ArticleNanomaterials (Basel, Switzerland)2020
Construction of Time-Resolved Luminescence Nanoprobe and Its Application in As(III) Detection.
Article in Nanomaterials (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Heavy Metal Ions Trigger a Fluorescent Quenching in DNA-Organic Semiconductor Hybrid Assemblies.Polymers · 2022Article
- Advances in aptamer screening and aptasensors' detection of heavy metal ions.Journal of nanobiotechnology · 2021Review
- Application of DNA-Nanosensor for Environmental Monitoring: Recent Advances and Perspectives.Current pollution reports · 2020Review
- Design and Synthesis of Novel 2D Porous Zinc Oxide-Nickel Oxide Composite Nanosheets for Detecting Ethanol Vapor.Nanomaterials (Basel, Switzerland) · 2020Article
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4 authors.
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Abstract
As(III) is a toxic heavy metal which causes serious health problems. Therefore, the development of highly sensitive sensors for As(III) detection is of great significance. Herein, a turn-on luminescence resonance energy transfer (LRET) method based on luminous nanorods was designed for As(III) detection. Biotin-labelled As(III) aptamers were tagged to avidin functionalized luminous nanorods as energy donors, while graphene oxide (GO) acted as the energy acceptor. The adsorption of single-stranded DNA on graphene oxide resulted in the efficient quenching of the luminescence of the nanorods through the LRET process. In the presence of As(III), aptamers bonded to As(III) preferentially and resulted in the formation of aptamer-As(III) complexes. The aptamer-As(III) complexes were rubbed off from the GO surface due to their conformational change, which led to the recovery of the luminescence of the nanorods. A good linear relationship between the luminescence intensity and concentration of As(III) was obtained in the range from 1 to 50 ng·mL
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