Sentences with phrase «electron acceptors»

Our results do not support that ortho / para directing groups are electron donors and meta directing groups are electron acceptors.

Benzothiadiazole - based Calamitic Non-Fullerene electron Acceptors for Solution - Processed Organic Solar Cells

«Our goal is to define the role of these cytochromes in the metabolic switching between different terminal electron acceptors,» said Dr. Thomas Squier, a PNNL biochemist and senior author of the publication.

That is all down to a bald chemical fact: the element is a powerful «electron acceptor», readily sucking up electrons set free when enzymes within living cells break down organic foodstuffs.

When the researchers switched the electric current off by deoxygenating the water, thereby removing the electron acceptor at the sediment surface, the depth of the hydrogen sulfide layer in the sediment rose in less than an hour, as deeper microbes could no longer consume it.

Then, the microorganisms use the oxygen as electron acceptor.

This is quite similar to human breathing, where oxygen also serves as electron acceptor.

Oligothiophene (4T) and polythiophene (P3HT), two typical organic semiconductors, can be doped with a second type of molecule such as a strong electron acceptor (F4TCNQ) for example to control the electrical conductivity.

Shewanella cells were allowed to attach to the thin films, where the iron in the hematite serves as an electron acceptor.

Although Solar radiation and lightning (which has been detected by the ESA's Venus Express probe in 2007) should be producing large amounts of carbon monoxide (CO), the gas was found to be scarce, as if something was removing it (such as hydrogenogens, diverse bacteria and archaea that grow anaerobically utilizing CO as their sole carbon source and water as an electron acceptor to produce carbon dioxide and molecular hydrogen as waste products).

In such organic - rich marine sediments, sulfate then becomes the most important terminal electron acceptor due to its high concentration in seawater, although it too is depleted by a depth of centimeters to meters.

Not exact matches

By manipulating the molecular distance between the electron - donating molecule (donor) and the electron - accepting molecule (acceptor) that carry the exciplex's hole and electron, respectively, the researchers could modify the properties of these weakly bound excitons.

«By increasing the thickness of an extremely thin layer of organic molecules inserted as a spacer between the donor and acceptor, we could reduce the attraction between the hole and electron in the exciplex and thereby greatly influence the exciplex's energy, lifetime, and emission color and efficiency.»

This device was first reported in the paper titled «Long - range coupling of electron - hole pairs in spatially separated organic donor - acceptor layers» written by H. Nakanotani at Kyushu University's Center for Organic Photonics and Electronics Research (OPERA) in Fukuoka, Japan, and colleagues and published online Feb. 26, 2016 in the journal Science Advances.

In addition, when the oxygen in seawater is depleted, bacterial respiration of organic matter turns to alternate electron - acceptors with which to oxidize organic matter, such as dissolved nitrate (NO3 ---RRB-.