In the manufacture of turbines conventional processes often reach their limits. Therefore, additive manufacturing is increasingly used to produce complex, curved components with intricate structures. A research team from the Technical University of Munich (TUM) has now examined common methods used to locate defects inside components. In their investigation neutron grating interferometry, performed at the Heinz Maier-Leibnitz research neutron source (FRM II), achieved the best defect detection.
At the recently opened Deutsches Museum Nuremberg, the University of Bayreuth offers insights into its expertise in the field of biofabrication involving unique materials, for example spider silk. Research led by Prof. Dr. Thomas Scheibel at the Biomaterials research group combines natural growth processes and technical systems with the aim of specifically rebuilding damaged tissue in organs, skin, nerves, and tendons. Consequently, in the "Body & Mind" exhibition area, one of the exhibits is a bioreactor from the Department of Biomaterials that simulates the cultivation of heart muscle tissue.
Due to their iridescent colors, opals have been considered particularly precious gemstones since antiquity. The way these stones shimmer is caused by their nanostructures. A research group led by Prof. Dr. Markus Retsch at the University of Bayreuth has produced colloidal crystals mimicking such structures, which are suitable for constructing new types of sensors. These sensors visibly and continuously document the temperature in their environment during a defined period. They are, therefore, tailor-made for a permanent monitoring of temperature-sensitive processes. The scientists have presented their discovery in the journal "Advanced Materials".
The EU is funding cross-border research at the University of Bayreuth and the Biological Centre of the Czech Academy of Sciences (AVČR) with around € 670,000. The Biomaterials research group at the University of Bayreuth and the Biological Centre are beneficiaries of the INTERREG programme. The object of the project is to research bioadhesive proteins produced by insect larvae in water bodies, in order to explore the possibilities of industrial production of such bioadhesives.
The start-up Flux Polymers, which has its roots at the University of Würzburg, offers a simple and easy solution to keep plastic surfaces free of bacteria. Recently, it has found an investor and can now start its operational business.
Using a sensor film to monitor how well aircraft and spacecraft withstand the mechanical stresses of flight: Würzburg researchers have received a prize for this idea, which comes with a lot of money.
A new type of atomic sensor made of boron nitride is presented by researchers in "Nature Communications". The sensor is based on a qubit in the crystal lattice and is superior to comparable sensors.
Representatives of numerous pathogenic fungal species are finding new habitat on microplastic particles in the soil and could thus be one of the possible causes of an increase in fungal infections. Researchers from Bayreuth, Hannover and Munich demonstrated this in a new study. Using high-throughput methods, the scientists analysed fungal communities from soil samples taken from sites near human settlements in western Kenya. The findings of this research have been published in the journal Scientific Reports.
The engineering sciences at the University of Bayreuth recently acquired a unique laser device equipped with an ultra-short pulse laser source for material processing. In the fields of gas sensor technology, high-frequency technology, and microsystems technology, the device opens up unimagined research possibilities. It can structure layers and coatings on sensitive surfaces with great precision. Hardened or fired technical substrates of all kinds can be precisely cut or milled. The device costed almost € 400,000. The German Research Foundation (DFG) provided 50 per cent of the funding for the purchase of the device at the Functional Materials research group.
Through a recently developed experimental platform, topological matter can be realized in a fast, cost efficient, and versatile way. It was only about two years ago that researchers of the Cluster of Excellence ct.qmat–Complexity and Topology in Quantum Matter realized "Topolectric Circuits" and did important pioneering work on their conceptualization for synthetic topological matter. Another breakthrough has now been achieved by the team led by Würzburg physicist Prof. Dr. Ronny Thomale as they have observed topological phenomena in a circuit system with gain and loss. The theoretical foundation for non-Hermitian topology might enable optronic technologies in the long run.
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