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phenolsulfonphthalein

Pronunciation: fe'nol-sul'fon-thal'e-in, -thal'en

Definition: An indicator in tissue culture media (yellow at pH 6.8, red at pH 8.4); occurs as a bright to dark red crystalline powder; in the past given by parenteral injection as a test for renal function.

Synonym(s): phenol red

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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