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16 Current news about the topic helmholtz

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Stealth-cap technology for light-emitting nanoparticles

14-Nov-2018

A team of scientists from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), in collaboration with researchers from Monash University Australia, has succeeded in significantly increasing the stability and biocompatibility of special light-transducing nanoparticles. The team has developed the ...

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Call for standards of epigenetic data

02-Oct-2018

At the heart of every cell is the nucleus, which acts as the cell’s control center. Recent studies have revealed more and more information about its organization and dynamics. However, the rapid development of methods and the increasing complexity of the collected data pose major challenges. ...

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How the internal compass is constructed in magnetotactic bacteria

19-Apr-2018

Magnetotactic bacteria are usually found in freshwater and marine sediments. One species, Magnetospirillum gryphiswaldense, is easily cultivated in the lab - with or without magnetic nanoparticles in their interior depending on the presence or absence of iron in the local environment. "So these ...

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Better kesterite solar cells with germanium

03-Apr-2018

Specific changes in the composition of kesterite-type semiconductors make it possible to improve their suitability as absorber layers in solar cells. As a team at the Helmholtz-Zentrum Berlin showed, this is particularly true for kesterites in which tin was replaced by germanium. The scientists ...

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Immortal cells for tailor-made active substances

12-Mar-2018

When scientists discover a new active substance, e.g. for use against a pathogen, they usually study its exact effect in cultured cells. But there is a lack of suitable test systems that simulate body tissues, because cells rapidly lose their specific properties once they are away from their ...

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Visible signals from brain and heart

New sensor measures calcium concentrations deep inside tissue

01-Dec-2017

Key processes in the body are controlled by the concentration of calcium in and around cells. A team from the Technical University of Munich (TUM) and the Helmholtz Zentrum München have developed the first sensor molecule that is able to visualize calcium in living animals with the help of a ...

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Repetitive elements shape embryonic chromatin landscape

30-Aug-2017

Retrotransposons are repetitive elements that form almost half of the mammalian genome. Even though they are so common, they have previously been considered to be fairly insignificant. Together with colleagues from the USA, scientists from the Helmholtz Zentrum München have now shown that ...

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Periodic modulation tweaks innovative particle accelerators

New method can enhance beam quality of plasma cells

29-May-2017

Scientists in Hamburg have come up with an ingenious way of improving so-called plasma accelerators, which are considered promising candidates to become the particle accelerators of the future. The quality of the electron beam produced by these innovative particle accelerators can be ...

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New electron source for materials analysis

16-Mar-2017

How can solar cells be made more efficient? How can solar and wind energy be best stored for later use? Technologies for the transformation of the German energy sector (Energiewende) require tailor-made materials which are both affordable and efficient. One important tool in the search for such ...

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Nanoparticle Exposure Can Awaken Dormant Viruses

18-Jan-2017

Nanoparticles from combustion engines can activate viruses that are dormant in in lung tissue cells. This is the result of a study by researchers of Helmholtz Zentrum München, a partner in the German Center for Lung Research (DZL). To evade the immune system, some viruses hide in cells of their ...

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