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Molecular two-photon sensor for metal ions derived from bis(2-pyridyl)amine |
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| Authors: | Hyun Cheol Ahn Si Kyung Yang Hwan Myung Kim Shaojun Li Seung-Joon Jeon Bong Rae Cho |
| Institution: | Molecular Opto-Electronics Laboratory, Department of Chemistry and Center for Electro- and Photo-Responsive Molecules, Korea University, 1-Anamdong, Seoul 136-701, Korea |
| Abstract: | A molecular two-photon sensor for the metal ions derived from bis(2-pyridyl)amine as the receptor is reported. The sensor emits strong two-photon fluorescence when excited by 780 nm laser photons. Moreover, the binding constants measured by the one- and two-photon fluorescence are similar. This result may be useful for the design of efficient two-photon fluorescence probe for biological substrates. |
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