Qiang Xi
Hunan University
11 Papers
107 Citations
Qiang Xi is an academic researcher from Hunan University. The author has contributed to research in topics: Biosensor & Signal. The author has an hindex of 8, co-authored 11 publications.
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Papers
Highly Sensitive and Selective Strategy for MicroRNA Detection Based on WS2 Nanosheet Mediated Fluorescence Quenching and Duplex-Specific Nuclease Signal Amplification
TL;DR: WS2 nanosheet can exhibit differential affinity toward short oligonucleotide fragment versus ssDNA probe and act as an efficient quencher for adsorbed fluorescent probes and indicates that this simple and cost-effective strategy holds great potential application in biomedical research and clinical diagnostics.
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A WS2 nanosheet based sensing platform for highly sensitive detection of T4 polynucleotide kinase and its inhibitors.
TL;DR: A novel fluorescent nanosensor based on phosphorylation-specific exonuclease reaction and efficient fluorescence quenching of single-stranded DNA by a WS2 nanosheet has been developed for monitoring the activity of PNK using T4 polynucleotide kinase (T4 PNK) as a model target.
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Graphene oxide-hairpin probe nanocomposite as a homogeneous assay platform for DNA base excision repair screening.
TL;DR: The results indicated that this strategy offers a simple, cost-effective, highly sensitive and selective homogeneous detection platform for UDG activity assay related biochemical studies.
57
A highly sensitive strategy for base excision repair enzyme activity detection based on graphene oxide mediated fluorescence quenching and hybridization chain reaction
TL;DR: A novel fluorescent nanosensor has been developed by combining super fluorescence quenching ability of graphene oxide and hybridization chain reaction amplification, which enables highly sensitive detection of base excision repair enzyme activity with a wide dynamic range.
25
Graphene oxide based DNA nanoswitches as a programmable pH-responsive biosensor
TL;DR: A novel programmable pH-responsive biosensor for simple and rapid pH assay based on the change of the fluorescence signal as a result of the conformational changes of DNA probes and their varying affinities to GO in different conformations is developed.
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