ETH News

Research areas at ETH Zurich span barriers in a wide variety of fields, including cell biology, drug delivery and spatial planning. Below, we look at examples from six different disciplines.

Pharmaceutical researchers often find new pharmaceutically active substances only by sifting through large collections of chemical compounds. Chemists at ETH Zurich have now made critical progress on a specific process for generating and searching these collections.

Scientists around the world can now go full throttle in their research into chemical plastics recycling. Researchers at ETH Zurich have laid important foundations for this by showing that it¡¯s all about the stirring.

Four researchers from ETH Zurich have successfully applied for Consolidator Grants funded by the Swiss National Science Foundation.

ETH researchers are developing a process inspired by nature that efficiently recovers europium from old fluorescent lamps. The approach could lead to the long-awaited recycling of rare earth metals.

Researchers at ETH Zurich have engineered bacteria in the laboratory to efficiently use methanol. The metabolism of these bacteria can now be tapped into to produce valuable products currently made by the chemical industry from fossil fuels.

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.

Environmental scientist Alice Pradel cultivates ice cores in the lab to investigate the transport and accumulation of micro- and nanoplastics. Her aim in doing so is to better understand material flows in the Arctic ice.

Recycling is an accepted formula for sustainable resource use, but in the case of plastic it can have serious side effects, says Helene Wiesinger ¨C and uses the example of plastic flooring in Switzerland to illustrate the dilemma.

It might be that what set prebiotic chemistry in motion and kept it going in the early days of the Earth was dust from outer space accumulating in holes melted into ice sheets. Researchers at ETH Zurich and the University of Cambridge have used a computer model to test this scenario.

Artificial intelligence and automated laboratory infrastructure are massively accelerating the development of new chemical catalysts. With these tools, researchers at ETH Zurich are developing catalysts for efficiently and cost-effectively synthesising the energy source methanol from CO₂.

ETH researchers have teamed up with Kantonsspital Baden to find ways of preventing patients from becoming dependent on opioid painkillers.

Researchers at ETH Zurich are developing a new method to remove CO₂ from the atmosphere. It involves molecules that become acidic when exposed to light. Their new process requires much less energy than conventional technologies.

Researchers from ETH Zurich, Empa - Swiss Federal Laboratory for Materials Science and Technology, and Stanford have taken snapshots of the crystal structure of perovskite nanocrystals as it was deformed by excited electrons. To their surprise, the deformation straightened out the skewed crystal structure rather than making it more disordered.

Protein-like aggregates known as amyloids can bind to molecules of genetic material. It is possible that these two types of molecules stabilised each other during the development of life ¨C and that this might even have paved the way for the genetic code.

A new AI model developed by chemists at ETH Zurich can not only predict where a pharmaceutically active molecule can be chemically modified, but also how best to do it. This makes it possible to identify new pharmaceutical ingredients more quickly and improve existing ones in a targeted manner.

Researchers at ETH Zurich have developed a suction cup that allows medications to be absorbed through the mucosal lining of the cheeks. This new approach could spare millions of patients the pain and fear associated with injections.

The 55th International Chemistry Olympiad ended with a closing ceremony on Monday afternoon, 24 July. Out of 348 participants, 217 were awarded gold, sil-ver, or bronze medals. The Swiss team took home an "honourable mention."

ETH Zurich will host the International Chemistry Olympiad (IChO) between 16 and 25 July. More than 300 young scientists from some 90 countries are expected to participate. This is the first time that Switzerland is hosting the event.

Urea reacts extremely quickly under the conditions that existed when our planet was newly formed. This new insight furthers our understanding of how life on Earth might have begun.

Innovative production technologies are crucial to the chemical industry¡¯s net-zero endeavour ¨C but they¡¯re not always enough, says Paolo Gabrielli.

Researchers have managed to produce slow electrons in a solution. In the future, such electrons could help make certain chemical reactions more efficient.

The Morphs are here! The smart, eager-to-learn creatures are now waiting in the ETH main building for players to train them. "Morph Tales - Exploring Artificial Intelligence" is a new game from ETH Zurich that is fun to play and shows how humans and AI master tasks together.

John von Neumann was one of the most important mathematicians and computer pioneers of the 20th century ¨C and an ETH alumnus. He began his studies in chemistry here one hundred years ago. ETH Professor Benjamin Sudakov pays tribute to a mathematical legacy at a symposium.

Professor Wendelin Stark and Nevena Paunovi? were both chemistry Olympians. In 2023, they will return to the Olympiad in new roles. In this interview, they reveal how the Olympiad has influenced their lives and careers, and what participants can expect from the host country and the competition.

It is not easy to make batteries cheap, efficient, durable, safe and environmentally friendly at the same time. Researchers at ETH Zurich have now succeeded in uniting all of these characteristics in zinc metal batteries.

Computer simulations have helped researchers understand in detail how pharmaceutically active substances cross cell membranes. These findings can now be used to discover new drug candidates more efficiently.

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 monitoring.

It is known that toxins in tobacco smoke can change our DNA ¨C but where exactly in the genome they do this has been a mystery. A new approach developed by researchers at ETH Zurich now brings light into the darkness. In the future, this could make it easier than ever to determine the safety of many chemical substances.

How did life on Earth first emerge? And how was it able to prosper and evolve? ETH researchers are involved in the quest to find answers to these fundamental questions.

ETH researchers have developed a modular system for the simple and inexpensive production of security inks. It is based on polymers and could also be used in solar power plants and screens in the future.

A special year is soon coming to an end. In 2022, much has been researched, developed and invented at ETH Zurich. ETH News looks back on an eventful past year.

A new study by various Swiss universities shows that aerosols in indoor air can vary in acidity. This acidity determines how long viruses remain infectious in the air ¨C with profound implications for virus transmission and strategies to contain it.

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.

Chemists at ETH Zurich have found a facile method that allows a commonly used building block to be directly converted into other types of important compounds. This expands the possibilities of chemical synthesis and facilitates the search for new pharmaceutically active ingredients.

ETH Zurich is opening a new research and teaching centre with a focus on exploring the origin and prevalence of life on Earth and beyond. Under the leadership of Nobel Laureate Didier Queloz, more than 40 research groups from five departments will address the big questions posed by humankind.

In many chemical laboratories, routine chemical syntheses are performed on a daily basis, which takes up a lot of time. ETH spin-off Synple Chem wants to simplify this with a device that is almost as easy to use as a capsule coffee machine.

The growth in demand for fish and seafood is harming stocks and valuable ecosystems. In response, food technologist Lukas B?cker and food chemist Severin Eder are developing microalgae-based seafood substitutes in their joint Pioneer Fellowship project.

Making the chemical industry sustainable means reducing not only its dependence on fossil raw materials but also its toxicity footprint. This is achievable if the industry reduces its product range, explains Martin Scheringer.

It was only when Margherita Fontana left ETH Zurich that she realised she had been given a unique value proposition that she could take with her into the corporate world.

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 ¨C and the results are staggering. In addition to greenhouse gas emissions, the new method also takes land use and freshwater consumption into account.

Load-bearing, lightweight and now also recyclable: researchers led by Professor Paolo Ermanni were presented with the Spark Award in recognition of an innovative process for production of sustainable composite materials. ETH Zurich awarded the prize to their promising invention, with this year marking the tenth time the award has been given.

Researchers at ETH Zurich have developed a molecule that fluoresces where new tissue is forming in the body. Alongside helping to detect tumours, the molecule could play a significant role in research of wound healing disorders.

Many scientific experiments require highly precise time measurements with the help of a clearly defined frequency. Now, a new approach allows the direct comparison of frequency measurements in the lab with the atomic clock in Bern, Switzerland.

Artificial intelligence (AI) is able to recognise the biological activity of natural products in a targeted manner, as researchers at ETH Zurich have demonstrated. Moreover, AI helps to find molecules that have the same effect as a natural substance but are easier to manufacture. This opens up huge possibilities for drug discovery, which also have potential to rewrite the rulebook for pharmaceutical research.

Using chemical synthesis, Bright Peak Therapeutics can produce proteins that have never before existed. This holds great potential for cancer immunotherapy. The Basel-based spin-off has its beginnings at ETH Zurich.

In the video series "Ask the Expert", experts from ETH Zurich answer questions from the community. In this episode Klaus Eyer talks about vaccinations.

The 1991 Nobel Prize winner in Chemistry, ETH Professor Emeritus Richard Ernst, has died at the age of 87. ETH Zurich mourns the loss of a man with an extremely broad range of interests and commitments.

Researchers at ETH Zurich have developed fluorescent polymers whose colour can be easily tuned. Depending on their length, the polymers emit a different colour. Potential applications include biomedicine, security printing and solar energy.

Microplastic pollution is a serious problem, but blanket bans won¡¯t solve the issue, says Denise Mitrano. We should regulate plastics more precisely to create incentives for both innovation and environmental safety.

Chemical pollution is a global threat that demands for global action, says Zhanyun Wang. An interface body similar to the IPCC could help bridge the gap between science and policy.

Researchers at ETH Zurich and the University of Mainz developed a new method to replace molecular chlorine and bromine in chemical synthesis with less toxic molecules. The technology helps to make chemical processes safer and more sustainable and to remediate contaminated soils.

ETH scientists have generated a huge true random number using DNA synthesis. It is the first time that a number of this magnitude has been created by biochemical means.

Biodegradable plastics are very much on trend. But there are still very few sustainable alternatives for products containing foamed plastic. ETH Pioneer Fellow Zuzana Sediva is developing a process that could one day be used to make shoe soles and yoga mats from organic waste.

Electrons are able to move within molecules, for example when they are excited from outside or in the course of a chemical reaction. For the first time, scientists have now succeeded in studying the first few dozen attoseconds of this electron movement in a liquid.

Whether for explosives, plastic, dyes or medications: some molecules are manufactured in large quantities on an industrial scale. Yet these production processes are resource-intensive and produce hazardous waste. ETH chemist Dmitry Katayev is making these processes more efficient and better for the environment.

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.

The Basel Botnar Research Centre for Child Health is funding five research projects at ETH Zurich dedicated to the diagnosis and treatment of COVID-19, the disease caused by the coronavirus.

Richard Ernst¡¯s autobiography was published at the start of May. The 87-year-old ETH professor emeritus was awarded the 1991 Nobel Prize in Chemistry. Our quiz will familiarise you with the life of this extraordinary researcher.

People suffering from COVID-19 need air enriched with oxygen, as SARS-CoV-2 attacks the lungs. Presenting new ideas and prototypes for oxygen concentrators, researchers at ETH Zurich hope to avoid a worldwide oxygen shortage.

ETH researchers analysed various possibilities for reducing the net CO₂ emissions of the chemical industry to zero. Their conclusion? The chemical industry can in fact have a carbon-neutral future.

An international team of researchers has conducted a global review of all registered industrial chemicals: some 350,000 different substances are produced and traded around the world ¨C well in excess of the 100,000 reached in previous estimates. For about a third of these substances, there is a lack of publicly accessible information.

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.

The year 2019 has certainly been a busy one at ETH. A new president took office and the second Sci-Tech Oscar was awarded, along with other major prizes, but there were also plenty of inventions and topics for discussion.

Automation and digitisation of industry and society, new approaches to sustainable chemistry, and the influence of bacteria on health ¨C these are the topics covered by the three new National Centres of Competence led or co-led by ETH Zurich.

A research team with members from ETH Zurich has discovered a new method for turning nearly any object into a data storage unit. This makes it possible to save extensive data in, say, shirt buttons, water bottles or even the lenses of glasses, and then retrieve it years later. The technique also allows users to hide information and store it for later generations. It uses DNA as the storage medium.

This year Renana Gershoni-Poranne was awarded a Branco Weiss Fellowship. The ETH chemist will use the research grant to design innovative compounds that can be used in future generations of electronic devices.

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 real time.

ETH researchers have developed an inexpensive, handheld measuring device that can distinguish between methanol and potable alcohol. It offers a simple, quick method of detecting adulterated or contaminated alcoholic beverages and is able to diagnose methanol poisoning in exhaled breath.

Nowadays there are numerous ways of finding and working with scientific data and information. It¡¯s up to libraries to teach these skills, writes Oliver Renn.

In the second round of ETH+, the Executive Board¡¯s funding instrument for new research ideas and exchange between disciplines and departments, five new initiatives were selected. These address a range of topics, from living materials to quantum science.

Scientists at ETH Zurich and oil and gas company Total have developed a new catalyst that converts CO₂ and hydrogen into methanol. Offering realistic market potential, the technology paves the way for the sustainable production of fuels and chemicals.

Maksym Kovalenko is being recognised for his research on bright nanoparticles with this year¡¯s R?ssler Prize, which carries an endowment of 200,000 Swiss francs in research funding.

Researchers at ETH Zurich have developed a process that can provide conclusive evidence with regard to modern fakes of paintings, even in cases where the forger recycled older canvases. This verification process requires less than 200 micrograms of paint.

Microcontaminants place a considerable burden on our water courses, but removing them from wastewater requires considerable technical resources. Now, ETH researchers have developed an approach that allows the efficient removal of these problematic substances.

Can water reach minus 263 degrees Celsius without turning into ice? Yes it can, say researchers from ETH Zurich and the University of Zurich, if it is confined in nanometre-scale lipid channels.

Using artificial intelligence in drug design would give pharmaceutical research a boost, says Gisbert Schneider. In the medium term, computers could even carry out experiments autonomously.

French biochemist Emmanuelle Charpentier, one of the scientists who discovered the Crispr gene editing tool, is being honoured with ETH Zurich¡¯s Richard R. Ernst Gold Medal.

Raffaele Mezzenga, Sreenath Bolisetty and Qingrui Zhang have been awarded the Spark Award 2019 for their filter, which removes harmful fluoride from drinking water. Their invention gives people all over the world access to clean drinking water.

As part of his master¡¯s project, the chemical engineer Mario Stucki developed a breathable, environmentally friendly membrane for rain jackets. With his colleague Anna Beltzung, he has since founded the spin-off Dimpora to market the membrane commercially.

Researchers at ETH Zurich recently demonstrated that platinum nanoparticles can be used to kill liver cancer cells with greater selectivity than existing cancer drugs.

This year¡¯s Ruzicka Prize has been awarded to Christof Sparr, Assistant Professor at the University of Basel. The 38-year-old ETH alumnus was honoured for his outstanding achievements in the development of new synthesis methods.

The computational chemist Sereina Riniker has won this year¡¯s Latsis Prize awarded by ETH Zurich. She has been recognised for developing new methods for molecular dynamics simulations.

Assistant Professor Andrea Burden investigates the safety of medications to improve patient care. For her research, the scientist also uses her expertise in criminology.

No other class of substances is as stable and as frequently used in everyday products as fluorosurfactants. It's high time for action, says Martin Scheringer.

PEF bioplastic could solve some of the problems caused by PET. The lengthy and energy-intensive production process has so far prevented mass production. ETH Zurich researchers have now developed a method that could finally make the PEF marketable.

For ETH Fellow Cody Ross Pitts, creativity is what inspires his research in making molecules. His ideas will contribute to the field of medicinal chemistry.

Chemical engineers from ETH Zurich developed a new catalyst for forming a bond between two carbon atoms in a cost-effective and eco-friendly way. This technology could soon make its way into industry.

An international team of chemists has found a method to accelerate the development of new catalysts. Using NMR spectroscopy together with computational chemisty, they can evaluate whether or not molecules can enable reactions.

ETH Zurich scientists have developed the smallest and cheapest ever equipment for detecting people by smell. It could be used in the search for people buried by an earthquake or avalanche.

A new conductor material and a new electrode material could pave the way for inexpensive batteries and therefore the large-scale storage of renewable energies.

The digital audio of an entire music album is to be stored in the form of genetic information for the first time, using technology developed at ETH Zurich. Coded in DNA molecules and poured into tiny glass beads, an album by Massive Attack will be preserved ¨C practically for eternity.

ETH researchers have developed a method to examine millions of potential self-produced drug candidates in one go.

A research team led by microbiologist Tomas de Wouters has won the Spark Award 2018 for the development of artificial intestinal flora. With their ETH spin-off Pharmabiome, the scientists want to further develop their invention so that it can be used in the treatment of inflammatory intestinal diseases and infections.

ETH scientists have been able to prove that a protein structure widespread in nature ¨C the amyloid ¨C is theoretically capable of multiplying itself. This makes it a potential predecessor to molecules that are regarded as the building blocks of life.

Brand new technology in the classroom: students immerse themselves in a ¡°mixed reality¡± and use HoloLens glasses to learn a fundamental principle of proteins.

New research findings from biology and chemistry are a blessing for the world of medicine. However, if they are misused for military purposes, they can reveal a darker side. How to deal with the ¡°dual-use dilemma¡±? This was the subject of a course aimed specifically at biology and chemistry students.

A type of quantum dot that has been intensively studied in recent years can reproduce light in every colour and is very bright. An international research team that includes scientists from ETH Zurich has now discovered why this is the case. The quantum dots could someday be used in light-emitting diodes.

ETH chemists have synthesised several variants of THC, the active ingredient in cannabis. Its structure can be altered with light, and the researchers have used this to create a new tool that can be used to more effectively study the body¡¯s own cannabinoid system.

This year the Ruzicka Prize goes to Maria Ib¨¢?ez and Chih-Jen Shih. The prize is awarded for the improved synthesis of materials that can generate electricity from waste heat and for the development of new LEDs with an unachieved color spectrum for the next generation of displays.