international team of researchers, including scientists from DESY, have produced a 3-D image of an intact, infectious virus. The experiment at the SLAC National Accelerator Laboratory in the U.S. reveals part of the inner structure of the Mimivirus, ...


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Taking high-speed snapshots of living cells with an X-ray laser

X-ray imaging method captures living cells with unprecedented speed and resolution


An international team led by Uppsala University and including scientists from DESY and the European XFEL has for the first time successfully imaged whole living bacterial cells with an X-ray laser. The method used in this experiment can produce results that are of higher spatial and temporal ...


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X-ray pulses uncover free nanoparticles for the first time in 3-D

'Super microscope' reveals unexpected variety of shapes


For the first time, a German-American research team has determined the three-dimensional shape of free-flying silver nanoparticles, using DESY's X-ray laser FLASH. The tiny particles, hundreds of times smaller than the width of a human hair, were found to exhibit an unexpected variety of shapes, ...


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