Sentence examples for harmful molecules from inspiring English sources

One form, known as +catechin, is also found in green tea and was already known as an antioxidant, able to neutralize the harmful molecules called reactive oxygen species that are thought to speed the aging process.

One of the dominant hypotheses, he noted, is that certain vitamins are antioxidants that protect aging cells against oxidative damage caused by free radicals, harmful molecules resulting from metabolic processes within cells.

Defects in SOD1, which produces an enzyme known as SOD, or superoxide dismutase, appear to facilitate the destruction of motor neurons by harmful molecules known as free radicals (molecular by-products of normal cell metabolism that can accumulate in and destroy cells).

Plants produce antioxidants and ROS-scavenging enzymes to control the damage made by harmful molecules (Apel and Hirt [2004]).

Therefore, optimal removal of these harmful molecules is an important subject to human health and environmental protection [24].

In addition vacuoles buffer the fluctuating supply of essential nutrients and help to detoxify the cytosol when plants are challenged by harmful molecules.

Therefore, in the context of an intact infecting S. pyogenes, EndoS is a potentially harmful molecule to the human host that contributes to the bacterial virulence.

Increased production of superoxide in endothelial cells reacts directly with NO to form a more harmful molecule peroxynitrite (ONOOˉ), thereby reducing NO bioavailability [ 2, 3].

Chinese cinnamon (Cinnamomum cassia or Cinnamomum aromaticum), coming from China and Southern and Eastern Asia, is more widely used, notably in food, but it contains high level of coumarin, a potentially harmful molecule [ 18], unlike Ceylon cinnamon (Cinnamomum zeylanicum or Cinnamomum verum), coming from Sri Lanka and Madagascar, which contains only traces of coumarin [ 19].

The results also suggest that the N-doped nanocomposites have a higher efficiency to interact with harmful NOx molecules in the environment.

Second, to actively expel harmful foreign molecules that still seep in slowly despite the high degree of impermeability of the OM.