https://www.selleckchem.com/products/on123300.html
The conjugation site of dihydrofluorescein (H2F) is important for the rational design of H2F-based reactive oxygen species (ROS) sensors. Despite the prevalence of H2F analogs detecting cellular ROS, the role of the carboxylic acid of H2F in oxidation is still unclear. To get insight into the conjugation site of H2F, we synthesized H2F diacetate (2) and its amide derivative (3). The absorption and emission spectra of deacetylated 2 and 3 in the presence of H2O2/hematin showed that the carboxylic acid of H2F plays a crucial role in the
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