[glass] Purpurin (Italian: Porporino; Latin: Haematinum, derived from Greek haimátinos = `of blood`; German: Hämatinon), sometimes referred to as glass porphyr, is an opaque glass of brownish to lustrous deep-reddish color which in classical antiquity was used for residential luxury objects, mosaics and various decorative purposes. Purpur...
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http://en.wikipedia.org/wiki/Purpurin_(glass)
[protein] In biochemistry, purpurin is a protein, belonging to the lipocalin family of proteins. It binds glycosaminoglycan as well as a retinol. ...
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http://en.wikipedia.org/wiki/Purpurin_(protein)
• (n.) A dyestuff resembling alizarin, found in madder root, and extracted as an orange or red crystalline substance.
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<protein> Heparin binding protein (20 kD) released by chick neural retina cells in culture. ... (18 Nov 1997) ...
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http://www.encyclo.co.uk/local/20973
Heparin-binding protein (20 kD) released by chick neural retina cells in culture.
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Pur'pu·rin noun (Chemistry) A dyestuff resembling alizarin, found in madder root, and extracted as an orange or red crystalline substance.
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http://www.encyclo.co.uk/webster/P/199
Type: Term Pronunciation: pŭr′pū-rin Definitions: 1. A violet stain related to alizarin by addition of a 4-OH group to alizarin; found in madder root and other members of the Rubiaceae; used to detect calcium salts, boron, and as a histologic stain. Synonyms: uroerythrin, alizarin purpurin
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http://www.medilexicon.com/medicaldictionary.php?t=74222
a reddish, crystalline, anthraquinone dye, CHO(OH), isomeric with flavopurpurin.
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https://www.infoplease.com/dictionary/purpurin
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