Definitions

from The American HeritageĀ® Dictionary of the English Language, 4th Edition

  • n. Any of a group of enzymes that catalyze oxidation, especially an enzyme that reacts with molecular oxygen to catalyze the oxidation of a substrate.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of many enzymes which catalyze oxidation reactions, especially ones using molecular oxygen.

from The Century Dictionary and Cyclopedia

  • n. An oxidizing ferment occurring widely distributed in animal and plant life.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. any of the enzymes that catalyze biological oxidation

Etymologies

oxid(ation) + -ase.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

  • Glucose oxidase is an enzyme produced and purified from Aspergillus niger which catalyses the oxidation of glucose.

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  • This problem is compounded by the fact that humans and other primates lack the enzyme urate oxidase, which is responsible for the breakdown of uric acid.

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  • Garbanzos are an excellent source of the trace mineral, molybdenum, an integral component of the enzyme sulfite oxidase, which is responsible for detoxifying sulfites.

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  • The gene that makes the enzyme gulonolactone oxidase, which is currently found in all humans, is dysfunctional.

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  • Presently, it is believed that carbon monoxide binds to cytochrome oxidase and consequently, disrupts the mitochondrial respiratory enzyme system. 5,8-11 Experimental studies seem to indicate that delivery of CO dissolved in the serum to the cells, and not blockage of oxygen transport by the COHb bond, is perhaps more important in the sequence of pathological events of the poisoning. 3,14 Although in severe poisonings, all factors may contribute to the outcome of the case.

    Carbon Monoxide

  • Seizures can occur in patients who have used benzodiazepines for the treatment of seizure disorders, in patients who are physically dependent on benzodiazepines or in patients who have ingested drugs (e.g., cyclic antidepressants, cocaine, lithium, methylxanthines, isoniazid, propoxyphene, monoamine oxidase inhibitors, bupropion HCl and cyclosporine) that place them at risk for the development of seizures. 5

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  • Diet and monoamine oxidase inhibitors: a re-examination.

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  • Tranylcypromine (ParnateĀ®) is one of four monoamine oxidase inhibitors marketed in the United States.

    Monamine Oxidase Inhibitors

  • Monoamine oxidase inhibitors (MAO-I) are structurally similar to the natural substrates of the enzyme, monoamine oxidase (MAO) .1 MAO is responsible for breaking down various endogenous neurotransmitters such as dopamine, norepinephrine, serotonin and epinephrine.

    Monamine Oxidase Inhibitors

  • When confronted with a suspected overdose of monoamine oxidase inhibitors, the caregiver should collect specimens for a toxicology screen, electrolytes, CBC and blood glucose.

    Monamine Oxidase Inhibitors

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