Two-photon technology, which relies on overlapping ... however in the presence of acid they produce Rhodamine 700 dye, which is a coloured and strongly fluorescing molecule. The second component ...

A two-photon fluorogenic probe based on a coumarin schiff base ... Journal of Materials Chemistry B 9 (3), 857-863. A new near-infrared ratiometric fluorescent probe based on quinoline-fused rhodamine ...