| 单词 | pyronin b |
| 释义 | > as lemmaspyronin B Any of a class of synthetic red xanthene dyes employed chiefly as microscopic stains; (in later use) esp. either of two such dyes (in full pyronin G or Y and pyronin B). 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 > chemistry > organic chemistry > organic dyes > [noun] > colouring red alizarin1827 santalin1833 orcein1838 purpurin1839 indin1841 isatin1845 roseine1859 aurin1869 Turkey red oil1879 phenosafranine1883 rhodamine1888 azaleine1889 phloxine1890 pyronin1895 primuline red1900 1895 Jrnl. Chem. Soc. 68 i. 47 Formaldehydetetramethylamidofluorimum chloride, the zinc double salt of which is known commercially as pyronine. 1906 Practitioner Nov. 666 Stained with pyronin and methyl green, the nuclei were large, rounded, pale, and contained chromatin in ‘lumps’. 1960 E. Gurr Encycl. Microsc. Stains 340 Pyronin B..is in fairly frequent use in bacteriology and in animal and plant histology. 1960 New Biol. 31 99 Their cytoplasm is unusually strongly stained by dyes, such as pyronine, which specifically combine with ribonucleic acid. 1974 H. C. Cook Man. Histol. Demonstration Techniques ii. 43 For better results the pyronin should be of ‘Y’ or ‘G’ type in preference to the ‘B’ variety. 1993 Environmental Toxicol. & Chem. 12 1001 Chromosomes from glands of individual larvae were stained with methyl green and pyronin Y. < as lemmas |
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