See Also: Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Chromium(medicine)
chromium(encyclopedia)
chromium(dictionary)
chromium(dictionary)
chromium isotopes(medicine)
chromium compounds(medicine)
chromium alloys(medicine)
chromium(VI) reductase(medicine)
chromium radioisotopes(medicine)

pyronin (medicine) and chromium (iou)


pyronin (medicine)


pyronin


A fluorescent red basic xanthene dye, the chloride of tetramethyldiaminoxanthene, pyronin Y or pyronin G, or of tetraethyldiaminoxanthene pyronin B. These dyes, especially pyronin Y, are used in combination with methyl green for differential staining of RNA (red) and DNA (green); difference in staining result is probably due to the higher degree of polymerization of DNA; pyronin Y is also used as a tracking dye for RNA in electrophoresis.


chromium (iou)



chromium noun. E19.
[from CHROME + -IUM.]
A hard white lustrous metal which is a chemical element of the transition series, atomic no. 24, and is much used in alloys and corrosion-resistant coatings. (Symbol Cr.)
Comb.: chromium-plate noun & verb (a) noun an electrolytically deposited protective or decorative coating of chromium; (b) verb trans. electroplate with chromium; fig. embellish pretentiously or tastelessly.