10Selenium is an essential trace element needed for all living organisms. Despite its
essentiality, selenium is a potential toxic element to natural ecosystems due to its …

In nature, selenium is actively cycled between oxic and anoxic habitats, and this cycle plays
an important role in carbon and nitrogen mineralization through bacterial anaerobic …

High product specificity and production rate are regarded as key success parameters for
large-scale applicability of a (bio) chemical reaction technology. Here, we report a significant …

Highlights•The MBfR is an emerging technology based on gas supplying membranes.•Can
be used with air, O 2, H 2, CH 4, and other gases.•Based on counter-diffusional biofilms …

Selenium (Se) is not only a strategic element in high-tech electronics and an essential trace
element in living organisms, but also a potential toxin with low threshold concentrations …

Selenium species, particularly the oxyanions selenite (SeO3 2−) and selenate (SeO4 2−),
are significant pollutants in the environment that leach from rocks and are released by …

For the first time, we demonstrated vanadate (V (V)) reduction in a membrane biofilm reactor
(MBfR) using CH4 as the sole electron donor. The V (V)-reducing capability of the biofilm …

Selenium is an essential toxin that functions as essential micronutrient for maintaining good
health with a small safety margin, but is toxic at slightly higher concentrations or doses. It is …

Electron‐transfer pathways occurring in biocathodes are still unknown. We demonstrate
here that high rates of acetate production by microbial electrosynthesis are mainly driven by …

Selenate (SeO42–) bioreduction is possible with oxidation of a range of organic or inorganic
electron donors, but it never has been reported with methane gas (CH4) as the electron …