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Pinworm infectionalso known as enterobiasisis a human parasitic disease caused by the pinworm. The disease is spread between people by pinworm eggs. Treatment is typically with two doses of the medications mebendazolepyrantel pamoateor albendazole two weeks apart.
Lyngby, Denmark. Ultrastructural characterisation is important for understanding carbon nanotube CNT toxicity and how the CNTs interact with cells and tissues. The standard method for this involves using transmission electron microscopy TEM.
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Marine Thaumarchaeota were discovered over 20 years ago and although a few isolates from this group are now available for study, we do not yet understand the environmental controls on their growth and distribution. Here we show that H 2 O 2 can be surprisingly toxic to Thaumarchaeota from the Southern Ocean, with ammonia oxidation inhibited by additions of as little as 10 nM H 2 O 2while temperate Thaumarchaeota ecotypes were more tolerant. This sensitivity could explain the seasonal disappearance of Thaumarchaeota from polar surface waters and the increase in ammonia oxidation rates with depth commonly observed in marine environments.