pyocyaninen.

Brit.

/ˌpʌɪə(ʊ)ˈsʌɪəniːn/, U.S.

/ˌpaɪəˈsaɪəˌnin/

Forms: 1800s– pyocyanin, 1800s– pyocyanine.

Origin: A borrowing from French. Etymon: French pyocyanine.

Etymology: < French pyocyanine (M. J. Fordos 1860, in 51 215) < pyo- pyo- comb. form + cyano- cyano- comb. form + -ine -ine suffix⁵. Compare later pyocyanic adj.

Biochemistry.

A toxic blue pigment produced by the bacterium Pseudomonas aeruginosa (formerly known as Bacillus pyocyaneus) and giving a blue or green colour to pus.Pyocyanine is structurally related to phenazine. Formula: C₁₃H₁₀N₂O.

ΘΚΠ

the world > life > biology > substance > pigment > [noun] > human or animal pigments > blue

uroglaucin1846

pyocyanine1860

oocyan1875

1860 Chem. News 2 119/1 M. Fordos has..succeeded in extracting..blue matter to which he gives the name of pyocyanine.

1873 C. H. Ralfe Outl. Physiol. Chem. 40 A blue colour is often noticed on the dry bandages and linen which have been in contact with pus; this is due to pyo-cyanin.

1947 Sci. News 5 90 Many bacteria in presence of certain organic substances, which they activate, reduce a molecule such as pyocyanine to its colourless leuco form.

1957 G. A. Swan in G. A. Swan & D. G. I. Felton Phenazines x. 176 Pyocyanine, the first phenazine compound discovered in nature.

1984 M. J. Taussig Processes in Pathol. & Microbiol. (ed. 2) iv. 568 Colonies are greenish-blue due to characteristic production of pigments, including pyocyanin (a blue-green phenazine pigment) and fluorescin.

This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

单词	pyocyanine
释义	pyocyaninen. Brit. /ˌpʌɪə(ʊ)ˈsʌɪəniːn/, U.S. /ˌpaɪəˈsaɪəˌnin/ Forms: 1800s– pyocyanin, 1800s– pyocyanine. Origin: A borrowing from French. Etymon: French pyocyanine. Etymology: < French pyocyanine (M. J. Fordos 1860, in 51 215) < pyo- pyo- comb. form + cyano- cyano- comb. form + -ine -ine suffix⁵. Compare later pyocyanic adj. Biochemistry. A toxic blue pigment produced by the bacterium Pseudomonas aeruginosa (formerly known as Bacillus pyocyaneus) and giving a blue or green colour to pus.Pyocyanine is structurally related to phenazine. Formula: C₁₃H₁₀N₂O. ΘΚΠ the world > life > biology > substance > pigment > [noun] > human or animal pigments > blue uroglaucin1846 pyocyanine1860 oocyan1875 1860 Chem. News 2 119/1 M. Fordos has..succeeded in extracting..blue matter to which he gives the name of pyocyanine. 1873 C. H. Ralfe Outl. Physiol. Chem. 40 A blue colour is often noticed on the dry bandages and linen which have been in contact with pus; this is due to pyo-cyanin. 1947 Sci. News 5 90 Many bacteria in presence of certain organic substances, which they activate, reduce a molecule such as pyocyanine to its colourless leuco form. 1957 G. A. Swan in G. A. Swan & D. G. I. Felton Phenazines x. 176 Pyocyanine, the first phenazine compound discovered in nature. 1984 M. J. Taussig Processes in Pathol. & Microbiol. (ed. 2) iv. 568 Colonies are greenish-blue due to characteristic production of pigments, including pyocyanin (a blue-green phenazine pigment) and fluorescin. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < n.1860
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