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A novel label-free fluorescent sensor for the detection of potassium ion based on DNAzyme.
Fan X, Li H, Zhao J, Lin F, Zhang L, Zhang Y, Yao S. Fan X, et al. Among authors: li h. Talanta. 2012 Jan 30;89:57-62. doi: 10.1016/j.talanta.2011.11.056. Epub 2011 Dec 9. Talanta. 2012. PMID: 22284459
In the presence of K(+), the G-rich DNA folded into the G-quadruplex structure, and then hemin can bind to the G-quadruplex structure as a co-factor and form HRP-DNAzyme. 3-(p-Hydroxyphenyl)-propanoic acid (HPPA) can be oxidized by H(2)O(2) into a fluorescent product in th …
In the presence of K(+), the G-rich DNA folded into the G-quadruplex structure, and then hemin can bind to the G-quadruplex structure as a c …
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