Indicator, Reagent, or Diagnostic Aid
trypan blue Audio
try·pan blue
More Information:
ChemID; DailyMed; PDR
Definitions related to trypan blue:
  • A diazo-naphthalene sulfonate that is widely used as a stain.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • An acid azo dye commonly used as a stain to distinguish viable from non-viable cells. It turns dead cells blue and viable cells unstained. It is a known animal carcinogen and an experimental teratogen.
    NCI
    U.S. National Cancer Institute, 2021
  • Dye and chemical solution stains for medical purposes are mixtures of synthetic or natural dyes or nondye chemicals in solutions used in staining cells and tissues for diagnostic histopathology, cytopathology, or hematology.
    Standard Product Nomenclature
    U.S Food & Drug Administration, 2003
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