What was the blue dye used by the ancient Britons as battle paint?
National Anthem of the Ancient Britons of the song appears in the 2009 novel "Skin Overcoat" by British author Skee Morif. National Anthem of the Ancient Britons "National Anthem of the Ancient Britons", also known as "Woad" or "The Woad Ode", is a humorous song, set to the tune of "Men of Harlech". It first became popular in the 1920s as a song in the British Boy Scouts and appeared in "The Hackney Scout Song Book" (Stacy & Son Ltd, 1921). The author was William Hope-Jones, a housemaster at Eton, who wrote it some time before 1914, as he sang it at a College dinner at
Evans Blue (dye) Evans Blue (dye) T-1824 or Evans blue, often incorrectly rendered as Evan's blue, is an azo dye that has a very high affinity for serum albumin. Because of this, it can be useful in physiology in estimating the proportion of body water contained in blood plasma. It fluoresces with excitation peaks at 470 and 540 nm and an emission peak at 680 nm. Evans blue dye has been used as a viability assay on the basis of its penetration into non-viable cells, although the method is subject to error because it assumes that damaged or otherwise altered cells are not