| 单词 | nile blue sulphate |
| 释义 | > as lemmasNile blue sulphate 2. A tetracyclic quaternary ammonium ion, C20H19ON3, which is an azine dye and is used as a pH indicator. Also: a salt of this ion, esp. the sulphate, which is used as a biological stain to colour fatty acids blue (more fully Nile blue sulphate). ΘΚΠ the world > life > biology > laboratory analysis > material > [noun] > staining material osmium tetroxide1869 picrocarmine1872 rose bengal1878 stain1880 erythrosin1884 Gram stain1884 vesuvin1885 Nile blue1888 pyronin1895 Janus green1898 counterstain1899 Nissl stain1899 Leishman stain1904 trypan blue1911 quinacrine mustard1957 the world > matter > colour > named colours > blue or blueness > blue colouring matter > [noun] > dyes and dyestuffs > other dyes stone-blue1675 starch blue1742 Saxon blue1753 fig-blue1786 chemic1792 Turkey blue1815 Paris blue1835 Saxony blue1857 soluble blue1879 methylene blue1882 indoin1884 phenylene blue1884 indamine1888 Nile blue1888 gallamine blue1889 neutral blue1889 chrome-blue1892 toluidine blue1898 indanthrene1901 Saxe blue1905 trypan blue1911 mandarin blue1912 1888 Jrnl. Soc. Dyers & Colourists 4 96/1 On wool and silk, Nile blue is applied in a neutral bath, and yields red shades of blue. 1920 Physiol. Abstr. 6 617 The affinity of Nile blue sulphate for fat is small. Oleic acid and its esters are the most stainable. 1942 V. Hamburger Man. Exper. Biol. 46 A small particle of agar stained with Nile blue sulphate or neutral red is pressed against the surface of the blastula for a short period. 1971 N. R. Ayyangar & B. D. Tilak in K. Venkataraman Chem. Synthetic Dyes IV. iii. 107 It has been shown that Rhodanile Blue is nothing but a mixture of Rhodamine B and Nile Blue. 1989 J. A. B. Collier & J. M. Longmore Oxf. Handbk. Clin. Specialties (ed. 2) ii. 116 The ratio of fat cells which stain with Nile Blue increases through pregnancy. < as lemmas |
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