yu LuxinUSTC-CityU Joint Advanced Research Center · NSRL
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Citations since 2017
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G-quadruplex-forming sequence can be formed through a copper(I) ion (Cu(+))-catalyzed click chemistry between azide- and alkyne-modified short G-rich sequences in aqueous solution, eliminating immobilization and washing steps of conventional assays. The source for Cu(+) was generated from the reduction of Cu(2+) with the reductant of sodium ascorba...
In this communication, we report a rapid and cost-efficient assay for the detection of S. enteritidis. Specific aptamers with fluorescence labeled S. enteritidis are absorbed into graphene oxide, and the fluorescence is quenched owing to the fluorescence quenching ability of graphene oxide. In the presence of S. enteritidis, the aptamer would relea...
We demonstrated a new spectrophotometric DNA detection approach based on a circular strand-displacement polymerization reaction for the quantitative detection of sequence specific DNA. In this assay, the hybridization of an immobilized hairpin probe on the microtiter plate, to target DNA, results in a conformational change and leads to a stem separ...
A rapid and reliable screening test for thalassemia carrier couples is the most effective strategy to decrease the risk of conceiving fetuses with severe thalassemia. We present an approach based on the isothermal strand-displacement polymerase reaction and the use of a lateral flow strip for the visual detection of an α-thalassemia Southeast Asian...
Histone methylation is a crucial epigenetic modiﬁcation of chromosomes. In this work, we describe an enhanced strip biosensor using oligonucleotide functionalized gold nanoparticles as an enhancer probe (AuNP-DNA) for rapid and sensitive detection of histone methylation. In conventional strip biosensor, methylated histone is captured on the test zo...
A lateral flow biosensor for detection of single nucleotide polymorphism based on circular strand displacement reaction (CSDPR) has been developed. Taking advantage of high fidelity of T4 DNA ligase, signal amplification by CSDPR, and the optical properties of gold nanoparticles, this assay has reached a detection limit of 0.01 fM.