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单词 methylene azure
释义

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methylene azure
methylene azure n. [after German Methylenazur (A. Bernthsen 1885, in Ann. der Chemie 230 169)] a phenothiazine dye formed as an oxidation product of methylene blue, used chiefly as a biological stain.
ΚΠ
1890 New Sydenham Soc. Lexicon at Methylene Methylene azure, C16H18N3SO2. An oxidation product of methylene blue.
1925 H. J. Cohn et al. Biol. Stains v. 47 Anyone who has had much experience with the stain is familiar with..the reddish shades of methylene azure.
1945 J. R. Baker Cytol. Technique (ed. 2) vi. 166 In aqueous solution,..methylene blue is partly transformed into other dyes, methylene azure and Bernthsen's methylene violet.
1983 G. Clark & F. H. Kasten Histol. Staining (ed. 3) xv. 114 It further appears from Bernthsen's own spectroscopic data..that his methylene azure was probably azure B.
extracted from methylenen.
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