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1‐[2‐amino‐5‐(6‐carboxyindol‐2‐yl)phenoxy]‐2‐(2‐amino‐5‐methylphenoxy)ethane‐N,N,N′,N′‐tetraacetic acid; a fluorescent calcium chelator, named from the indolyl moiety, that can be used as an indicator of Ca2+ concentration; it has a large shift in fluorescence emission, from 480 to 400 nm, on binding Ca2+.


Subjects: Chemistry.

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