Sodium-ion-selective two-photon fluorescent probe for in vivo imaging

Mi Kyung Kim, Chang Su Lim, Jong Tae Hong, Ji Hee Han, Hye Young Jang, Hwan Myung Kim, Bong Rae Cho

    Research output: Contribution to journalArticlepeer-review

    103 Citations (Scopus)

    Abstract

    "Chemical Equation Presented" Two photons are better than one: A two-photon probe (ANa1, see picture) shows strong twophoton fluorescence enhancement In response to Na+ and a dissociation constant (K dl) of (26±2) mM in the cell. It can be easily loaded into the cells and can selectively detect intracellular free Na + in live cells and living tissues at a depth of 100-200 μm for a long period of time.

    Original languageEnglish
    Pages (from-to)364-367
    Number of pages4
    JournalAngewandte Chemie - International Edition
    Volume49
    Issue number2
    DOIs
    Publication statusPublished - 2010 Jan 8

    Keywords

    • Fluorescent probes
    • Live tissue
    • Sodium
    • Two-photon microscopy

    ASJC Scopus subject areas

    • Catalysis
    • General Chemistry

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