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Growing polymers with different lengths

How the dispersity of a plastic can be completely controlled by mixing two catalysts

25-Jun-2020

ETH researchers have developed a new method for producing polymers with different lengths. This paves the way for new classes of polymer materials to be used in previously inconceivable applications. It is hard to imagine everyday life without materials made of synthetic polymers. Clothes, car ...

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Using electrical stimulus to regulate genes

Basis for medical implants that can be switched on and off using electronic devices outside the body

02-Jun-2020

A team of researchers led by ETH professor Martin Fussenegger has succeeded in using an electric current to directly control gene expression for the first time. Their work provides the basis for medical implants that can be switched on and off using electronic devices outside the body. This is ...

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Lighting the path for cells

Instructing cells to grow in a particular direction is a long-cherished dream

13-May-2020

ETH researchers have developed a new method in which they use light to draw patterns of molecules that guide living cells. The approach allows for a closer look at the development of multicellular organisms – and in the future may even play a part in novel therapies. Highly complex organisms can ...

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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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Printing complex cellulose-based objects

27-Mar-2020

Researchers from ETH Zurich and the Swiss Federal Laboratories for Materials Science and Technology (Empa) have set a new world record: they 3D printed complex objects with higher cellulose content than that of any other additively manufactured cellulose-​based parts. To achieve this, they used a ...

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How enzymes build sugar trees

Findings could accelerate development of new, protein-​based medications

02-Mar-2020

Researchers have used cryo-​electron microscopy to elucidate for the first time the structure and function of a very small enzyme embedded in cell membranes. This enzyme builds complex sugar trees that are subsequently attached to other membrane proteins. The findings could accelerate the ...

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Platelets instead of spheres make screens more economical

23-Jan-2020

ETH scientists have further developed QLED technology for screens. They have produced light sources that for the first time emit high-​intensity light in only one direction. This reduces scattering losses, which makes the technology extremely energy efficient. QLED screens have been on the market ...

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Observing changes in the chirality of molecules in real time

19-Nov-2019

Chiral molecules - compounds that are mirror images of each other - play an important role in biological processes and in chemical synthesis. Chemists at ETH Zurich have now succeeded for the first time in using ultrafast laser pulses to observe changes in chirality during a chemical reaction in ...

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Artificial intelligence improves biomedical imaging

01-Oct-2019

ETH researchers use artificial intelligence to improve quality of images recorded by a relatively new biomedical imaging method. This paves the way towards more accurate diagnosis and cost-effective devices. Scientists at ETH Zurich and the University of Zurich have used machine learning methods ...

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Resistance can spread even without the use of antibiotics

06-Sep-2019

Antibiotic resistance does not spread only where and when antibiotics are used in large quantities, ETH researchers conclude from laboratory experiments. Reducing antibiotic use alone is therefore not sufficient to curtail resistance, and should be done in conjunction with measures to prevent ...

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