Journal
ORGANIC LETTERS
Volume 14, Issue 18, Pages 4746-4749Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol301991h
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Funding
- National Research Foundation [2012R1AB3000574]
- Korea Environmental Industry and Technology Institute [2012000540013]
- National Research Foundation of Korea [2010-0026104] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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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