Chemicals and Drugs

Formazans

Colored azo compounds formed by the reduction of tetrazolium salts. Employing this reaction, oxidoreductase activity can be determined quantitatively in tissue sections by allowing the enzymes to act on their specific substrates in the presence of tetrazolium salts.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Colored azo compounds formed by the reduction of tetrazolium salts. Employing this reaction, oxidoreductase activity can be determined quantitatively in tissue sections by allowing the enzymes to act on their specific substrates in the presence of tetrazolium salts.

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Classification

Broader headings

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Drug Class

Pharmacological Action

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Synonyms

1 entry terms
  • Formazan

MeSH Record

Aspects Covered

18 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, analysis, chemical synthesis, chemistry, classification, economics, history, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity.

MeSH Record

History Note

91(75); was see under AZO COMPOUNDS 1975-90

MeSH Record

Previous Indexing

  • Azo Compounds (1972-1974)
  • Formic Acids (1972-1974)

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Tree Number

AMA Style

References

  1. National Library of Medicine. Formazans. Medical Subject Headings (MeSH). 2026. Unique ID D005562. http://id.nlm.nih.gov/mesh/2026/D005562
  2. Formazans. In: Wikipedia. https://en.wikipedia.org/wiki/Formazan
  3. Formazans. In: Wikidata. https://www.wikidata.org/wiki/Q2324668