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单词 toluidine blue
释义

Definition of toluidine blue in English:

toluidine blue

nounˈtɒljʊɪdiːntɒˈljuː-təˌlo͞oədēn ˈblo͞o
mass noun
  • A synthetic blue dye used chiefly as a stain in biology.

    A thiazine dye; chemical formula: C₁₅H₁₆ClN₃S

    Example sentencesExamples
    • Specimens were stained with toluidine blue and basic fuchsin.
    • Inactive DNA is readily stained with hematoxylin, toluidine blue, and other similar basic dyes.
    • Thick sections were stained with alkaline toluidine blue for light microscopic examination and selection of areas for electron microscopic study.
    • The matrix or ground substance of cartilage is strongly basophilic and stains metachromatically with toluidine blue and other similar basic dyes.
    • The cytoplasm of medullar cells stains deeply with toluidine blue, while the cytoplasm of cortical cells stains faintly.

Origin

Late 19th century: toluidine from toluene + -ide + -ine4.

 
 

Definition of toluidine blue in US English:

toluidine blue

nountəˌlo͞oədēn ˈblo͞o
  • A synthetic blue dye used chiefly as a stain in biology.

    A thiazine dye; chemical formula: C₁₅H₁₆ClN₃S

    Example sentencesExamples
    • Specimens were stained with toluidine blue and basic fuchsin.
    • Thick sections were stained with alkaline toluidine blue for light microscopic examination and selection of areas for electron microscopic study.
    • The matrix or ground substance of cartilage is strongly basophilic and stains metachromatically with toluidine blue and other similar basic dyes.
    • The cytoplasm of medullar cells stains deeply with toluidine blue, while the cytoplasm of cortical cells stains faintly.
    • Inactive DNA is readily stained with hematoxylin, toluidine blue, and other similar basic dyes.

Origin

Late 19th century: toluidine from toluene + -ide + -ine.

 
 
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更新时间:2024/11/11 5:25:05