Short DNA Oligonucleotide as a Ag+ Binding Detector
Author(s) -
Fusheng Shen,
Song Mao,
Johnsi Mathivanan,
Ying Wu,
Arun Richard Chandrasekaran,
Hehua Liu,
Jianhua Gan,
Jia Sheng
Publication year - 2020
Publication title -
acs omega
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.779
H-Index - 40
ISSN - 2470-1343
DOI - 10.1021/acsomega.0c03372
Subject(s) - molecular beacon , oligonucleotide , dna , fluorescence , base pair , detector , chemistry , biophysics , microbiology and biotechnology , crystallography , physics , biology , biochemistry , optics
Ag + has been known to mediate several natural metallo-base pairs. Based on the unique structural information of a short 8-mer DNA strand (5'-GCACGCGC-3') induced by Ag + , we constructed several fluorescent DNA beacons for the detection of Ag + according to the increase in the fluorescence emission on Ag + binding. This Ag + detection assay is quick, sensitive, and easy to adapt and can function in a wide range of temperatures from 5 to 65 °C.
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