DNAzyme crosslinked hydrogel: a new platform for visual detection of metal ions

Haoxue Lin, Yuan Zou, Yishun Huang, Jie Chen, Wei Yun Zhang, Zhixia Zhuang, Gareth Jenkins, Chaoyong Yang

Chemical Communications · 2011 · 135 citations · 28 references

Concepts

Abstract

We propose the use of DNAzyme as a crosslinker of hydrogel to develop a catalytic platform for the sensing of metal ions. The DNAzyme crosslinked hydrogel can undergo gel-sol transition in response to Cu(2+) ions, which enables sensitive visual detection of Cu(2+) by observing the release of pre-trapped AuNPs.

References

28