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单词 methylene violet
释义

> as lemmas

methylene violet
methylene violet n. [after German Methylenviolett (A. Bernthsen 1885, in Ann. der Chemie 230 169)] a neutral phenothiazine dye formed as an oxidation product of methylene blue, used chiefly as a biological stain and indicator.
ΚΠ
1924 Science 28 Nov. 502/1 Such products were probably prepared from methylene blue by treatments..milder in degree than those employed in the manufacture of certain American methylene violets and azures.
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.
1960 E. Gurr Encycl. Microsc. Stains i. 267 The azurs 1, A, B and C, and methylene violet..are present in varying degrees in the Romanowski type of stains.
1990 Photochem. & Photobiol. 52 489 The potential photodynamic sensitizers..Methylene Violet..and bis-aluminium phthalocyanine were examined for their photoeffects.
extracted from methylenen.
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