An enzyme-free fluorescent probe based on carbon dots – MnO2 nanosheets for determination of uric acid

An enzyme-free fluorescent probe based on carbon dots – MnO2 nanosheets for determination of... Journal of Photochemistry and Photobiology A: Chemistry 356 (2018) 603–609 Contents lists available at ScienceDirect Journal of Photochemistry and Photobiology A: Chemistry journal homepa ge: www.elsev ier.com/locate/jphotochem An enzyme-free fluorescent probe based on carbon dots – MnO nanosheets for determination of uric acid Mohammad Amjadi*, Tooba Hallaj, Zahra Kouhi Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz 5166616471, Iran A R T I C L E I N F O A B S T R A C T Article history: Received 18 December 2017 A turn-on fluorescent probe based on the effect of MnO nanosheets on the fluorescence of sulfur and Received in revised form 28 January 2018 nitrogen co-doped carbon dots (S,N-CDs) is reported for detection of uric acid. MnO nanosheets have Accepted 3 February 2018 several interesting physicochemical properties such as high extinction coefficient and rich redox Available online 5 February 2018 chemistry, which make them an excellent sensing platform. The fluorescence of S,N-CDs efficiently turns off in the presence of MnO nanosheets due to the inner filter effect as well as other quenching Keywords: mechanisms. By adding uric acid to the solution of S,N-CDs–MnO nanosheets, the fluorescence of S,N- MnO nanosheets CDs is http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Photochemistry and Photobiology A: Chemistry Elsevier

An enzyme-free fluorescent probe based on carbon dots – MnO2 nanosheets for determination of uric acid

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier B.V.
ISSN
1010-6030
eISSN
1873-2666
D.O.I.
10.1016/j.jphotochem.2018.02.002
Publisher site
See Article on Publisher Site

Abstract

Journal of Photochemistry and Photobiology A: Chemistry 356 (2018) 603–609 Contents lists available at ScienceDirect Journal of Photochemistry and Photobiology A: Chemistry journal homepa ge: www.elsev ier.com/locate/jphotochem An enzyme-free fluorescent probe based on carbon dots – MnO nanosheets for determination of uric acid Mohammad Amjadi*, Tooba Hallaj, Zahra Kouhi Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz 5166616471, Iran A R T I C L E I N F O A B S T R A C T Article history: Received 18 December 2017 A turn-on fluorescent probe based on the effect of MnO nanosheets on the fluorescence of sulfur and Received in revised form 28 January 2018 nitrogen co-doped carbon dots (S,N-CDs) is reported for detection of uric acid. MnO nanosheets have Accepted 3 February 2018 several interesting physicochemical properties such as high extinction coefficient and rich redox Available online 5 February 2018 chemistry, which make them an excellent sensing platform. The fluorescence of S,N-CDs efficiently turns off in the presence of MnO nanosheets due to the inner filter effect as well as other quenching Keywords: mechanisms. By adding uric acid to the solution of S,N-CDs–MnO nanosheets, the fluorescence of S,N- MnO nanosheets CDs is

Journal

Journal of Photochemistry and Photobiology A: ChemistryElsevier

Published: Apr 1, 2018

References

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