DNA zyme 交联水凝胶：用于可视化检测金属离子的新平台。
DNAzyme crosslinked hydrogel: a new platform for visual detection of metal ions.
机构信息
State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
出版信息
Chem Commun (Camb). 2011 Sep 7;47(33):9312-4. doi: 10.1039/c1cc12290h. Epub 2011 May 31.
PMID:21629909
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.
摘要
我们提出使用 DNA 酶作为水凝胶的交联剂，开发用于金属离子传感的催化平台。DNA 酶交联水凝胶可以响应 Cu(2+)离子发生凝胶-溶胶转变，通过观察预先捕获的 AuNPs 的释放来实现对 Cu(2+)的灵敏可视化检测。
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