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  • Title: G-Quadruplex-based DNAzyme as a sensing platform for ultrasensitive colorimetric potassium detection.
    Author: Li T, Wang E, Dong S.
    Journal: Chem Commun (Camb); 2009 Feb 07; (5):580-2. PubMed ID: 19283297.
    Abstract:
    Two G-quadruplex DNAs are able to form peroxidase-like DNAzymes selectively promoted by K(+), which provides a label-free approach to colorimetric detection of K(+) with the highest sensitivity ever reported.
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