Colorimetric logic gates based on aptamer-crosslinked hydrogels.

  title={Colorimetric logic gates based on aptamer-crosslinked hydrogels.},
  author={Bin-Cheng Yin and B W Ye and Hongyu Wang and Zhi Zhu and Weihong Tan},
  journal={Chemical communications},
  volume={48 9},
We have developed a novel molecular logic gate system based on the incorporation of aptamer-crosslinked hydrogels. Modified gold nanoparticles are used as the output signal, which is visible to the naked eye. This system is designed for AND and OR operations using two chemicals as stimulus inputs. 

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