22 Current news of Empa

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Meteorite impact in the brain

Treatment of acute stroke in personalized medicine

10-Jun-2022

A blood clot in the brain that blocks the supply of oxygen can cause an acute stroke. In this case, every minute counts. A team from Empa, the University Hospital in Geneva and the Hirslanden Clinic is currently developing a diagnostic procedure that can be used to start a tailored therapy in a ...

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Golden wedding for molecules

Opportunities for a "new" chemistry

20-Apr-2022

Chemical syntheses in liquids and gases take place in three-dimensional space. Random collisions between molecules have to result in something new in an extremely short time. But there is another way: on a gold surface under ultrahigh vacuum conditions, molecules lying still next to each other ...

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Plastic snowfall in the Alps

Nanoplastic in the environment: New chemical method for counting plastic particles developed

27-Jan-2022

In a large-scale fundraising campaign, popular YouTubers like Mister Beast and Mark Rober are currently trying to rid the oceans of almost 14,000 tonnes of plastic waste. That's about 0.15 per cent of the amount that ends up in the oceans every year. But it's not just our waters that are full of ...

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Seeing the world through different eyes

An entire IR camera on a chip

28-Oct-2021

Short-wave infrared light (SWIR) is useful for many things: It helps sort out damaged fruit and inspecting silicon chips, and it enables night vision devices with sharp images. But SWIR cameras have so far been based on expensive electronics. Researchers at Empa, EPFL, ETH Zurich and the ...

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Nanosafety research without animal experiments

Risk analyses for nanoparticles

23-Jun-2020

In order to reduce the number of animal experiments in research, alternative methods are being sought. This is a particular challenge if the safety of substances that have hardly been studied is to be ensured, for instance, the completely new class of nanomaterials. To accomplish just that, Empa ...

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A new biosensor for the COVID-19 virus

Detection in the environment

23-Apr-2020

A team of researchers from Empa, ETH Zurich and Zurich University Hospital has succeeded in developing a novel sensor for detecting the new coronavirus. In future it could be used to measure the concentration of the virus in the environment - for example in places where there are many people or ...

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CO2 tracking in space

27-Feb-2020

CO2 concentrations in the air continue to rise rapidly, and a rapid reduction in man-made emissions is becoming increasingly important. In order to assess the effectiveness of political measures, timely and reliable emission levels are needed. However, current methods are costly. The European ...

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Visualizing chemical reactions

On the way to synthetic fuels

10-Jan-2020

Researchers at the joint EPFL-Empa lab in Sion have developed a reactor system and an analysis method that has allowed them to observe the real-time production of synthetic natural gas from CO2 and H2 for the first time. Infrared (IR) thermography is used to determine the temperature of humans ...

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First field measurements of laughing gas isotopes

Greenhouse gas emissions from soil

09-Dec-2019

Thanks to a newly developed laser spectrometer, Empa researchers can for the first time show which processes in grassland lead to nitrous oxide emissions. The aim is to reduce emissions of this potent greenhouse gas by gaining a better understanding of the processes taking place in the soil. ...

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The view through the bandage à la James Bond

Espionage for wound healing: On Your Medicine's Secret Service

28-Nov-2019

Whether a wound heals well under a dressing cannot be seen from the outside. Empa researchers are now enabling a view through the bandage à la James Bond. The refined application of terahertz radiation could promote the analysis of multi-layered tissues for medical purposes and be used for wound ...

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