Electrochemical biosensor for hydroxymethylated DNA detection and β-glucosyltransferase activity assay based on enzymatic catalysis triggering signal amplification

2017 ◽  
Vol 243 ◽  
pp. 602-608 ◽  
Author(s):  
Huanshun Yin ◽  
Zhiqing Yang ◽  
Haiyan Wang ◽  
Yunlei Zhou ◽  
Shiyun Ai
Keyword(s):  
Signal Amplification ◽  
Electrochemical Biosensor ◽  
Dna Detection ◽  
Enzymatic Catalysis ◽  
Activity Assay

An electrochemical biosensor for the activity assay of polynucleotide kinase and inhibitor screening

2015 ◽  
Vol 7 (23) ◽  
pp. 9984-9991 ◽  
Author(s):  
Qingming Zhang ◽  
Xue Li ◽  
Bingchen Li ◽  
Huanshun Yin ◽  
Shiyun Ai
Keyword(s):  
Signal Amplification ◽  
Electrochemical Biosensor ◽  
Activity Assay ◽  
Inhibitor Screening ◽  
Polynucleotide Kinase

A sensitive and selective electrochemical biosensor was fabricated for polynucleotide kinase (PNK) activity assay and inhibitor screening based on phos-tag-biotin mediated double signal amplification.

An electrochemical glycan biosensor based on a thionine-bridged multiwalled carbon nanotube/gold nanoparticle composite-modified electrode

RSC Advances ◽  
2016 ◽  
Vol 6 (114) ◽  
pp. 112981-112987 ◽  
Author(s):  
Xinai Zhang ◽  
Chenyong Huang ◽  
Yuxiang Jiang ◽  
Jianzhong Shen ◽  
Ping Geng ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Cancer Cells ◽  
Gold Nanoparticle ◽  
Modified Electrode ◽  
Signal Amplification ◽  
Electrochemical Biosensor ◽  
Enzymatic Catalysis ◽  
Multiwalled Carbon Nanotube ◽  
Electron Mediator ◽  
Multiwalled Carbon

A MWCNT/Th/AuNP composite, used to construct an electrochemical biosensor for the mannose assay of living cancer cells, contained thionine as an electron mediator and simplified detection based on enzymatic catalysis for signal amplification.

A novel label free long non-coding RNA electrochemical biosensor based on green l-cysteine electrodeposition and Au–Rh hollow nanospheres as tags

RSC Advances ◽  
2015 ◽  
Vol 5 (64) ◽  
pp. 51990-51999 ◽  
Author(s):  
Fei Liu ◽  
Guiming Xiang ◽  
Liqun Zhang ◽  
Dongneng Jiang ◽  
Linlin Liu ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Signal Amplification ◽  
Electrochemical Biosensor ◽  
Single Wall Carbon Nanotubes ◽  
Complex Signal ◽  
Ultrasensitive Detection ◽  
Label Free ◽  
Hollow Nanospheres ◽  
Non Coding Rna ◽  
Long Non Coding Rna

lncRNA biosensor based on single-wall carbon nanotubes wrapped with Au–Rh hollow nanospheres (Au/Rh-HNP@SWCNT) complex signal amplification and an l-Cys Au nano-film provided ultrasensitive detection for the nuclear paraspeckle assembly transcript 1 (NEAT1).

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.

Nanosurface energy transfer indicating Exo III-propelled stochastic 3D DNA walkers for HIV DNA detection

The Analyst ◽  
2021 ◽  
Author(s):  
Na Wang ◽  
Yong Jian Jiang ◽  
Xu Zhang ◽  
Hua Rong Lin ◽  
Feng Cheng ◽  
...  
Keyword(s):  
Energy Transfer ◽  
Signal Amplification ◽  
Dna Detection ◽  
Hiv Dna ◽  
Dna Walker ◽  
Exo Iii ◽  
Dna Walkers

An Exo III-propelled stochastic 3D DNA walker based on nanosurface energy transfer was developed for enzyme-assisted DNA detection with signal amplification.

Highly sensitive lung cancer DNA detection via GO enhancing eATRP signal amplification

2021 ◽  
Vol 160 ◽  
pp. 105766
Author(s):  
Qianrui Liu ◽  
Jingliang Liu ◽  
Huaixia Yang ◽  
Xuchun Wang ◽  
Jinming Kong ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Signal Amplification ◽  
Dna Detection ◽  
Highly Sensitive

Signal amplification for DNA detection based on the HRP-functionalized Fe3O4 nanoparticles

Talanta ◽  
2011 ◽  
Vol 84 (2) ◽  
pp. 531-537 ◽  
Author(s):  
Xiao-Ya Dong ◽  
Xiao-Na Mi ◽  
Bo Wang ◽  
Jing-Juan Xu ◽  
Hong-Yuan Chen
Keyword(s):  
Fe3o4 Nanoparticles ◽  
Signal Amplification ◽  
Dna Detection

rhEPO/EPO discrimination with ultrasensitive electrochemical biosensor based on sandwich-type nano-Au/ZnO sol–gel/nano-Au signal amplification

2013 ◽  
Vol 50 ◽  
pp. 217-223 ◽  
Author(s):  
Liqun Zhang ◽  
Yunxia Wang ◽  
Jingjing Wang ◽  
Jianfeng Shi ◽  
Kun Deng ◽  
...  
Keyword(s):  
Signal Amplification ◽  
Electrochemical Biosensor ◽  
Sol Gel ◽  
Sandwich Type

Electrochemical biosensor for detection of pathogenic bacteria based on dual signal amplification of Cu3(PO4)2-mediated click chemistry and DNAzyme

The Analyst ◽  
2021 ◽  
Author(s):  
Hongguo Wei ◽  
Jiayu Wan ◽  
Shengjun Bu ◽  
Wenguang Zhang ◽  
Ma Li ◽  
...  
Keyword(s):  
Click Chemistry ◽  
Magnetic Separation ◽  
Concanavalin A ◽  
Signal Amplification ◽  
Pathogenic Bacteria ◽  
Electrochemical Biosensor ◽  
Inorganic Hybrid ◽  
Highly Sensitive ◽  
Antibody Conjugates ◽  
Dual Signal Amplification

A novel electrochemical biosensor for detecting pathogenic bacteria was designed based on specific magnetic separation and highly sensitive click chemistry. Instead of enzyme-antibody conjugates, organic-inorganic hybrid nanoflowers (Concanavalin A (Con...

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