THIONINE Definition & Meaning

thionine

[thahy-uh-neen, ‐nin]

Phonetic (Standard)IPA

noun

Biochemistry.

a dark-green crystalline powder, C 12 H 10 N 3 S, whose property of turning violet in solution is useful in microscopy as a biological stain.

thionine

/ ˈθaɪənɪn, -ˌnaɪn, ˈθaɪəʊˌniːn /

noun

a crystalline derivative of thiazine used as a violet dye to stain microscope specimens
any of a class of related dyes

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51�Թ� History and Origins

Origin of thionine¹

First recorded in 1885–90; from Greek �ٳ��î�ǲ� “sulfur” ( thio- ( def. ) ) + -ine ² ( def. )

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51�Թ� History and Origins

Origin of thionine¹

C19: by shortening, from ergothioneine, a crystalline betaine found in ergot and blood

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Example Sentences

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Blue.—Methylene blue, new methylene blue, toluidine blue, thionine blue, indamine blue, Victoria blue, night blue, Nile blue, turquoise blue, marine blue, indoine blue, metamine blue, Capri blue, indazine, metaphenylene blue, paraphenylene blue, toluylene blue, indigene, indol blue, diphene blue, setopaline, setocyanine, setoglaucine, Helvetia blue.

From

Methylene blue and purple thionine looked promising.

From Time Magazine Archive

Weigh out Thionine blue 1.0 gramme Carbolic acid 2.5 grammes and dissolve in Distilled water 100.0 c.c.

From

thionic acid thionyl

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