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  • Title: A novel single-labeled fluorescent oligonucleotide probe for silver(I) ion detection based on the inherent quenching ability of deoxyguanosines.
    Author: Wang L, Tian J, Li H, Zhang Y, Sun X.
    Journal: Analyst; 2011 Mar 07; 136(5):891-3. PubMed ID: 21157625.
    Abstract:
    A novel single-labeled fluorescent oligonucleotide (OND) probe for the detection of nanomolar silver(I) ion in aqueous solution is developed based on the inherent quenching ability of deoxyguanosines. The formation of a hairpin structure of the OND-Ag(+) complex brings deoxyguanosines close to a dye, leading to a decreased fluorescence intensity of the dye owning to photoinduced electron transfer from the dye to deoxyguanosines.
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