- Title
- Thiol oxidation at 2-mercaptopyrimidine-appended cobalt phthalocyanine modified glassy carbon electrodes
- Creator
- Obirai, Joseph C
- Creator
- Nyokong, Tebello
- Subject
- To be catalogued
- Date Issued
- 2007
- Date
- 2007
- Type
- text
- Type
- article
- Identifier
- http://hdl.handle.net/10962/281403
- Identifier
- vital:55722
- Identifier
- xlink:href="https://doi.org/10.1016/j.jelechem.2006.10.033"
- Description
- The electrocatalytic activity of cobalt tetra-2-mercaptopyrimidylphthalocyanine-modified glassy carbon electrode (CoTMPyrPc-GCE) toward gluthathione, L-cysteine and 2-mercaptoethanol has been investigated. CoTMPyrPc-GCE provides a significant improvement on the reported oxidation potential of L-cysteine in pH 4.0 phosphate buffered solution. The oxidation peak potential (Ep), for L-cysteine, was 0.15 V – a relatively lowered oxidation potential compared to reported phthalocyanine complexes. The electrode prepared by drop-dry/thermal annealing method was very stable and sensitive over a long period of time. The stability has been attributed to the thermal annealing and the structure of the mercaptopyrimidine on the periphery of the CoPc.
- Format
- computer
- Format
- online resource
- Format
- application/pdf
- Format
- 1 online resource (6 pages)
- Format
- Publisher
- Elsevier
- Language
- English
- Relation
- Journal of Electroanalytical Chemistry
- Relation
- Obirai, J.C. and Nyokong, T., 2007. Thiol oxidation at 2-mercaptopyrimidine-appended cobalt phthalocyanine modified glassy carbon electrodes. Journal of Electroanalytical Chemistry, 600(2), pp.251-256
- Relation
- Journal of Electroanalytical Chemistry volume 600 number 2 p. 251 2007 1873-2569
- Rights
- Publisher
- Rights
- Use of this resource is governed by the terms and conditions of the Elsevier Terms and Conditions Statement (https://www.elsevier.com/legal/elsevier-website-terms-and-conditions)
- Rights
- Closed Access
- Hits: 257
- Visitors: 305
- Downloads: 49
Collections
Nyokong, Tebello (Distinguished Professor)
RU DST/NRF SARChI for Medicinal Chemistry and Nanotechnology
RU Department of Chemistry
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