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Exciting light emission and measuring temperature with ultrasound

Scientists develop mechanoluminescent material systems: Application in photodynamic therapy

21-Jun-2022

If mechanoluminescent materials are subjected to external mechanical stress, they emit visible or invisible light. Such excitation can occur due to bending or gentle pressure, for example, but also completely contact-free through ultrasound. In this way, the effect can be triggered remotely and ...

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How the first biomolecules could have been formed

International team shows that the first biologically relevant compounds could have originated on Earth's surface

14-Jun-2022

The chemical precursors of present-day biomolecules could have formed not only in the deep sea at hydrothermal vents, but also in warm ponds on the Earth's surface. The chemical reactions that may have occurred in this “primordial soup” have now been reproduced in experiments by an international ...

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Catalytic hydrogen generation – without expensive precious metals

Researchers develop compact and cost-effective molecular photosystem for light-driven hydrogen generation

25-Mar-2022

A research team from Friedrich Schiller University Jena has developed a molecular photosystem inspired by nature that generates hydrogen under visible light irradiation. In contrast to other existing systems of this type, it functions without the use of precious or heavy metals. Low-cost and ...

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Record-breaking and readily available – aluminium complex with very strong fluorescence discovered

“This discovery was literally a case of serendipity”

04-Mar-2022

Chemists at the University of Jena, Germany have set a new record, having discovered a fluorescent aluminium complex with the highest quantum yield known to date. For virtually every photon absorbed by the substance, a photon is emitted. This could be of benefit in applications such as LED ...

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The path to clean catalysis

ERC Starting Grant for catalysis without rare or toxic metals

11-Jan-2022

Chemistry professor Martin Oschatz of the University of Jena (Germany) has been awarded a coveted Starting Grant by the European Research Council to support his pioneering work, the ERC announced. This grant, which provides up to 1.5 million euros over five years, is given annually to young ...

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Artificial intelligence for better diagnostics

Standardized methods facilitate the evaluation of Raman spectra

15-Dec-2021

Light-based methods are increasingly used for analytical problems in the fields of health, environment, medicine and safety. Raman spectroscopy is a suitable method in this context. The measurement data collected in this process are complex and extensive molecular fingerprints. Artificial ...

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Turbo boost for materials research

Researchers train AI to predict new compounds

10-Dec-2021

A new algorithm has been designed to help discover previously unknown material compounds. It was developed by a team from Martin Luther University Halle-Wittenberg (MLU), Friedrich Schiller University Jena and Lund University in Sweden. The researchers designed a form of artificial intelligence ...

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Melting glasses from unmeltable compounds

01-Oct-2021

Chemists at the University of Jena are developing a way of melting normally unmeltable metal-organic framework compounds – so-called MOFs. This allows the melt-based production of glass components for applications in energy and environmental technology. Glasses are an indispensable part of ...

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High-speed modulation thanks to crystal symmetry

Physicists and chemists develop a method for nonlinear signal modulation in 2D materials

13-Sep-2021

Nonlinear optics is of paramount importance in numerous fields of science and technology, in particular for second harmonic generation, namely the process of frequency doubling of a light beam. For instance, this process turns invisible infrared light into the visible light cursor of a laser ...

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Producing hydrogen using less energy

International research team describes complete reaction path for electrocatalytic hydrogen generation

24-Jun-2021

The way in which a compound inspired by nature produces hydrogen has now been described in detail for the first time by an international research team from the University of Jena and the University of Milan-Bicocca. These findings are the foundation for the energy-efficient production of hydrogen ...

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