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- Six criteria for the reliability of AI
Language models based on artificial intelligence (AI) can answer any question, but not always correctly. It would be helpful for users to know how reliable an AI system is. A team at Ruhr Unive... - Styrene oxide isomerase is proving to be a multifunctional helper for biotechnology
The bacterial membrane enzyme styrene oxide isomerase can convert toxic compounds into valuable materials. Selvapravin Kumaran, a doctoral student in Professor Dirk Tischler's Microbial Biotechnolo... - Producing Desired Epoxides from Pollutants
Doctoral students at Ruhr University Bochum have described a new selective biocatalyst in an interdisciplinary and inter-university collaboration with Heinrich Heine University Düsseldorf. New b... - A miniature biocatalyst for hydrogen production
Natural hydrogen-producing enzymes are large and extremely sensitive to oxygen. This makes it difficult to use them for the applied production of green hydrogen. Researchers from the Photobiote...
- New insights into ammonia decomposition
Using ammonia is regarded as a promising method of transporting hydrogen. However, an efficient process is also needed to convert it back into hydrogen and nitrogen. An international research te... - Novel catalyst system for CO2 conversion
Researchers are constantly pushing the limits of technology by breaking new ground in CO2 conversion. Their goal is to turn the harmful greenhouse gas into a valuable resource. Research groups a...
- Detection of bacteria and viruses with fluorescent nanotubes
An interdisciplinary research team from Bochum, Duisburg and Zurich has developed a new approach to construct modular optical sensors which are capable of detecting viruses and bacteria. For this p... - Novel synthesis process for a sustainable use of small molecules
The reaction principle requires no expensive and toxic metals. In addition, it enables the production and subsequent transformation of a chemical reagent that was previously only known as an unstab...
- How artificial intelligence can explain its decisions
Today, when an algorithm identifies a tumour in a tissue sample, it doesn't reveal how it arrived at this result. And that's not very trustworthy. Researchers in Bochum are therefore pursuing a new... - Novel sensors enable precise measurement of dopamine
Carbon nanotubes glow brighter in the presence of neurotransmitters. This facilitates the easy and accurate measurement of signals between nerve cells. Dopamine is an important signalling molecu... - Copper is effective against SARS-CoV-2 on surfaces - silver is not
Copper and silver are known for their antibacterial properties. Researchers from Bochum have explored their effectiveness against viruses. Silver and copper ions wipe out many pathogens. That's why... - Deep insights into a living fungus
Light sheet microscopy enables us to examine fungal fruiting bodies on a living object. In order to examine tissues under the microscope, they usually have to be cut into thin slices. But it is ... - A sieve for molecules
Scientists have long tried to use graphene, which is composed of carbon, as a kind of sieve. But this material doesn't have any pores. Now, a team has found an alternative material which comes with... - Unexpected energy storage capability where water meets metal surfaces
A new method can measure the electrical (re-)charging of boundary layers between very small, metallic particles and aqueous solutions and understand it at a molecular level. Researchers from the... - Catalyst surface analysed at atomic resolution
Catalyst surfaces have rarely been imaged in such detail before. And yet, every single atom can play a decisive role in catalytic activity. A German-Chinese research team has visualised the three-d...
- How Confined Protons Migrate
Protons in aqueous solution can usually migrate very quickly - much faster compared to other ions. However, this only applies when they are in a space greater than two nanometers, as a study from R... - Plasmas as chemistry labs
The smaller a plasma, the larger the experimental setup needed to study it. It is worth the effort, because the reaction conditions found in cubic-millimetre-sized plasmas are very much unique. ...
- Programmable synthetic materials
In DNA, information is stored in the sequence of chemical building blocks; in computers, information consists of sequences of zeros and ones. Researchers want to transfer this concept to artificial... - Insights into the structure of an enigmatic catalyst
In the past, the catalyst for the production of methanol had eluded all attempts to clarify its surface structure. Now researchers have learned more about its active site. Methanol is one of the...
- Catalysis: High reaction rates even without precious metals
Precious metals are often efficient catalysts. But they are expensive and rare. However, it has so far been difficult to determine how efficient non-precious metal alternatives are. Non-precious... - Carbon nanoelectrode - Particle at the stick
Since they are so tiny, it is difficult to investigate single nanoparticles. However, this is exactly what researchers are aiming for in order to tailor their properties. A novel approach: particle... - Improving the lifetime of bioelectrodes
The use of proteins involved in the photosynthetic process enables the development of affordable and efficient devices for energy conversion. However, although proteins such as photosystem I are ro... - Converting biomass by applying mechanical force
One of the greatest global challenges is the efficient use of renewable sources in order to meet the increasing demand for energy and feedstock chemicals in the future. In this context, biomass is ... - Structure and function of photosynthesis protein explained in detail
An international team of researchers has solved the structure and elucidated the function of photosynthetic complex I. This membrane protein complex plays a major role in dynamically rewiring photo...
- Bio solar cell produces hydrogen
An international team of researchers has combined molecular building blocks from plants and microorganisms in a bio solar cell so that they could use light energy to directly produce hydrogen. This...