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Carbon Nanodots as Dual-Mode Nanosensors for Selective Detection of Hydrogen Peroxide
Shen, C. L.; L. X. Su; J. H. Zang; X. J. Li; Q. Lou and C. X. Shan
2017
Source PublicationNanoscale Research Letters
Volume12
AbstractHydrogen peroxide (H2O2) is an important product of oxidase-based enzymatic reactions, such as glucose/glucoseoxidase (GOD) reaction. Therefore, the probing of generated H2O2 for achieving the detection of various carbohydrates and their oxidases is very significative. Herein, we report one kind of dual-emission carbon nanodots (CDs) that can serve as novel dual-mode nanosensors with both fluorometric and colorimetric output for the selective detection of H2O2. The dual-model nanosensors are established only by the undecorated dual-emission CDs, where significant fluorometric and colorimetric changes are observed with the addition of different concentrations of H2O2 in the CD solution, which benefit to the achievement of the naked-eye detection for H2O2. The mechanism of the nanosensors can be attributed to the fact that the external chemical stimuli like hydroxyl radicals from H2O2 bring about the change of surface properties and the aggregation of CDs, which dominate the emission and absorption of CDs. The constructed dual-mode nanosensors exhibit good biocompatibility and high selectivity toward H2O2 with a linear detection range spanning from 0.05 to 0.5 M and allow the detection of H2O2 as low as 14 mM.
Indexed Bysci ; ei
Language英语
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/59174
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Shen, C. L.,L. X. Su,J. H. Zang,et al. Carbon Nanodots as Dual-Mode Nanosensors for Selective Detection of Hydrogen Peroxide[J]. Nanoscale Research Letters,2017,12.
APA Shen, C. L.,L. X. Su,J. H. Zang,X. J. Li,&Q. Lou and C. X. Shan.(2017).Carbon Nanodots as Dual-Mode Nanosensors for Selective Detection of Hydrogen Peroxide.Nanoscale Research Letters,12.
MLA Shen, C. L.,et al."Carbon Nanodots as Dual-Mode Nanosensors for Selective Detection of Hydrogen Peroxide".Nanoscale Research Letters 12(2017).
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