An interrupted PET coupled TBET process for the design of a specific receptor for Hg 2+ and its intracellular detection in MCF7 cells
… Unique design of the receptor L 1 helps in initiating an interrupted PET process upon
binding of Hg 2+ to L 1 and this fluorescence ON response of the donor coumarin moiety
subsequently initiates the TBET process and fluorescence ON response of the Hg 2+ -bound
acceptor rhodamine moiety. To the best of our knowledge, no such example is there in the
literature. … In brief we have demonstrated a completely new optical response mechanism,
where an interrupted PET coupled TBET process has been used for recognition of Hg 2+ …
binding of Hg 2+ to L 1 and this fluorescence ON response of the donor coumarin moiety
subsequently initiates the TBET process and fluorescence ON response of the Hg 2+ -bound
acceptor rhodamine moiety. To the best of our knowledge, no such example is there in the
literature. … In brief we have demonstrated a completely new optical response mechanism,
where an interrupted PET coupled TBET process has been used for recognition of Hg 2+ …
A new coumarin–rhodamine conjugate constitutes a unique example of the interrupted PET coupled TBET response for developing an imaging reagent for determining the intracellular distribution of Hg2+ in MCF7 cells exposed to [Hg2+] as low as 2 ppb.
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