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Monitoring the lifecycle of tiny catalyst nanoparticles

06-May-2019

Since they are so tiny, it is difficult to investigate single nanoparticles. However, this is exactly what researchers are aiming for in order to tailor their properties. A novel approach: particle at the stick. Nanoparticles can be used in many ways as catalysts. To be able to tailor them in ...

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Alzheimer’s in mini brains

Verification in a living system

02-May-2019

The causes of the disease are for the most part obscure. Researchers intend to expose them using cerebral organoids grown from stem cells. In the majority of cases, dementia can be traced back to Alzheimer’s disease. Its causes are not really understood yet. What is known is that plaques form ...

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How nerve cells control misfolded proteins

28-Mar-2019

Neurodegenerative diseases such as Huntington’s or Parkinson’s disease are associated with misfolded and aggregated proteins. Researchers have discovered a new mechanism used by cells to protect themselves. Researchers have identified a protein complex that marks misfolded proteins, stops them ...

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Converting biomass by applying mechanical force

15-Mar-2019

One of the greatest global challenges is the efficient use of renewable sources in order to meet the increasing demand for energy and feedstock chemicals in the future. In this context, biomass is a promising alternative to existing fossil sources such as coal or oil. Cellulose plays a decisive ...

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Next step on the path towards an efficient biofuel cell

Two concepts combined making system as efficient as precious metal catalysts

16-Nov-2018

Fuel cells that work with the enzyme hydrogenase are, in principle, just as efficient as those that contain the expensive precious metal platinum as a catalyst. However, the enzymes need an aqueous environment, which makes it difficult for the starting material for the reaction – hydrogen – to ...

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Noble metal-free catalyst system as active as platinum

Affordable high-performance catalysts have come within reach

25-Oct-2018

The industry has been traditionally deploying platinum alloys as catalysts for oxygen reduction, which is for example essential in fuel cells or metal-air batteries. Expensive and rare, that metal imposes strict restrictions on manufacture. Researchers at Ruhr-Universität Bochum (RUB) and ...

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New insights into the structure of a killer protein

01-Oct-2018

The protein Bax is responsible for programmed cell death. Because it is constantly changing its location, its structure has so far been difficult to determine. Researchers at Ruhr-Universität Bochum and the University of Tübingen have gained new insights into the structure of the killer protein ...

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Individual silver nanoparticles observed in real time

31-Jul-2018

The particles have an antibacterial and anti-inflammatory effect. They are used in medicine and the food industry. But little is known about their mode of action and degradation so far. Chemists at Ruhr-Universität Bochum have developed a new method of observing the chemical reactions of ...

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Olfactory receptors have more functions than merely smell perception

19-Jul-2018

Olfactory receptors can be found in all types of human tissue, and they may become of great interest in the field of medical science. Numerous studies to date have shown that olfactory receptors are relevant not only for smell perception, but that they also play a significant physiological and ...

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Robust and inexpensive catalysts for hydrogen production

12-Apr-2018

Hydrogen gas is considered a possible future source of energy and can be produced from water using platinum catalysts and electricity. However, alternative catalysts made of cheaper and more readily available materials with equally high efficiency are barely known. Electrodes without precious ...

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