eosin

Directory

References

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Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)

7 of the World’s Deadliest Shipwrecks

Titanic infographic. The 30th anniversary of its discovery is September 1, 2015. SPOTLIGHT VERSION.

Timeline of the Titanic’s Final Hours

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

Two chicks near an egg with a white background (poultry, chick, chickens, birds).

What Do Eggs Have to Do with Easter?

Battle of the Alamo from "Texas: An Epitome of Texas History from the Filibustering and Revolutionary Eras to the Independence of the Republic, 1897. Texas Revolution, Texas revolt, Texas independence, Texas history.

6 Wars of Independence

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

Rural Irish landscape, Sligo, Ireland.

Why Is Ireland Two Countries?

eosin

biochemistry

Also known as: tetrabromofluorescein

Learn about this topic in these articles:

dyes

In dye: Xanthene and related dyes
Tetrabromofluorescein, or eosin, is a red dye used for paper, inks, and cosmetics; its tetraiodo analog, erythrosine, is a red food dye (see below Food dyes).
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effect on red blood cells

In radiation: Photodynamic action
When eosin is added to a suspension of human red blood corpuscles exposed to light, the red corpuscles will break up in a process called hemolysis. Other typical photodynamic substances are rose bengal, hematoporphyrin, and phylloerythrin—all are dyes capable of fluorescence. Their toxicity manifests itself only…
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