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  • Title: A profluorescent ratiometric probe for intracellular pH imaging.
    Author: Zhang Q, Zhou M.
    Journal: Talanta; 2015 Jan; 131():666-71. PubMed ID: 25281157.
    Abstract:
    A ratiometric pH probe composed of a fluorescein moiety and an ionic near-infrared-emitting phosphorescent cyclometalated iridium(III) complex bis(6-(benzo[b]thien-2-yl)phenanthridinato)(4-(3-carboxypropyl)-4'-methyl-2,2'-bipyridine)iridium(III) was synthesized. With good cell permeability, the probe demonstrated a linear ratiometric response to the pH variation in the physiological range in HeLa cell assay.
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