DNA base-stacking assay utilizing catalytic hairpin assembly-induced gold nanoparticle aggregation for colorimetric protein sensing

A label-free and enzyme-free colorimetric sensing platform for the amplified detection of fibronectin was developed based on an ingenious combination of catalytic hairpin assembly and a base stacking hybridization-based gold nanoparticle aggregation strategy. The detection limit of 2.3 pM is at leas...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2016-03, Vol.52 (22), p.4167-417
Hauptverfasser: Chang, Chia-Chen, Chen, Chie-Pein, Chen, Chen-Yu, Lin, Chii-Wann
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Chen, Chie-Pein
Chen, Chen-Yu
Lin, Chii-Wann
description A label-free and enzyme-free colorimetric sensing platform for the amplified detection of fibronectin was developed based on an ingenious combination of catalytic hairpin assembly and a base stacking hybridization-based gold nanoparticle aggregation strategy. The detection limit of 2.3 pM is at least one order of magnitude lower than that of established fibronectin biosensors. A label-free and enzyme-free colorimetric sensing platform for the amplified detection of fibronectin was developed based on an ingenious combination of catalytic hairpin assembly and a base stacking hybridization-based gold nanoparticle aggregation strategy.
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source MEDLINE; Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects Agglomeration
Biosensing Techniques
Catalysis
Catalysts
Colorimetry
Colorimetry - methods
Detection
DNA - chemistry
Fibronectin
Gold
Gold - chemistry
Limit of Detection
Metal Nanoparticles
Nanostructure
Proteins - analysis
title DNA base-stacking assay utilizing catalytic hairpin assembly-induced gold nanoparticle aggregation for colorimetric protein sensing
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