Nile blue (or Nile blue A) is a stain used in biology and histology. It may be used with live or fixed cells, and imparts a blue colour to cell nuclei.
It may also be used in conjunction with fluorescence microscopy to stain for the presence of polyhydroxybutyrate granules in prokaryotic or eukaryotic cells. Boiling a solution of Nile blue with sulfuric acid produces Nile red (Nile blue oxazone).
Read more about Nile Blue: Chemical and Physical Properties, Nile Blue Staining, Nile Blue in DNA Electrophoresis, Nile Blue in Oncology
Famous quotes containing the words nile and/or blue:
“Hard by the lilied Nile I saw
A duskish river dragon stretched along.
The brown habergeon of his limbs enamelled
With sanguine alamandines and rainy pearl:
And on his back there lay a young one sleeping,
No bigger than a mouse;”
—Thomas Lovell Beddoes (1803–1849)
“I think I noticed once
T’was morning one sole street-lamp still bright-lit,
Which, with a senile grin, like an old dunce,
Vied the blue sky, and tried to rival it....”
—Philip Larkin (1922–1986)