Target biorecognition-triggered assembly of a G-quadruplex DNAzyme-decorated nanotree for the convenient and ultrasensitive detection of antibiotic residues

2021 ◽  
pp. 152629
Author(s):  
Haiyan Wang ◽  
Yiming Xie ◽  
Yujia Wang ◽  
Guosong Lai
Keyword(s):  
Ultrasensitive Detection ◽  
Antibiotic Residues ◽  
G Quadruplex

A novel fluorescent assay for the ultrasensitive detection of miRNA-21 with the use of G-quadruplex structures as an immobilization material for a signal indicator

2019 ◽  
Vol 55 (45) ◽  
pp. 6453-6456 ◽  
Author(s):  
Ze-Zhou Yang ◽  
Zhi-Bin Wen ◽  
Xin Peng ◽  
Ya-Qin Chai ◽  
Wen-Bin Liang ◽  
...  
Keyword(s):  
Nucleic Acid ◽  
Three Dimensional ◽  
Nucleic Acid Amplification ◽  
Ultrasensitive Detection ◽  
Fluorescent Assay ◽  
Target Recycling ◽  
Dna Walker ◽  
G Quadruplex

A fluorescent assay for the ultrasensitive detection of miRNA-21 is based on immobilization of PPIX as signal indicators in massive G-quadruplex structures obtained by target recycling, three-dimensional DNA walker and RCA coupled cascade nucleic acid amplification.

A novel solution-gated graphene transistor biosensor for ultrasensitive detection of trinucleotide repeats

The Analyst ◽  
2020 ◽  
Vol 145 (14) ◽  
pp. 4795-4805
Author(s):  
Zhiqi Ge ◽  
Mingyu Ma ◽  
Gang Chang ◽  
Meijun Chen ◽  
Hanping He ◽  
...  
Keyword(s):  
Trinucleotide Repeats ◽  
Ultrasensitive Detection ◽  
Highly Sensitive ◽  
G Quadruplex

A novel SGGT biosensor is constructed to achieve highly sensitive and selective sensing of GAA TNRs by integrating G-quadruplex enzymes.

Fluorescence nucleobase analogue-based strategy with high signal-to-noise ratio for ultrasensitive detection of food poisoning bacteria

The Analyst ◽  
2020 ◽  
Vol 145 (19) ◽  
pp. 6307-6312 ◽  
Author(s):  
Sung Hyun Hwang ◽  
Jung Ho Kim ◽  
Junghun Park ◽  
Ki Soo Park
Keyword(s):  
High Selectivity ◽  
Signal To Noise Ratio ◽  
Food Poisoning ◽  
High Signal ◽  
Ultrasensitive Detection ◽  
Signal To Noise ◽  
Target Dna ◽  
G Quadruplex ◽  
Noise Ratio

We developed a simple and ultrasensitive strategy for the identification of pathogens utilizing a fluorescent nucleobase analogue (2-aminopurine)-containing split G-quadruplex that binds blocker DNA, which shows the high selectivity for target DNA.

Label-free ultrasensitive detection of telomerase activity via multiple telomeric hemin/G-quadruplex triggered polyaniline deposition and a DNA tetrahedron-structure regulated signal

2016 ◽  
Vol 52 (9) ◽  
pp. 1796-1799 ◽  
Author(s):  
Yuanjian Liu ◽  
Min Wei ◽  
Xu Liu ◽  
Wei Wei ◽  
Hongyu Zhao ◽  
...  
Keyword(s):  
Telomerase Activity ◽  
Ultrasensitive Detection ◽  
Label Free ◽  
G Quadruplex ◽  
Dna Tetrahedron

Label-free ultrasensitive detection of telomerase activity via multiple telomeric hemin/G-quadruplex triggered polyaniline deposition and a DNA tetrahedron-structure regulated signal.

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