Natural sciences - 55 News from the science department by ETH Zürich for the chemistry industry

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Natural sciences - 55 News from the science department by ETH Zürich for the chemistry industry

Tip: You can further refine your news selection by countries.

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Protecting art and passwords with biochemistry

New technology is based on a pool of one hundred million different DNA molecules and protects against counterfeiting

10-Apr-2024 - A new molecular test method helps to prove the authenticity of works of art. The new method could also help to make passwords secure against quantum computers. Instead of using algorithms, the method employs the polymerase chain reaction (PCR) and DNA sequencing. Security experts fear Q-​Day, the ...

natural sciences biochemistry authenticity checks
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Ocean acidification in coloured stripes

Making environmental changes visible

15-Sep-2023 - Our oceans are acidifying rapidly. Climate researchers from ETH Zurich are now illustrating these chemical changes with colour-​coded stripes. Global observations of ocean acidification over the last four decades serve as the basis. Most people consider climate change to consist only of the ...

natural sciences marine chemistry climate change
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Accurate rapid tests made from smart graphene paper

The potential range of applications covers virtually all chemical, biological and medical analyses that can be performed in aqueous solutions

29-Mar-2023 - A team led by ETH Zurich chemical engineers Chih-​Jen Shih and Andrew deMello have developed a rapid test system made of smart graphene paper. It only costs a few cents per test strip, is easy to use but is as accurate as lab measurements. The approach will impact more than just disease ...

natural sciences paper chemistry cellulose
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New corrosion protection that repairs itself

An extraordinary corrosion protection was created from a chance find: It glows in places where it is not damaged, repairs itself – and can be reused multiple times

22-Feb-2023 - Skyscrapers, bridges, ships, aeroplanes, cars – everything humans make or build sooner or later decays. The ravages of time are known as corrosion; nothing is safe from it. This makes the fight against corrosion expensive. All countries together invest around 3.5 percent of annual global gross ...

natural sciences material science corrosion
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Sustainable scents from the mountain of the gods

ETH Zurich chemist Michailidou could see herself founding her own start-​up: “That would be a dream come true”

15-Nov-2022 - ETH Zurich chemist Freideriki Michailidou is developing novel processes for the sustainable production of fragrance ingredients. As a first step, she studied the scents of rare aromatic plants that grow only on Mount Olympus in Greece. How a product smells affects how we respond to it. So it ...

natural sciences biochemistry green chemistry
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ETH Zurich researchers want to make salt printing marketable

They have also come up with a name for their start-up: “Sallea”, a portmanteau of “salt leaching”.

06-Oct-2022 - Materials scientists Nicole Kleger and Simona Fehlmann have developed a 3D printing process for creating salt templates that they can fill with other materials. One area of application is the creation of highly porous lightweight metal components. The two Pioneer Fellows are now trying to ...

natural sciences material science 3D printing
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One more clue to the Moon’s origin

Researchers from ETH Zurich discover the first definitive proof that the Moon inherited indigenous noble gases from the Earth’s mantle

18-Aug-2022 - The discovery represents a significant piece of the puzzle towards understanding how the Moon and, potentially, the Earth and other celestial bodies were formed. Humankind has maintained an enduring fascination with the Moon. It was not until Galileo’s time, however, that scientists really began ...

natural sciences geochemistry chemical elements
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Light amplification accelerates chemical reactions in aerosols

Temporal sequence of photochemical reaction in individual aerosol particles observed with high resolution

21-Apr-2022 - Aerosols in the atmosphere react to incident sunlight. This light is amplified in the interior of the aerosol droplets and particles, accelerating reactions. ETH researchers have now been able to demonstrate and quantify this effect and recommend factoring it into future climate models. Liquid ...

natural sciences atmospheric chemistry aerosol particles
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Breaking down plastic into its constituent parts

First step towards genuine plastic recycling

25-Mar-2022 - A team of ETH researchers led by Athina Anastasaki have succeeded in breaking down plastic into its molecular building blocks and in recovering over 90 percent of them. A first step towards genuine plastic recycling. The chemical industry has a long tradition of producing polymers. This involves ...

natural sciences material science depolymerization
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Almost all chemicals burden the planet

More than 99 percent of the most widely produced chemicals aren’t sustainable

04-Feb-2022 - For the first time, researchers at ETH Zurich have calculated in absolute figures the extent to which the production of chemicals is currently interfering with nature worldwide – and the results are staggering. In addition to greenhouse gas emissions, the new method also takes land use and ...

natural sciences chemical industry biofuels
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