acridine orange

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A basic fluorescent dye used as a metachromatic stain for nucleic acids and in screening cervical smears for abnormal cells.

QUIZZES

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.

Question 1 of 8

Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

A sad-faced orange Star of David flashed across the iPhone screen as we swiped left on “James” (not his real name).
My Week on Jewish Tinder|Emily Shire|January 5, 2015|DAILY BEAST
It took me 1,015 strokes to see this shade of green in a world of orange, and my jaw nearly dropped.
Lost For Thousands of Strokes: 'Desert Golfing' Is 'Angry Birds' as Modern Art|Alec Kubas-Meyer|January 2, 2015|DAILY BEAST
Suddenly, light flooded the room, and I found myself lying on a filthy orange sofa across the room from where my rape occurred.
I Was Gang Raped at a UVA Frat 30 Years Ago, and No One Did Anything|Liz Seccuro|December 16, 2014|DAILY BEAST
I learn by the third day to tell the nurse privately to make mine mostly orange juice.
Alfred Hitchcock’s Fade to Black: The Great Director’s Final Days|David Freeman|December 13, 2014|DAILY BEAST

A storage building became a ghostly concrete frame lit bright orange.
Raging Protesters Set Ferguson on Fire|Justin Glawe|November 25, 2014|DAILY BEAST
Some one had gathered orange and lemon branches, and with these fashioned graceful festoons between.
The Awakening and Selected Short Stories|Kate Chopin
The long line of little gray, weather-beaten houses nestled peacefully among the orange trees.
The Awakening and Selected Short Stories|Kate Chopin
An illumination broke over his whole face when he saw her and joined her under the orange tree.
The Awakening and Selected Short Stories|Kate Chopin
Thus shall we see the destinies of this country guided under the orange and red flag.
The Philippine Islands|John Foreman
The Russians, on the contrary, prefer orange-yellow transparent specimens.
Tobacco; Its History, Varieties, Culture, Manufacture and Commerce|E. R. Billings.