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Results 1 - 20 of 112.
An international team of scientists reveals the genetic makeup of the people who lived in the Caribbean between about 400 and 3,100 years ago-at once settling several archaeologic and anthropologic debates, illuminating present-day ancestries and reaching startling conclusions about Indigenous population sizes when Caribbean cultures were devastated by European colonialism beginning in the 1490s.
Researchers from TU Graz, Med Uni Graz and Uni Graz are working on a digital interactive information system that automatically tailors medical content to individuals and their needs. Additional Images for download at the end of the text Can this digital medium make predictions about the individual information needs of users, recognize their cognitive abilities, and use this data to convey high-quality medical content in a comprehensible and clear manner?
By Christoph Pelzl Researchers from TU Graz, Med Uni Graz and Uni Graz are working on a digital interactive information system that automatically tailors medical content to individuals and their needs. Additional Images for download at the end of the text Can this digital medium make predictions about the individual information needs of users, recognize their cognitive abilities, and use this data to convey high-quality medical content in a comprehensible and clear manner?
When T-cells of our immune system become active, tiny traction forces at the molecular level play an important role. They have now been studied at TU Wien. Highly complicated processes constantly take place in our body to keep pathogens in check: The T-cells of our immune system are busy searching for antigens - suspicious molecules that fit exactly into certain receptors of the T-cells like a key into a lock.
A wide array of technologies, ranging from lasers and optical telecommunication to quantum computing rely on nonlinear optical interaction. Typically, these nonlinear interactions, which allow a beam of light, for example, to change its frequency, are implemented by bulk materials. In a new study an international research team led by the University of Vienna have shown that structures built around a single layer of graphene allow for strong optical nonlinearities that can convert light.
By Susanne Eigner Researchers from TU Graz and acib succeed in the first enzyme-driven biocatalytic synthesis of nucleic acid building blocks. This facilitates the development of antiviral agents and RNA-based therapeutics. Due to the COVID 19 pandemic and the associated intensive search for therapeutics and vaccines, the chemical substance class of nucleosides is experiencing an enormous increase in interest.
By Christoph Pelzl The SABATLE project coordinated by TU Graz focuses on the sustainability and safety of redox flow technologies, which are of immanent importance for the stabilization of the power grid. The increasing use of battery technologies in the mobility sector and in stationary applications has been leading to increasing efforts in battery research of operational safety and battery recycling.
The Unruh-effect connects quantum theory and relativity. Until now, it could not be measured. A new idea could change this - in a completely different way than ever before. Is the vaccum really empty? Not necessarily. This is one of the strange results obtained by connecting quantum theory and the theory of relativity: The Unruh effect suggests that if you fly through a quantum vacuum with extreme acceleration, the vacuum no longer looks like a vacuum: rather, it looks like a warm bath full of particles.
High-resolution mass spectrometry promotes new methods for analysis Humans are exposed to various environmental or dietary molecules that can attenuate or even increase the effect of therapeutic drugs. Studies on the industrial chemical bisphenol A and the phytoestrogen genistein, for example, have shown drug-exposome interactions.
By Susanne Eigner The Christian Doppler Laboratory for Technology-Guided Electronic Component Design and Characterization investigates ways to better control electromagnetic interactions in smart networked devices, especially in the 5G frequency range. In smartphones and many other complex, wirelessly networked devices, sophisticated technologies are used to integrate the individual electronic components into the housing.
What causes the weathering of the Mars moon Phobos? Results from TU Wien give new insights, soon a spacecraft will retrieve soil samples. Of course, there is no weather in our sense of the word in space - nevertheless, soil can also "weather" in the vacuum of space if it is constantly bombarded by high-energy particles, such as those emitted by the sun.
Crucial new technologies such as hydrogen production or carbon capture require new catalysts. Experiments show: It's not just the material that matters, but also its atomic surface structure. On the way to a CO2-neutral economy, we need to perfect a whole range of technologies - including the electrochemical extraction of hydrogen from water, fuel cells, or carbon capture.
Infrared light can be used to detect molecules - but it is hard to create strong, short laser pulses. A new solution was found at TU Wien. Ordinary solid-state lasers, as used in laser pointers, generate light in the visible range. For many applications, however, such as the detection of molecules, radiation in the mid-infrared range is needed.
By Barbara Gigler SGS and TU Graz announce the opening of Lamarr Security Research, a non-profit research center focusing on information security and establishing trust in digital systems and products. This new research environment is open for partner sponsors to work together, and to make the world a safer place.
By Christoph Pelzl A project jointly initiated by the Austrian Society for Construction Technology (ÖBV), TU Graz and OTH Regensburg provides a more systematic understanding of shotcrete applications and forms the basis for new, even more durable concrete mixes and thus for more durable tunnels. The service life of tunnels today is designed to last at least for one hundred years - in the case of the Brenner basis tunnel it is even 200 years.
By Susanne Eigner The focus of the new CD laboratory is the reduction of interface resistances within the solid-state battery. The aim is to make this particularly safe energy storage system fit for electric vehicles and other high-energy applications. In recent years, intensive research has been carried out on solid-state electrolytes and materials have been developed which have a similarly high ionic conductivity to liquid electrolytes.
The focus of the new CD laboratory is the reduction of interface resistances within the solid-state battery. The aim is to make this particularly safe energy storage system fit for electric vehicles and other high-energy applications. In recent years, intensive research has been carried out on solid-state electrolytes and materials have been developed which have a similarly high ionic conductivity to liquid electrolytes.
By Christoph Pelzl An international team of security researchers from TU Graz, CISPA and University of Birmingham is presenting new side-channel attacks, which use fluctuations in software power consumption to access sensitive data on Intel CPUs. Power side-channel attacks are attacks that exploit fluctuations in power consumption to extract sensitive data such as cryptographic keys.
For years, physicists at TU Wien have been studying strange phenomena - now they have found an explanation that could help to understand unconventional types of superconductivity. Materials can assume completely different properties - depending on temperature, pressure, electrical voltage or other physical quantities.
The sweet taste of sugar, energy intake and the regulatory process of hunger and satiety To date, very little is known about how sweetness perception contributes to satiety. This study, conducted by an Austrian-German team led by chemists Veronika Somoza and Barbara Lieder, provides new insights into the relationship between the sweet taste of sugar, energy intake and the regulatory process of hunger and satiety.
News from the Lab is a selection of science news that are significant or interesting for a broad readership.
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