The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.
Microwave-Assisted Synthesis of a Core–Shell MWCNT/GONR Heterostructure for the Electrochemical Detection of Ascorbic Acid, Dopamine, and Uric Acid
Abstract
In this study, graphene oxide nanoribbons (GONRs) were synthesized from the facile unzipping of multiwalled carbon nanotubes (MWCNTs) with the help of microwave energy. A core-shell MWCNT/GONR-modified glassy carbon (MWCNT/GONR/GC) electrode was used to electrochemically detect ascorbic acid (AA), dopamine (DA), and uric acid (UA). In cyclic voltammograms, the MWCNT/GONR/GC electrode was found to outperform the MWCNT- and graphene-modified GC electrodes in terms of peak current. For the simultaneous sensing of three analytes, well-separated voltammetric peaks were obtained using a MWCNT/GONR/GC electrode in differential pulse voltammetry measurements. The corresponding peak separations were 229.9 mV (AA to DA), 126.7 mV (DA to UA), and 356.6 mV (AA to UA). This excellent electrochemical performance can be attributed to the unique electronic structure of MWCNTs/GONRs: a high density of unoccupied electronic states above the Fermi level and enriched oxygen-based functionality at the edge of the graphene-like structures, as revealed by X-ray absorption near-edge structure spectroscopy, obtained using scanning transmission X-ray microscopy.
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Cites
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Higginbotham, A. L., Kosynkin, D. V., Sinitskii, A., Sun, Z., & Tour, J. M. (2010) · ACS Nano · doi:10.1021/nn100118m · Cited by 585
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Li, L., Ji, J., Fei, R., Wang, C., Lu, Q., Zhang, J., Jiang, L., & Zhu, J. (2012) · Advanced Functional Materials · doi:10.1002/adfm.201200166 · Cited by 890
A review on graphene-based nanocomposites for electrochemical and fluorescent biosensors
Krishnan, S. K., Singh, E., Singh, P., Meyyappan, M., & Nalwa, H. S. (2019) · RSC Advances · doi:10.1039/c8ra09577a · Cited by 785
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Synthesis and Modification of Carbon Nanomaterials utilizing Microwave Heating
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Graphene and its nanocomposite material based electrochemical sensor platform for dopamine
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Zhang, W., Zhu, S., Luque, R., Han, S., Hu, L., & Xu, G. (2016) · Chemical Society Reviews · doi:10.1039/c5cs00297d · Cited by 313
ZnO Nanowire Arrays on 3D Hierachical Graphene Foam: Biomarker Detection of Parkinson’s Disease
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Highly Efficient Laser Scribed Graphene Electrodes for On‐Chip Electrochemical Sensing Applications
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Metadata
- Authors
- Sun, C.-L., Chang, C.-T., Lee, H.-H., Zhou, J., Wang, J., Sham, T.-K., & Pong, W.-F.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-09-22
- Volume
- 5
- Issue
- 10
- Pages
- 7788-7795
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2009553601
- Cited by
- 328
- References
- 4
- FWCI
- 17.60
- Type
- journal article
- Language
- en
- Open access
- closed
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