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  • Title: Highly sensitive ratiometric fluorescent chemosensor for silver ion and silver nanoparticles in aqueous solution.
    Author: Jang S, Thirupathi P, Neupane LN, Seong J, Lee H, Lee WI, Lee KH.
    Journal: Org Lett; 2012 Sep 21; 14(18):4746-9. PubMed ID: 22950469.
    Abstract:
    A pyrene derivative chemosensor (Pyr-WH) based on a dipeptide shows a highly sensitive ratiometric response to Ag(I) as well as silver nanoparticles in aqueous solution at physiological pH. Pyr-WH penetrated live HeLa cells and exhibits a ratiometric response to intracellular Ag(I). The binding mode of Pyr-WH with Ag(I) was characterized based on fluorescence changes in different pH, NMR, and ESI mass spectrometer experiments.
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