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17 Current news about the topic biocatalysts

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Environmentally friendly production of mandelic acid

Scientists found a method for the "green" production of the important starting material for the chemical industry

29-May-2020

Sometimes potentially useful enzymes are not easy to discover because their biocatalytic capabilities may go beyond their natural and thus known range of action. By recombining a newly discovered enzymatic capability, a research team from the Max Planck Institute for Terrestrial Microbiology led ...

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On our way to the bio-economy: High-performance biocatalyst discovered

Future applications primarily in the production of active pharmaceutical ingredients, but also in the synthesis of fine chemicals expected

22-May-2020

In the bioeconomy, biotechnological processes are replacing processes that rely on fossil resources. Microorganisms and enzymes are being used in targeted fashion as biocatalysts for industrial production. Researchers at the University of Bayreuth have now discovered an enzyme that offers great ...

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Shaping the rings of molecules

Boon for the making of pharmaceuticals and electronics

25-Feb-2020

Macrocycles are molecules made of large rings of atoms. Despite being relatively big and flexible, the molecules don't always stay "floppy" -- they can actually lock themselves into specific shapes and geometries. In manufacturing, controlling the three-dimensional shapes of macrocycles is ...

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Iodide salts stabilise biocatalysts for fuel cells

18-Feb-2020

Oxygen is the greatest enemy of biocatalysts for energy conversion. A protective film shields them – but only with an additional ingredient: iodide salt. Contrary to theoretical predictions, oxygen inactivates biocatalysts for energy conversion within a short time, even under a protective film. A ...

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How to make biocatalysts immortal

10-Oct-2019

Oxygen threatens sustainable catalysts that use hydrogen to produce electricity in fuel cells. Researchers from Bochum and Marseille have developed a way to combat this. Efficient catalysts for converting hydrogen into electricity in fuel cells for the energy transition are often based on ...

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Development of an Efficient Enantioselective Desymmetrization Strategy Using Recombinant Pig Liver Esterases

14-May-2019

An economically significant process intensification for the efficient enzymatic synthesis of (1S,2R)-1-(methoxycarbonyl) cyclohex-4-ene-2-carboxylic acid was achieved by a careful adaption of the reaction mode to minimize mass transfer limitations. (1S,2R)-1-(methoxycarbonyl) ...

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Fully identified: The pathway of protons

New findings pave the way for chemical reproduction of hydrogen-producing enzymes

13-Nov-2018

The question how certain algal enzymes accomplish the high proton transfer rate for hydrogen production had in the past been subject to speculation. Dr. Martin Winkler, Dr. Jifu Duan, Professor Eckhard Hofmann and Professor Thomas Happe from Ruhr-Universität Bochum (RUB), together with colleagues ...

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Two new ways to fluorinated structures

Chemo-enzymatic synthesis of fluorinated antibiotics

07-Aug-2018

Fluorinated structures make up more than 20 percent of modern drugs, but benign and fast fluorination schemes are scarce. In a study scientists have now combined dynamic kinetic resolution and nucleophilic fluorination for the asymmetric synthesis of florfenicol, a veterinary antibiotic. After ...

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O2 stable hydrogenases for applications

23-Jul-2018

A team of researchers from the Max Planck Institute for Chemical Energy Conversion and the MPI für Kohlenforschung in Mülheim an der Ruhr have succeeded in optimizing naturally occurring catalysts (hydrogenases) for application. Hydrogen as an energy vector Hydrogen gas (H2) has been proposed as ...

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Key enzyme for production of second-generation ethanol discovered in Brazilian Amazon

17-May-2018

Second-generation ethanol (also called cellulosic ethanol) open perspectives for optimizing alcohol production. Since 2G ethanol is obtained from from sugarcane straw and bagasse, it basically makes it possible converting waste into energy. Holder of the world's best biomass and boasting the ...

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