NDLI: Highly sensitive and selective determination of hydrogen sulfide by resonance light scattering technique based on silver nanoparticles

Content Provider	Springer Nature Link
Author	Kuang, Yangfang Chen, Shu Long, Yunfei
Copyright Year	2017
Abstract	We have developed a green approach to prepare DNA-templated silver nanoparticles (Ag-NPs) from the direct reaction between Ag+ and ascorbic acid in the presence of DNA and sodium hydroxide. The Ag-NPs showed strong resonance light scattering (RLS) intensity property. Then, the interaction between hydrogen sulfide (H2S) and Ag-NPs was studied by measuring their RLS spectra. The results showed that there is a strong interaction between Ag-NPs and H2S, which resulted in a decrease in the size of Ag-NPs and a decrease in the RLS intensity of the Ag-NPs solution at the wavelength of 467 nm. The results demonstrated that the RLS technique offers a sensitive and simple tool for investigating the interaction between Ag-NPs and H2S, which can be applied to detect H2S with high sensitivity and selectivity without complex readout equipment. The linear range for H2S determination was found to be the range from 5.0 × 10−9 to 1.0 × 10−7 mol L−1, and the detection limit (3σ/k) was 2.8 × 10−9 mol L−1. Moreover, the proposed method was applied for the determination of H2S in natural water samples with satisfactory results. Graphical abstract The application of Ag-NPs in H2S detection
Starting Page	4001
Ending Page	4008
Page Count	8
File Format	PDF
ISSN	16182642
Journal	Analytical and Bioanalytical Chemistry
Volume Number	409
Issue Number	16
e-ISSN	16182650
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2017-04-17
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	H2S determination Silver nanoparticles Resonance light scattering Analytical Chemistry Biochemistry Laboratory Medicine Characterization and Evaluation of Materials Food Science Monitoring/Environmental Analysis
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Biochemistry

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