Add BrightSurf on Google Email

Hidden in the seeds: Bacteria found to survive the harsh interior of passion fruit seeds

Scientists at Tokyo University of Science discovered endophytic bacteria that can survive extreme conditions within passion fruit seeds. The bacteria were isolated from seedlings grown from cut seeds and found to possess biocatalytic activities related to the metabolism of secondary metabolites, such as resveratrol and piceatannol.

SourceTokyo University of Science·JournalMicrobiologyOpen·TypeExperimental study·DateAug 30, 2021

Plasma-driven biocatalysis

Researchers at Ruhr-University Bochum developed a process to protect enzymes from plasma treatment, allowing for stable biocatalytic reactions with precise hydrogen peroxide dosing. This method improves the efficiency of traditional enzyme catalysis by reducing energy consumption and waste.

SourceRuhr-University Bochum·JournalChemSusChem·DateMar 3, 2020

Shaping the rings of molecules

Researchers at Université de Montrêl have successfully used biocatalysis to control the shapes of large ring molecules, called macrocycles. This breakthrough enables the creation of planar chiral macrocycles, which can be tailored for various applications including pharmaceuticals and electronics.

SourceUniversity of Montreal·JournalScience·DateFeb 21, 2020

Iodide salts stabilize biocatalysts for fuel cells

Researchers have discovered that adding iodide salts to electrolytes can prevent hydrogen peroxide formation, leading to the stabilization of biocatalysts for fuel cells. This extends the life of catalysts, making them suitable for energy conversion processes such as solar fuel generation and electrosynthesis.

SourceRuhr-University Bochum·JournalNature Communications·DateFeb 14, 2020

Catalytic protocells get zingy

Researchers have developed artificial cells capable of decomposing hydrogen peroxide and generating oxygen, as well as implementing a rudimentary chemical signalling pathway between the cells. The new protocells use a combination of synthetic and biological catalysts to create multi-functional activity.

SourceUniversity of Bristol·JournalNature Communications·DateJan 8, 2020

How to make biocatalysts immortal

A research team from Bochum and Marseille has developed a self-defence mechanism in biocatalysts that shields them from oxygen, extending their service life up to 22,000 years. The new design uses tiny molecular spheres to create an extremely thin protective film that maintains efficiency.

SourceRuhr-University Bochum·JournalJournal of the American Chemical Society·DateOct 9, 2019

Fully identified: The pathway of protons

Researchers at Ruhr-University Bochum have identified the proton transfer pathway in [FeFe]-hydrogenases, a crucial step for efficient hydrogen production. The study reveals that amino acids with no function can shut down hydrogenase activity, and provides valuable insights into the molecular mechanism of proton transfer.

SourceRuhr-University Bochum·JournalNature Communications·DateNov 9, 2018

Synthetic DNA-based enzymes

Researchers at Ruhr-University Bochum have developed semi-synthetic enzyme systems using DNA, which can replace protein cofactors. This innovation aims to create more stable biocatalysts that can be used in industry for climate protection and economic gain.

SourceRuhr-University Bochum·JournalNature Reviews Chemistry·DateAug 20, 2018

Manipulated enzymes

Researchers at TU Graz have achieved a breakthrough in biocatalysis by manipulating an enzyme to create ring-shaped molecules. This innovation enables the production of novel pharmaceuticals and plant protection products with high enantiomeric purity, opening doors for sustainable 'green' chemistry.

SourceGraz University of Technology·JournalAngewandte Chemie International Edition·DateJun 11, 2018

A catalyst with self-defense against oxygen

Researchers at Ruhr-University Bochum have developed a new catalyst with a self-defense mechanism against oxygen damage, using DuBois-type complexes based on abundant metals. The protection system involves an immobilization matrix that electrically disconnects the catalyst from the electrode surface.

SourceRuhr-University Bochum·JournalNature Communications·DateMar 14, 2018

Electricity production: When enzymes rival platinum

Researchers have developed biocells that use enzymes to convert hydrogen into electrical energy, rivaling the performance of platinum-based fuel cells. The new technology uses heat-stable enzymes that can withstand high temperatures and resist inhibitors, overcoming major hurdles in industrial development.

SourceCNRS·JournalEnergy & Environmental Science·DateSep 1, 2017

Biochemistry: Combining two catalytic worlds

Researchers from Ruhr-University Bochum have successfully combined enzyme and chemical catalysts using a gel matrix to overcome the challenge of different reaction conditions. This approach enables more efficient and cost-effective synthesis of polyphenols, with potential applications in cancer therapies.

SourceRuhr-University Bochum·JournalAngewandte Chemie International Edition·DateOct 19, 2016

Put algae in your tank

Scientists have developed a unique combination of light and climate simulation to optimize algae cultivation, leading to higher yields and more efficient energy production. The system uses spectrum-tuned LEDs to simulate natural sunlight, allowing for precise control over the growth conditions of different algae species.