Label-free and ultrasensitive fluorescence detection of cocaine based on a strategy that utilizes DNA-templated silver nanoclusters and the nicking endonuclease-assisted signal amplification method

2014 ◽  
Vol 50 (2) ◽  
pp. 180-182 ◽  
Author(s):  
Kai Zhang ◽  
Ke Wang ◽  
Xue Zhu ◽  
Jue Zhang ◽  
Lan Xu ◽  
...  
Keyword(s):  
Fluorescence Detection ◽  
Signal Amplification ◽  
Silver Nanoclusters ◽  
Label Free ◽  
Nicking Endonuclease ◽  
Amplification Method

Label-free and highly sensitive fluorescence detection of lead(ii) based on DNAzyme and exonuclease III-assisted cascade signal amplification

2019 ◽  
Vol 43 (15) ◽  
pp. 5857-5862 ◽  
Author(s):  
Jiafeng Pan ◽  
Qiong Li ◽  
Danhua Zhou ◽  
Junhua Chen
Keyword(s):  
Fluorescence Detection ◽  
Signal Amplification ◽  
Label Free ◽  
Exonuclease Iii ◽  
Highly Sensitive ◽  
Exo Iii

A Pb2+ biosensor has been constructed based on Exo III-assisted cascade signal amplification using 2-amino-5,6,7-trimethyl-1,8-naphthyridine as the signal indicator.

Target-controlled formation of silver nanoclusters in abasic site-incorporated duplex DNA for label-free fluorescence detection of theophylline

Nanoscale ◽  
2014 ◽  
Vol 6 (17) ◽  
pp. 9977-9982 ◽  
Author(s):  
Ki Soo Park ◽  
Seung Soo Oh ◽  
H. Tom Soh ◽  
Hyun Gyu Park
Keyword(s):  
Fluorescence Detection ◽  
Silver Nanoclusters ◽  
Sensitive Detection ◽  
Duplex Dna ◽  
Label Free ◽  
Abasic Site

A novel, label-free, fluorescence based sensor for the selective and sensitive detection of theophylline has been developed.

DNA-regulated silver nanoclusters for label-free ratiometric fluorescence detection of DNA

2014 ◽  
Vol 50 (89) ◽  
pp. 13698-13701 ◽  
Author(s):  
Lin Liu ◽  
Qianhui Yang ◽  
Jianping Lei ◽  
Nan Xu ◽  
Huangxian Ju
Keyword(s):  
Fluorescence Detection ◽  
Silver Nanoclusters ◽  
Label Free ◽  
Ratiometric Fluorescence ◽  
One Pot ◽  
Target Dna ◽  
Ag Nanoclusters

Two kinds of DNA-templated Ag nanoclusters were one-pot synthesized on an oligonucleotide for ratiometric fluorescence detection of target DNA.

scholarly journals A novel, label-free fluorescence detection method for the formation of G-quadruplex DNA based on DNA-templated silver nanoclusters

RSC Advances ◽  
2017 ◽  
Vol 7 (40) ◽  
pp. 24628-24632 ◽  
Author(s):  
Jiaona Xu ◽  
Chunying Wei
Keyword(s):  
Fluorescence Detection ◽  
Detection Method ◽  
Silver Nanoclusters ◽  
Label Free ◽  
Quadruplex Dna ◽  
G Quadruplex ◽  
Ag Ncs

A novel, label-free fluorescence detection method was proposed for the formation of the G-quadruplex DNAs based on placing two DNA-Ag NCs together to light-up fluorescence.

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).

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