| 释义 |
Alcian, n.|ˈælsɪən|
Also alcian.
[Perh. f. phthalocyanine n., with phonetic respelling.]
A proprietary name used with following colour name to designate various pigments derived from copper phthalocyanine, esp. in Alcian Blue, a water-soluble blue dye originally used in textile printing and later as a histological stain for glycosaminoglycans.
1947Jrnl. Soc. Dyers & Colourists LXIII. xvi. (Advt.), Announcing Alcian Blue 8G. A new, fast, water-soluble, blue printing dyestuff. 1959Chambers's Encycl. IV. 694/1 These beautiful colours include the novel calico-printing Alcian blue 8G. 1961Lancet 30 Sept. 734/2 It..was weakly positive with alcian blue. 1970Acta Histochem. XXXV. 411 The latter group comprises the copper phtalocyanines [sic], i.e. Alcian Blue, Alcian Yellow, Alcian Green and Astra Blue. 1989Jrnl. Zool. CCXIX. 23 Toluidine blue and alcian blue..at different pH values..for differentiating acid from neutral mucopolysaccharides. |