The DOI matches its Crossref record; 34 of the 34 references it cites were found in a registry or an index.
Imprinting of Molecular Recognition Sites through Electropolymerization of Functionalized Au Nanoparticles: Development of an Electrochemical TNT Sensor Based on π-Donor−Acceptor Interactions
Abstract
Electrochemical sensors for the analysis of TNT with enhanced sensitivities are described. The enhanced sensitivities are achieved by tailoring pi-donor-acceptor interactions between TNT and pi-donor-modified electrodes or pi-donor-cross-linked Au nanoparticles linked to the electrode. In one configuration a p-aminothiophenolate monolayer-modified electrode leads to the analysis of TNT with a sensitivity corresponding to 17 ppb (74 nM). In the second configuration, the cross-linking of Au NPs by oligothioaniline bridges to the electrode yields a functionalized electrode that detects TNT with a sensitivity that corresponds to 460 ppt (2 nM). Most impressively, the imprinting of molecular TNT recognition sites into the pi-donor oligoaniline-cross-linked Au nanoparticles yields a functionalized electrode with a sensitivity that corresponds to 46 ppt (200 pM). The electrode reveals high selectivity, reusability, and stability.
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Metadata
- Authors
- Riskin, M., Tel-Vered, R., Bourenko, T., Granot, E., & Willner, I.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-07-01
- Volume
- 130
- Issue
- 30
- Pages
- 9726-9733
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2021906850
- Cited by
- 295
- References
- 34
- FWCI
- 21.82
- Type
- journal article
- Language
- en
- Open access
- closed
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