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    A thiamonomethinecyanine probe for detection of Pb2+ based on transformation from dimer to monomer by aptamer

    A simple method based on a thiamonomethinecyanine dye (dye2) and duplex DNA system was constructed to detect Pb2+ by UV–Vis spectra. The absorption spectra of dye2 show dimers and monomers peak and the monomer–di...

    Li-Jia Yu, Han Zhao, Ying-Lin Zhang, **ao-Dong Shi, Chun-Guang Ding in Chemical Papers (2021)