Sentences with phrase «make hydrogen sulfide»

«We found that African - Americans have an increased abundance of bacteria that make hydrogen sulfide, which we demonstrated more than a decade ago to be a potent genotoxin,» Gaskins said.

Not exact matches

The vast distance, aside from making the planet distant and difficult to study, leads to blisteringly cold temperatures that freezes hydrogen sulfide.

It also produces noxious chemicals, such as hydrogen sulfide that sometimes makes the lagoon smell like rotten eggs.

Until now, however, this chemical was not considered a good catalyst for making moly sulfide to produce hydrogen from water through electrolysis.

«We could see that the hydrogen sulfide — that's what makes the mud stink — had disappeared in this part of the sediment, which in this context could only be due to reaction with oxygen,» Nielsen says.

Worms that made more hydrogen sulfide lived longer, on average, than those that made the normal amount of the gas.

«We think hydrogen sulfide made by the cell can serve as a surrogate energy source,» Mitchell says.

The new work, by James Mitchell at the Harvard School of Public Health and colleagues, suggests that holding back calories causes cells to produce hydrogen sulfide, which somehow makes tissues more resilient and prolongs the life of laboratory organisms.

The main cloud bank in Uranus is a mix of hydrogen sulfide and ammonia, so scientists suspected that the cloud top was probably made up of the icy form of one or the other.

The presence of hydrogen sulfide prevents creatures from making the floor their home.

The walls that surround it hold in a toxic mix of dense extra-salty brine tinged with methane gas and hydrogen sulfide — curious creatures that happen to wander in don't make it out alive.