Oil Red O (Solvent Red 27, Sudan Red 5B, C.I. 26125, C26H24N4O) is a lysochrome (fat-soluble dye) diazo dye used for staining of neutral triglycerides and lipids on frozen sections and some lipoproteins on paraffin sections. It has the appearance of a red powder with maximum absorption at 518 (359)nm.
Famous quotes containing the words oil and/or red:
“I bade, because the wick and oil are spent
And frozen are the channels of the blood....”
—William Butler Yeats (1865–1939)
“He gets red roses in different places,
the head, that time he was as sleepy as a river,
the back, that time he was a broken scarecrow,
the arm like a diamond had bitten it,
the leg, twisted like a licorice stick....”
—Anne Sexton (1928–1974)