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Luminol and gold nanoparticles co-precipitated reduced graphene oxide hybrids with long-persistent chemiluminescence for cholesterol detection

Abstract

Dual-functionalized reduced graphene oxide (rGO) hybrids with gold nanoparticles (AuNPs) and luminol (rGO/AuNPs/luminol) were prepared via π-π conjugation and electrostatic interaction. The as-prepared rGO/AuNPs/luminol hybrids exhibited enhanced and long-persistent chemiluminescence (CL) performance without decay for one hour when mixed with H2O2, which resulted from the generation of •OH, O2•−, 1O2 and π-C=C• species. A sensitive and selective CL sensor based on the rGO/AuNPs/luminol hybrids CL enhancing system was developed for cholesterol quantitation in the linear range from 0.71 to 11.43 µM with a detection limit of 0.55 µM. Furthermore, the proposed method was successfully exploited for determination cholesterol in the human serum samples.

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Publication details

The article was received on 13 Jun 2017, accepted on 09 Aug 2017 and first published on 09 Aug 2017


Article type: Paper
DOI: 10.1039/C7TB01607G
Citation: J. Mater. Chem. B, 2017, Accepted Manuscript
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    Luminol and gold nanoparticles co-precipitated reduced graphene oxide hybrids with long-persistent chemiluminescence for cholesterol detection

    K. L. Lin, T. Yang, F. F. Zhang, G. Lei, H. Y. Zou, Y. F. Li and C. Z. Huang, J. Mater. Chem. B, 2017, Accepted Manuscript , DOI: 10.1039/C7TB01607G

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