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H2DCFDA
Description
H2DCFDA (dichlorodihydrofluorescein diacetate) is a cell permeant fluorescent probe that has been used as an indicator of ROS presence. It is a reduced form of fluorescein that does not present fluorescence. After entry in the cell, it suffers deacetylation by intracellular esterases, and upon oxidation it is converted to dichlorofluorescein (excitation wavelength ~492–495 nm, emission ~517–527 nm). It may be oxidised by hydrogen peroxide, hydroxyl radical, hypochlorite anion, nitric oxide, peroxyl radical, peroxynitrite, singlet oxygen and superoxide. Has been used as a general indicator of ROS by fluorescence microscopy.
Abbreviation: DCF, H2-DCF
Reference: Setsukinai 2003 J Biol Chem, Kalivendi 2003 Biochem J
