Tungsten disulfide nanosheet and exonuclease III co-assisted amplification strategy for highly sensitive fluorescence polarization detection of DNA glycosylase activity

2015 ◽  
Vol 887 ◽  
pp. 216-223 ◽  
Author(s):  
Jingjin Zhao ◽  
Yefei Ma ◽  
Rongmei Kong ◽  
Liangliang Zhang ◽  
Wen Yang ◽  
...  
Keyword(s):  
Fluorescence Polarization ◽  
Tungsten Disulfide ◽  
Dna Glycosylase ◽  
Exonuclease Iii ◽  
Highly Sensitive ◽  
Amplification Strategy ◽  
Polarization Detection

scholarly journals Sensitive and enzyme-free fluorescence polarization detection for miRNA-21 based on decahedral sliver nanoparticles and strand displacement reaction

RSC Advances ◽  
2020 ◽  
Vol 10 (29) ◽  
pp. 17037-17044
Author(s):  
Qingyue Zhu ◽  
Hui Li ◽  
Danke Xu
Keyword(s):  
Fluorescence Polarization ◽  
Signal Amplification ◽  
Displacement Reaction ◽  
Strand Displacement ◽  
Highly Sensitive ◽  
Polarization Detection ◽  
Sliver Nanoparticles ◽  
Sensitive Method ◽  
Strand Displacement Reaction

A highly sensitive method for miRNA-21 detection has been developed, which relied on the principle of strand displacement reaction to achieve asymmetric signal amplification and combined with the enhanced effect of Ag10NPs.

Highly sensitive detection of nucleic acids using a cascade amplification strategy based on exonuclease III-assisted target recycling and conjugated polyelectrolytes

The Analyst ◽  
2018 ◽  
Vol 143 (18) ◽  
pp. 4267-4272 ◽  
Author(s):  
Biqing Bao ◽  
Yanrui Pan ◽  
Bingbing Gu ◽  
Jia Chen ◽  
Yu Xu ◽  
...  
Keyword(s):  
Nucleic Acids ◽  
Signal Amplification ◽  
Conjugated Polyelectrolytes ◽  
Exonuclease Iii ◽  
Target Recycling ◽  
Highly Sensitive ◽  
Exo Iii ◽  
Highly Sensitive Detection ◽  
Amplification Strategy ◽  
Cascade Amplification

A ratiometric and cascade amplification strategy that combines the signal amplification and effecitive FRET property of CPEs with the Exo III-assisted target recycling method has been developed for DNA detection.

A novel fluorescent assay for uracil DNA glycosylase activity built on the 3′–5′ exonuclease activity-based endonuclease IV cyclic signal amplification strategy

2020 ◽  
Vol 44 (48) ◽  
pp. 21211-21217
Author(s):  
Jing-Xuan Tian ◽  
Yan-Zhao Fang ◽  
Yi-Xuan Yang ◽  
Shuang Wu ◽  
Qiang Xiao ◽  
...  
Keyword(s):  
Signal Amplification ◽  
Dna Glycosylase ◽  
Exonuclease Activity ◽  
Sensitive Assay ◽  
Fluorescent Assay ◽  
Uracil Dna Glycosylase ◽  
Highly Sensitive ◽  
Dna Strands ◽  
Amplification Strategy

The unique 3′-5′ exonuclease activity of endonuclease IV to DNA strands has been demonstrated, which enables the development of a novel highly sensitive assay for UDG activity.

A highly sensitive electrochemical microRNA-21 biosensor based on intercalating methylene blue signal amplification and a highly dispersed gold nanoparticles/graphene/polypyrrole composite

The Analyst ◽  
2021 ◽  
Vol 146 (8) ◽  
pp. 2679-2688
Author(s):  
Chammari Pothipor ◽  
Noppadol Aroonyadet ◽  
Suwussa Bamrungsap ◽  
Jaroon Jakmunee ◽  
Kontad Ounnunkad
Keyword(s):  
Methylene Blue ◽  
Gold Nanoparticles ◽  
Signal Amplification ◽  
Electrochemical Biosensor ◽  
Highly Sensitive ◽  
Highly Dispersed ◽  
Polypyrrole Composite ◽  
Amplification Strategy ◽  
Dispersed Gold ◽  
Potential Tool

An ultrasensitive electrochemical biosensor based on a gold nanoparticles/graphene/polypyrrole composite modified electrode and a signal amplification strategy employing methylene blue is developed as a potential tool for the detection of miRNA-21.

Target-responsive dumbbell probe-mediated rolling circle amplification strategy for highly sensitive Hg2+ detection

RSC Advances ◽  
2014 ◽  
Vol 4 (51) ◽  
pp. 27091-27097 ◽  
Author(s):  
Qingwang Xue ◽  
Yanqin Lv ◽  
Yuanfu Zhang ◽  
Shuling Xu ◽  
Qiaoli Yue ◽  
...  
Keyword(s):  
Rolling Circle Amplification ◽  
Selective Detection ◽  
Label Free ◽  
Rolling Circle ◽  
Fluorescent Sensing ◽  
Highly Sensitive ◽  
Mercuric Ions ◽  
Amplification Strategy

A novel label-free amplified fluorescent sensing scheme based on target-responsive dumbbell probe-mediated rolling circle amplification (D-RCA) has been developed for sensitive and selective detection of mercuric ions.

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