Two-photon sensor for metal ions derived from azacrown ether |
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| Authors: | Kim Hwan Myung Jeong Mi-Yun Ahn Hyun Cheol Jeon Seung-Joon Cho Bong Rae |
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| Institution: | Molecular Opto-Electronics Laboratory, Department of Chemistry and Center for Electro- and Photo-Responsive Molecules, Korea University, 1-Anamdong, Seoul, 136-701, Korea. |
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| Abstract: | A two-photon sensor for the metal ions derived from azacrown ether as the receptor is reported. The sensor emits strong two-photon fluorescence when excited by 800 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 probes for biological substrates. |
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