期刊
CHEMICAL COMMUNICATIONS
卷 -, 期 46, 页码 4872-4874出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b712421j
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Using a Cu2+-dependent DNA ligation DNAzyme, a colorimetric sensor for Cu2+ has been developed based on directed assembly of DNA-functionalized gold nanoparticles by the ligation product, and such ligation DNAzyme-based sensors are intrinsically more sensitive than cleavage DNAzyme systems due to the lack of background.
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