Flubida-2 has been used to detect pH at a specific site in a cell such as cell organelles by directing the probe to where avidin fusion proteins are located. The probe is a conjugate of biotin and fluorescein diacetate, which is nonfluorescent until the probe has entered the cells and hydrolyzed by endoesterases.Flubida-2 is membrane-permeable and thus can be delivered into cells via simple incubation with the probe in a buffer. Off-white solid soluble in DMSO Store at 4C C43H48N4O9S MW: 812.93
Source:
Synthetic
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