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In this paper, we proposed a facile and accurate way for controlling multiplex fluorescent logic gates through changing the exciting and the observing wavelengths. As proof-of-principle, a Pb2+-specific DNAzyme probe and a thymine (T)-rich DNA probe were introduced to a double-stranded (ds-) DNA. The addition style of the two ions served as the four inputs by changing the distance of the three fluorophores,...
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