Aktualitäten 2019

Health - Oct 27
Health
In order to analyze tumors, they have to be cut into thin slices. Now, a new technology has been developed that makes pieces of the tumor visible in 3D without cutting them. After cancer surgery, the crucial question is: Are there possibly cancer cells left behind that can continue to grow, or has the entire tumor actually been removed? To find out, the tumor is examined by pathologists.
Life Sciences - Oct 22
Life Sciences

Taking a look at generosity within the crow family reveals parallels with human evolution. Working together to raise offspring and increased tolerance towards group members contribute to the emergence of generous behavior among ravens, crows, magpies and company - similarly as it did for our human ancestors.

Health - Oct 19
Health

Decades-old data is being used to describe the propagation of tiny droplets. Now a fluid dynamics team has developed new models: Masks and distancing are good, but not enough.

Environment - Oct 20
Environment

Geological investigations of low-temperature young deposits on the Styrian Erzberg provide paleoclimatology with new data on the earth's history and its development.

Astronomy - Oct 15
Astronomy

A panoramic view of the nearby Alpha Persei star cluster and its corona. The member stars in the corona are invisible.


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Computer Science - 02.12.2019
New Streaming Technology Will Change Computer Gaming
New Streaming Technology Will Change Computer Gaming
Dieter Schmalstieg, a researcher at Graz University of Technology, is working on a method combining the advantages of cloud computing and virtual reality. This method will allow computer games to be displayed on inexpensive VR headsets in unsurpassed quality. Streaming services, such as Netflix or Amazon Prime, are widely used.

Physics - 18.11.2019
A Remote Control for Everything Small
A Remote Control for Everything Small
Atoms, molecules or even living cells can be manipulated with light beams. At TU Wien a method was developed to revolutionize such "optical tweezers". They are reminiscent of the "tractor beam" in Star Trek: special light beams can be used to manipulate molecules or small biological particles. Even viruses or cells can be captured or moved.

Physics - Materials Science - 14.11.2019
New Material Breaks World Record Turning Heat into Electricity
New Material Breaks World Record Turning Heat into Electricity
A new type of material generates electrical current very efficiently from temperature differences. This allows sensors and small processors to supply themselves with energy wirelessly. Thermoelectric materials can convert heat into electrical energy. This is due to the so-called Seebeck effect: If there is a temperature difference between the two ends of such a material, electrical voltage can be generated and current can start to flow.

Physics - Materials Science - 13.11.2019
TU Graz researchers develop new 3D printing for the direct production of nanostructures
TU Graz researchers develop new 3D printing for the direct production of nanostructures
A team from Graz University of Technology succeeded in using the FEBID method to produce complex 3D-printed nano-components for the first time without additional support structures. Additional pictures for download at the end of the text In the nanometer range, complex, free-standing 3D architectures are very difficult to produce in a single step due to the required precision.

Environment - 12.11.2019
Applying biodiversity conservation research in practice
Applying biodiversity conservation research in practice
One million species are threatened with extinction, many of them already in the coming decades. This unprecedented loss of biodiversity threatens valuable ecosystems and human well-being. But what is holding us back from putting conservation research into practice? The journal Biological Conservation has published a collection of 14 articles on this topic.

History / Archeology - Life Sciences - 07.11.2019
Ancient Rome: a 12,000-year history of genetic flux, migrations and diversity
Ancient Rome: a 12,000-year history of genetic flux, migrations and diversity
Scholars have been all over Rome for hundreds of years, but it still holds some secrets - for instance, relatively little is known about where the city's denizens actually came from. Now, an international team led by Researchers from the University of Vienna, Stanford University and Sapienza University of Rome, is filling in the gaps with a genetic history that shows just how much the Eternal City's populace mirrored its sometimes tumultuous history.

Life Sciences - Environment - 06.11.2019
Minimizing post-harvest food losses
Minimizing post-harvest food losses
Research team from Graz develops biological methods to improve the shelf life of fruit and vegetables. Additional pictures for download at the end of the text The crops have been harvested. Now it is important to store the various crops well and to preserve them as long and as carefully as possible.

Pharmacology - Life Sciences - 04.11.2019
From cone snail venom to pain relief
From cone snail venom to pain relief
Conotoxins are bioactive peptides found in the venom that marine cone snails produce for prey capture and defense. They are used as pharmacological tools to study pain signalling and have the potential to become a new class of analgesics. To date, more than 10,000 conotoxin sequences have been discovered.

Chemistry - Physics - 21.10.2019
Atomic images reveal unusually many neighbors for some oxygen atoms
Atomic images reveal unusually many neighbors for some oxygen atoms
The identification of new chemical bonds is crucial for the design of new material structures. A team led by Jani Kotakoski at the University of Vienna and Jannik Meyer at the University of Tübingen has found unexpected new configurations of oxygen and nitrogen in graphene. Direct images of the actual atoms and the analysis of Life as we know it is based on just a handful of different types of atoms (called elements), among them carbon, nitrogen and oxygen.

Materials Science - Chemistry - 21.10.2019
Bioprinting: Living cells in a 3D printer
Bioprinting: Living cells in a 3D printer
With a new process developed at TU Wien (Vienna), living cells can be integrated into fine structures created in a 3D printer - extremely fast and with very high resolution. Tissue growth and the behavior of cells can be controlled and investigated particularly well by embedding the cells in a delicate 3D framework.

Physics - Chemistry - 16.10.2019
Atomic force microscopy: new sensing element for high-speed imaging
Atomic force microscopy: new sensing element for high-speed imaging
Researchers at TU Wien have developed a new type of sensing element for atomic force microscopy, which enables a high measurement speed and can even image sensitive processes in living cells. High-definition images of minute objects are standard these days including the imaging of bacteria and viruses, and even molecules and individual atoms in extremely fine details.

Physics - Materials Science - 15.10.2019
Solving the Mystery of Quantum Light in Thin Layers
Solving the Mystery of Quantum Light in Thin Layers
A very special kind of light is emitted by tungsten diselenide layers. The reason for this has been unclear. Now an explanation has been found at TU Wien (Vienna). It is an exotic phenomenon that nobody was able to explain for years: when energy is supplied to a thin layer of the material tungsten diselenide, it begins to glow in a highly unusual fashion.

Life Sciences - Health - 11.10.2019
New method for quicker and simpler production of lipidated proteins
New method for quicker and simpler production of lipidated proteins
The new method developed at TU Graz and the University of Vienna is leading to a better understanding of natural protein modifications and improved protein therapeutics. Additional pictures for download at the end of the text Some of the body's proteins are not just made up of amino acids, they are also 'decorated' with lipid chains, which significantly influence the biological functions of the protein.

Environment - Life Sciences - 10.10.2019
Placenta transit of an environmental estrogen
Placenta transit of an environmental estrogen
Researchers show path of zearalenone through the womb using new technology The human foetus is considered to be particularly sensitive to environmental contaminants. A team led by Benedikt Warth from the Faculty of Chemistry at the University of Vienna and Tina Bürki from the Swiss Materials Science and Technology Institute, Empa, has now been able to demonstrate for the first time how the widespread food estrogen zearalenone behaves in the womb.

Chemistry - Physics - 04.10.2019
The fast dance of electron spins
The fast dance of electron spins
Chemists investigate the interactions of metal complexes and light Metal complexes show a fascinating behavior in their interactions with light, which for example is utilized in organic light emitting diodes, solar cells, quantum computers, or even in cancer therapy. In many of these applications, the electron spin, a kind of inherent rotation of the electrons, plays an important role.

Life Sciences - Paleontology - 02.10.2019
Fossil fish gives new insights into the evolution
Fossil fish gives new insights into the evolution
"An experiment of nature" after the end-Cretaceous mass extinction An international research team led by Giuseppe Marramà from the Institute of Paleontology of the University of Vienna discovered a new and well-preserved fossil stingray with an exceptional anatomy, which greatly differs from living species.

Physics - Astronomy / Space Science - 02.10.2019
Quantum Vacuum: Less than Zero Energy
Quantum Vacuum: Less than Zero Energy
Is it possible to borrow energy from an empty space? And if yes, do we have to give it back? Energy values smaller than zero are allowed - at least within certain limits. Energy is a quantity that must always be positive - at least that's what our intuition tells us. If every single particle is removed from a certain volume until there is nothing left that could possibly carry energy, then a limit has been reached.

Physics - 01.10.2019
A metronome for quantum particles
A metronome for quantum particles
A new measurement protocol, developed at TU Wien (Vienna), makes it possible to measure the quantum phase of electrons - an important step for attosecond physics. It is like a microscope for time: Today's methods of attosecond physic allows us to measure extremely short time intervals. With the help of short laser pulses, physical processes can be investigated on a time scale of attoseconds - that is billionths of a billionth of a second.

Physics - Chemistry - 23.09.2019
2000 atoms in two places at once
2000 atoms in two places at once
The quantum superposition principle has been tested on a scale as never before in a new study by scientists at the University of Vienna in collaboration with the University of Basel. Hot, complex molecules composed of nearly two thousand atoms were brought into a quantum superposition and made to interfere.

Chemistry - Physics - 11.09.2019
From years to days: Artificial Intelligence speeds up photodynamics simulations
From years to days: Artificial Intelligence speeds up photodynamics simulations
Scientists use deep neural networks to achieve simulations on long time scales The prediction of molecular reactions triggered by light is to date extremely time-consuming and therefore costly. A team led by Philipp Marquetand from the Faculty of Chemistry at the University of Vienna has now presented a method using artificial neural networks that drastically accelerates the simulation of light-induced processes.
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