A Highly Sensitive and Selective Probe for the Colorimetric Detection of Mn(II) Based on the Antioxidative Selenium and Nitrogen Co-Doped Carbon Quantum Dots and ABTS•+
Open Access
- 2 July 2021
- journal article
- research article
- Published by Frontiers Media SA in Frontiers in Chemistry
- Vol. 9, 658105
- https://doi.org/10.3389/fchem.2021.658105
Abstract
Herein, selenium and nitrogen co-doped carbon quantum dots (Se/N-CQDs) were hydrothermally synthesized by using citric acid, histidine, and sodium selenite, which had sp3 and sp2 hybridized carbon atoms and showed excitation-dependent fluorescence behavior. Furthermore, due to the redox reaction of ABTS•+ and Se/N-CQDs, Se/N-CQDs had the excellent antioxidant capacity that it was demonstrated by scavenging ABTS•+ with the fading of blue. Based on the synergistic effect of Se/N-CQDs and Mn(II) on ABTS•+, Se/N-CQDs and ABTS•+, as a stable, sensitive, selective, and reproducible colorimetric sensor, was applied to the detection of Mn(II) with a detection limit of 1.69 μM and a linear range of 0 to 142.90 μM. More importantly, the probe was successfully applied to detecting Mn(II) in tap water, illustrating that it could be a promising tool for Mn(II) detection in water environments.Keywords
This publication has 73 references indexed in Scilit:
- A facile synthesis of 1D nano structured selenium and Au decorated nano selenium: catalysts for the clock reactionRSC Advances, 2013
- Fabrication of highly fluorescent graphene quantum dots using l-glutamic acid for in vitro/in vivo imaging and sensingJournal of Materials Chemistry C, 2013
- A physicochemical examination of the free radical scavenging activity of Trolox: mechanism, kinetics and influence of the environmentPhysical Chemistry Chemical Physics, 2013
- The Origin of Fluorescence from Graphene OxideScientific Reports, 2012
- Carbon nanodots: synthesis, properties and applicationsJournal of Materials Chemistry, 2012
- Colorimetric detection of Mn2+ using silver nanoparticles cofunctionalized with 4-mercaptobenzoic acid and melamine as a probeTalanta, 2012
- Phenolic Composition and Antioxidant Properties of Polish Blue-Berried Honeysuckle Genotypes by HPLC-DAD-MS, HPLC Postcolumn Derivatization with ABTS or FC, and TLC with DPPH VisualizationJournal of Agricultural and Food Chemistry, 2012
- Chemistry and materials options of sustainable carbon materials made by hydrothermal carbonizationChemical Society Reviews, 2009
- Changes in free-radical scavenging ability of kombucha tea during fermentationFood Chemistry, 2008
- Role of the vitamin E model compound Trolox in the prevention of Cr(VI)-induced cellular damageToxicological & Environmental Chemistry, 2006