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Reference type: Journal
Authors: Amjadi M, Jalili R
Article Title: Molecularly imprinted polymer-capped nitrogen-doped graphene quantum dots as a novel chemiluminescence sensor for selective and sensitive determination of doxorubicin.
Publication date: 2016
Journal: RSC Advances
Volume: 6
Issue: (89)
Page numbers: 86736-86743.
DOI: 10.1039/C6RA18184H

Abstract: In this work, molecularly imprinted polymer-capped nitrogen-doped graphene quantum dots (MIP@NGQDs) were prepared via a simple sol-gel process and used for recognition of the anti-cancer drug, doxorubicin. Strong chemiluminescence (CL) emission was observed when potassium permanganate was injected into the solution of MIP@NGQDs. At the same time, in the presence of doxorubicin the CL intensity was significantly quenched and this was exploited to develop a CL detection scheme for this drug. The mechanism of the MIP@NGQDs/KMnO4 CL system was investigated by recording UV-Vis, fluorescence and CL spectra. Under the optimal conditions, the relative CL intensity linearly decreased with the concentration of doxorubicin in the range of 20-260 μg L-1. The limit of detection was 4.7 μg L-1. The method was applied to the determination of therapeutic levels of doxorubicin in spiked serum samples with satisfactory results
Template and target information: doxorubicin


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