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11 Current news about the topic empa

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Muscles out of the spray can

One step ahead towards the artificial heart

09-Nov-2017

An artificial heart would be an absolute lifesaver for people with cardiac failure. However, to recreate the complex organ in the laboratory, one would first need to work out how to grow multi-layered, living tissues. Researchers at Empa have now come one step closer to this goal: by means of a ...

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Sticking instead of stitching

Nanoparticles that stick wounds together

10-Oct-2017

In spite of medical advances, wound-related complications arising after operations can still be life-threatening. In order to avoid these complications in the future, a new nanoparticle-based tissue glue has been developed by researchers at Empa. There are internal and external areas of the body ...

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Nanomaterial helps store solar energy: efficiently and inexpensively

Field trials show that new catalyst material for electrolysers is reliable

19-Jul-2017

Efficient storage technologies are necessary if solar and wind energy is to help satisfy increased energy demands. One important approach is storage in the form of hydrogen extracted from water using solar or wind energy. This process takes place in a so-called electrolyser. Thanks to a new ...

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Sodium and magnesium to replace lithium in batteries

03-May-2017

A project supported by the Swiss National Science Foundation (SNSF) aims to find new materials which can be used in rechargeable batteries and eventually provide alternatives to the current lithium batteries. Lithium-based batteries have several drawbacks, such as the limited availability of the ...

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How nanoparticles flow through the environment

13-May-2016

Carbon nanotubes remain attached to materials for years while titanium dioxide and nanozinc are rapidly washed out of cosmetics and accumulate in the ground. Researchers from the National Research Programme "Opportunities and Risks of Nanomaterials" (NRP 64) have developed a new model to track ...

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Clean Energy From Water

09-Feb-2016

Fuel cells generate electrical energy through a chemical reaction of hydrogen and oxygen. To obtain clean energy, the splitting of water into its components of hydrogen and oxygen is critical. Researchers at the University of Basel study how sunlight can be used for this purpose. Developing clean ...

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Structure of 'concrete disease' solved

09-Nov-2015

Researchers from the Paul Scherrer Institute (PSI) teamed up with colleagues from the Swiss Materials Science Lab Empa to study a degenerative sign of ageing in concrete: the so-called alkali-aggregate reaction (AAR). In the course of AAR, a material forms that takes up more space than the ...

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On the Track of Nanomaterials

Researchers pave the way for realistic risk assessment of nanomaterials in the environment

19-Aug-2015

A wide range of industrially synthesized nanomaterials are present in products we use daily and, in the meantime, are part of our everyday life. Due to their exceptional properties (e. g., increased UV-filtration or stronger adhesion) they are used in clothes, cosmetics, household goods and ...

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A GPS from the chemistry set

Color trail shows quickest route to destination

29-Oct-2014

Empa scientists teamed up with colleagues from Hungary, Japan and Scotland to develop a chemical “processor” which reliably shows the fastest way through a City maze. As the method is basically faster than a satnav system, it could be useful in transport planning and logistics in the future, for ...

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Synthesis of structurally pure carbon nanotubes using molecular seeds

08-Aug-2014

For the first time, researchers at Empa and the Max Planck Institute for Solid State Research have succeeded in "growing" single-wall carbon nanotubes (CNT) with a single predefined structure - and hence with identical electronic properties. And here is how they pulled it off: the CNTs "assembled ...

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