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10 Current news of Helmholtz-Zentrum Berlin für Materialien und Energie

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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 ...

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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 ...

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New sample holder for protein crystallography

20-Sep-2019

An HZB research team has developed a novel sample holder that considerably facilitates the preparation of protein crystals for structural analysis. A short video by the team shows how proteins in solution can be crystallised directly onto the new sample holders themselves, then analysed using the ...

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"Molecular scissors" for plastic waste

15-Apr-2019

A research team from the University of Greifswald and Helmholtz-Zentrum-Berlin (HZB) has solved the molecular structure of the important enzyme MHETase at BESSY II. MHETase was discovered in bacteria and together with a second enzyme - PETase - is able to break down the widely used plastic PET ...

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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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Nanostructures in human teeth

06-Jun-2016

Dentin is one of the most durable biological materials in the human body. Researchers from Charité–Universitätsmedizin Berlin were able to show that the reason for this can be traced to its nanostructures and specifically to the interactions between the organic and inorganic components. ...

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Strong teeth: Nanostructures under stress make teeth crack resistant

16-Jun-2015

Human teeth have to serve for a lifetime, despite being subjected to huge forces. But the high failure resistance of dentin in teeth is not fully understood. An interdisciplinary team led by scientists of Charite Universitaetsmedizin Berlin has now analyzed the complex structure of dentin. At the ...

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Proteins: New class of materials discovered

26-Aug-2014

Scientists at the Helmholtz Center Berlin (HZB) along with researchers at China’s Fudan University have characterized a new class of materials called protein crystalline frameworks (PCFs). Thanks to certain helper substances, in PCFs proteins are fixated in a way so as to align themselves ...

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Blocking the active site of thiolase

Scientists at the University of Oulu, Finland, and at the HZB break new ground for drug discovery research in the fight against sleeping sickness

12-Nov-2013

Scientists at the University of Oulu, Finland, and at the Helmholtz Center Berlin (HZB) have shown the way to new directions in drug development against African sleeping sickness and other tropical parasitic infections. This was based on the structural analysis of the enzyme thiolase, which plays ...

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New microscope reveals ultrastructure of cells

HZB researchers can take images of small cellular components in their natural environment – while the cell remains intact

01-Dec-2010

Researchers at Helmholtz-Zentrum Berlin (HZB) have developed a new X-ray nanotomography microscope. Using their new system, they can reveal the structures on the smallest components of mammalian cells in three dimensions. For the first time, there is no need to chemically fix, stain or cut cells ...

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