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A novel label-free DNAzyme molecular beacon (MBzyme) strategy was for the first time developed for colorimetric amplification detection of target nucleic acids. The MBzyme, which is designed to contain peroxidase-mimicking DNAzyme that is locked by a common hairpin, was engineered to form a catalytically active MBzyme through hybridizing with the target p53 DNA. The MBzyme is a multifunctional label-free...
This work reported the G-quadruplex structure of pyrene-labeled G-rich DNA probe and its application in the immunoglobulin E (IgE) detection, providing plausibly an insight into the biological function of human telomere. Based on the intermolecular G-quadruplex, a terminal-single-pyrene-labeled oligonucleotide signaling probe was developed and a novel protein assay strategy was proposed via combining...
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