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Development of a Novel Quantum Dots and Graphene Oxide Based FRET Assay for Rapid Detection of invA Gene of Salmonella.


ABSTRACT: A novel, rapid and simple fluorescence resonance energy transfer (FRET) based Salmonella specific gene, invA, detection system was developed, in which quantum dots (QDs) and graphene oxide (GO) worked as fluorescent donor and quencher, respectively. By measuring the fluorescence intensity signal, the Salmonella specific invA gene could be sensitively and specifically detected with a limit of detection (LOD) of ?4 nM of the invA gene in 20 min. The developed system has the potential to be used for Salmonella detection in food and environmental samples and further developed into a platform for detection of other bacterial pathogens.

SUBMITTER: Guo J 

PROVIDER: S-EPMC5239778 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Development of a Novel Quantum Dots and Graphene Oxide Based FRET Assay for Rapid Detection of <i>invA</i> Gene of <i>Salmonella</i>.

Guo Jiubiao J   Chan Edward W C EW   Chen Sheng S   Zeng Zhenling Z  

Frontiers in microbiology 20170117


A novel, rapid and simple fluorescence resonance energy transfer (FRET) based <i>Salmonella</i> specific gene, <i>invA</i>, detection system was developed, in which quantum dots (QDs) and graphene oxide (GO) worked as fluorescent donor and quencher, respectively. By measuring the fluorescence intensity signal, the <i>Salmonella</i> specific <i>invA</i> gene could be sensitively and specifically detected with a limit of detection (LOD) of ∼4 nM of the <i>invA</i> gene in 20 min. The developed sys  ...[more]

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