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Pengfei Zhan, Jinye Wang, Zhen-Gang Wang and Baoquan Ding Engineering the pH-Responsive Catalytic Behavior of AuNPs by DNA Small 10

Article first published online: 27 AUG 2013 | DOI: 10.1002/smll.201301931

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DNA molecules that are responsive to pH change are used to engineer the pH-dependent catalytic behavior of GOx-mimicking AuNPs. The pH-catalytic activity profiles show dependence on the sequence of the nucleic molecules, because of the unique pH-directed conformational changes of the respective nucleic strands. Moreover, the catalysis can be programmed into an AND gate, a XNOR gate or a NOT gate.

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