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The research reactor TRIGA at Johannes Gutenberg University Mainz (JGU) has reached a new milestone: after 50 years of consecutive operation, TRIGA Mainz…

Worldwide, there are more than 300 million asthma patients. In Germany alone, 10 – 15 percent of children suffer from allergic asthma that is often impaired by…

Navigating the Web gets easier by the day as corporate monitoring of our emails and browsing habits fine-tune the algorithms that serve us personalized ads and…

One important biosynthetic precursor of fatty alcohols is hydroxyalkanoyloxy alkanoic acid (HAA). HAA can be produced by microbes using sugars as substrate. Currently, no commercial production of HAA is established in the art and only few literature exist
that relates to HAA production. Due to their amphiphilic nature, HAA can be used as biosurfactant on one hand and as a precursor for the synthesis of alkanes, which can be used as fuel especially aviation fuel on the other hand.
The present invention provides a novel procedure for a selective and quantitative (> 1g/L) production of HAAs from biotechnological process engineering.
Industrial relevant strains like P. putida and E. coli have been tested and specific chain lengths of HAAs (short or long) can be obtained via direct product secretion into the media. Within one day, already 40% of theoretical product (in view of glucose as C-source) can be achieved.
On behalf of the University of Aachen, PROvendis offers access to rights for commercial use as well as the opportunity for further co-development.

As record ocean temperatures cause widespread coral bleaching across Hawaii, NOAA scientists confirm the same stressful conditions are expanding to the…

For the production of rechargeable batteries, it is desirable to use silicon as anode material in Li-ion batteries. The use of silicon anodes theoretically increases battery capacity tenfold compared to conventional graphite anodes. However, the attempt had previously failed, since the layers would expand by 300 to 400 % due to the storage of lithium ions in the Si bulk material. This induces a high residual strain and can destroy the bulk Si after only a few charge cycles. In addition, as a consequence of the irreversible reaction between the Si anode and electrolyte a layer of solid electrolyte interphase (SEI) can develop and lead to a low coulombic efficiency.
Scientists of the University of Stuttgart now succeeded in developing a porous semiconductor layer, which displays a pore distribution from 50 to 3000 nm and eliminates the residual strain. It can be manufactured in a continuous process.