Enzymes - 19 News from the science department by RUB for the biotechnology industry

Enzymes - 19 News from the science department by RUB for the biotechnology industry

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Paving the Way for Hydrogen from Algae Enzymes

A research team has identified a crucial detail that’s essential for the production of hydrogen using biocatalysts

05-Jun-2024 - Under certain conditions, some algae are able to produce hydrogen – a much sought-after green energy source. Its production takes place in the unique catalytic center of the unicellular algae and is only possible if certain cofactors of the relevant proteins are present. Researchers at Ruhr ...

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How to make ubiquitous plastics biodegradable

Understanding the function of a specific bacterial enzyme has paved the way for the biotechnological degradation of styrene

22-May-2024 - Polystyrene is made from styrene building blocks and is the most widely used plastic in terms of volume, for example in packaging. Unlike PET, which can now be produced and recycled using biotechnological methods, the production of polystyrene has so far been a purely chemical process. The ...

enzymes biotechnology plastics
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Releasing Brakes on Biocatalysis

The new findings could play a role in H2 technologies

01-Dec-2023 - Formaldehyde can inhibit enzymes that produce hydrogen particularly efficiently. Researchers from Bochum have discovered how this can be prevented. Enzymes from microorganisms can produce hydrogen (H2) under certain conditions, which makes them potential biocatalysts for biobased H2 technologies. ...

enzymes hydrogenases biocatalysis
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Protecting biocatalysts from oxygen

A genetic modification can make hydrogen-producing enzymes more stable

13-Jan-2023 - Certain enzymes from bacteria and algae can produce molecular hydrogen from protons and electrons – an energy carrier on which many hopes are riding. All they need for this purpose is light energy. The major obstacle to their use is that they are destroyed by contact with oxygen. An ...

enzymes hydrogenases biocatalysts
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A poison helps to understand H2-producing biocatalysts

The toxic cyanide molecule attacks H2-generating enzymes, but at the same time provides new insights into catalysis

20-Dec-2022 - In nature, enzymes termed hydrogenases are capable of producing molecular hydrogen (H2). Special types of these biocatalysts, so-called [FeFe]-hydrogenases, are extremely efficient and therefore of interest for biobased hydrogen production. Although scientists have learned a lot about how these ...

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Step by step to the end product through enzyme catalysis

Enzymes from microorganisms can produce valuable chemical substances. In a cascade, they can do that even if they need different environmental conditions

02-Sep-2021 - The production of the sugar trehalose, which is used as a functional food and an additive in pharmaceutical products or in cosmetics, is a team effort for enzymes: One takes care of the construction of an energy-rich intermediate product (UDP-glucose), from which the second then makes trehalose. ...

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Two tricks for biocatalysis

Plasmas usually have a destructive effect on enzymes - But in this instance, they supply them with a building block for biocatalysis at the push of a button

25-Jun-2021 - Enzymes can do a good job as catalysts – they can, for example, synthesise a specific product, but not its mirror image, which has to be laboriously separated in other processes. However, they are sensitive and are sometimes inactivated by the substrate they convert. Using plasma, the team of ...

enzymes biocatalysis enantiomers
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Hydrogen-producing enzyme protects itself against oxygen

The discovery may make it possible to use oxygen-stable enzymes as hydrogen producers

04-Feb-2021 - An international research team from the Photobiotechnology Research Group at Ruhr-Universität Bochum (RUB) led by Professor Thomas Happe and the Laboratoire de Bioénergétique et Ingénierie des Protéines (CNRS) in Marseille has been able to get to the bottom of this unique feature. They describe ...

enzymes hydrogenases hydrogen
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Tiny helpers turn waste into valuable materials

Leaving oil behind and moving towards renewable raw materials: the chemical industry hopes to succeed in this with the help of microorganisms and enzymes

15-Sep-2020 - The idea is that bacteria shouldn’t only convert waste products into valuable chemicals, but also draw energy from them. After all, they too can be reused for subsequent processes. This vision is what drives Professor Dirk Tischler, who heads the Microbial Biotechnology research group at ...

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Making enzymes fit for industrial applications

Biobased process for ammonia production

27-Aug-2020 - Bacterial enzymes are often powerful but also very sensitive catalysts. To call up their performance, they therefore need a special environment. Researchers at Ruhr-Universität Bochum (RUB) have developed new techniques for efficiently coupling bacterial enzymes to electrodes. Together with a ...

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