oxygen

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Related to Dioxygen: digoxin, Singlet oxygen
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Synonyms for oxygen

a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas

References in periodicals archive ?
Phenoloxidase is another such copper binding protein that binds to dioxygen with a different physiological function viz.
2] (M=Cu, Co or Mn) for the allylic oxidation of limonene with dioxygen.
dot]], reacts with dioxygen, according to the well-known autoxidation mechanism, leading to hydroperoxide species (ROOH).
This enzyme utilizes a non-heme Fe and dioxygen to convert 3-hydroxyanthranilic acid (3-HAA) to 2-amino-3-carboxymuconate-6-semialdehyde (ACMS).
In the course of the hydroxylation reaction, the enzyme-bound Fe(II) splits dioxygen into two atoms, being converted itself to Fe(III) or Fe(IV).
Fridovich (1989) observed that induction of SOD was correlated with resistance acquisition against dioxygen and xenobiotic free radical dependent toxicity in bacteria.
Among the auxiliary materials already produced by the company include PCC, NaOH, C102, PAC, HC1, sulfur dioxygen, liquid nitrogen and calcium carbonate.
In the presence of dioxygen, the complex has been found by GC/MS to cleave the catechols to the corresponding muconic acids.
in these fundamental processes so often shown as just reactions of carbon dioxide and water, or of sugars and dioxygen, respectively.
In the cornea, the source of oxidative stimuli is solar ultra violet (UV) radiation [13]; the human cornea absorbs 92% of UV-B, that is, 280-315 nm sunlight radiation reaching the eye [14] and atmospheric oxygen, mainly dioxygen [13].
Hyperoxidant states microbial cell differentiation by cell isolation from dioxygen.