positive stain

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Direct binding of a dye with a tissue component to produce contrast.

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?

There was a lot of positive feedback from people interested in non-gender binary people.
Grindr’s Trans Dating Problem|David Levesley|January 9, 2015|DAILY BEAST
But he, like many people using dating apps whatever their sexual identity, remains stoutly positive.
Grindr’s Trans Dating Problem|David Levesley|January 9, 2015|DAILY BEAST
And the fact that satire unnerves the intolerant is evidence of its positive power.
Why We Stand With Charlie Hebdo—And You Should Too|John Avlon|January 8, 2015|DAILY BEAST
The trials produced positive results, published in The New England Journal of Medicine in November.
The Race for the Ebola Vaccine|Abby Haglage|January 7, 2015|DAILY BEAST

And more than that—the world is ending because of the changes that many of us see as positive.
The Evangelical Apocalypse Is All Your Fault|Jay Michaelson|January 4, 2015|DAILY BEAST
Beginners must be warned against mistaking the edges of cells, or particles which have retained the red stain, for bacilli.
A Manual of Clinical Diagnosis|James Campbell Todd
There are a number of bacilli, called acid-fast bacilli, which stain in the same way as the tubercle bacillus.
A Manual of Clinical Diagnosis|James Campbell Todd
He was positive he had seen some one enter the room, go to the chair, and take the money from his pockets.
The Homesteader|Oscar Micheaux
Louis pressed his father's hand to his lips; that hand which was hardly washed from the stain of Wharton's blood!
The Pastor's Fire-side Vol. 3 of 4|Jane Porter
There was still visible on it the stain where he had wiped his hand, and this stain seemed certainly blood.
Uncanny Tales|Various