activated oxygen造句

• In cleavage, the magnesium ions activate oxygen from water molecules and expose them to nucleophilic attack.
• The cholesterol alkyl radical then combines with the activated oxygen on the heme to create 24S-hydroxycholesterol.
• Chemical inactivation of microbes by the surfactants and activated oxygen-based bleach used in detergents also contributes to the hygiene effectiveness of laundering.
• Players are first required to activate oxygen and hydrogen pumps in addition to getting additional crew members into the shuttle within a strict time limit.
• The cause of the killing defect is an inability to increase the cell's respiration and consequent failure to deliver activated oxygen into the phagocytic vacuole.
• The ultrasonic waves produce bubbles that batter dirt particles, which are then dissolved by a combination of activated oxygen and hypochlorous acid generated by electrolyzing the wash water.
• The activated oxygen-16 nucleus emits a proton ( hydrogen nucleus ), and transmutes to nitrogen-16, which has a very short life before decaying back to oxygen-16.
• Investigators said on Sunday that a partly burned aircraft tire carried as cargo was a likely source of smoke, possibly ignited by an activated oxygen generator, that the co-pilot reported just before the crash.
• In 2010, silver phosphate was reported as having a high ( 90 % ) quantum yield as a photocatalyst for the visible light photochemical splitting of water, and for production of activated oxygen by the same method.
• This activated state then reacts with molecular oxygen to form activated oxygen, which in turn reacts with proteins, lipids, and nucleic acids causing damage or cell death . The fungal spores are not harmed by the production of this toxin because they produce pyridoxine which neutralizes the reaction.
• It is thought to do so by causing oxidative damage to liver cells, resulting in oxidized species of uroporphyrinogen that inhibit the activity of hepatic UROD . It is also felt to increase the uptake of iron in liver cells, leading to further oxidation of uroporphyrinogen by the release of activated oxygen species.