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Radical-cations as reference chromogens in kinetic studies of ono-electron transfer reactions: pulse radiolysis studies of 2,2′-azinobis-(3-ethylbenzthiazoline-6-sulphonate)
Abstract
Electrophilic free radicals such as OH˙, RS˙, CCl3O2˙, Br2˙–, and (SCN)2·– react rapidly with 2,2′-azinobis-(3-ethylbenzthiazoline-6-sulphonate)(ABTS) to form the radical-cation ABTS˙+, λmax. 415 nm (ε 3.6 × 104 l mol–1 cm–1). Absolute rate constants for these electron-transfer reactions have been determined by pulse radiolysis. Results suggest that ABTS˙+ is likely to prove a useful reference free radical, not only for the study of reactions in which a free radical is the electron acceptor, but also in studies of reactions of organic radicals with sulphydryl compounds.
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Citations
Cited by
Antioxidant activity applying an improved ABTS radical cation decolorization assay
Re, R., Pellegrini, N., Proteggente, A., Pannala, A., Yang, M., & Rice-Evans, C. (1999) · Free Radical Biology and Medicine · doi:10.1016/s0891-5849(98)00315-3 · Cited by 26,165
Apak, R., Gorinstein, S., Böhm, V., Schaich, K. M., Özyürek, M., & Güçlü, K. (2013) · Pure and Applied Chemistry · doi:10.1351/pac-rep-12-07-15 · Cited by 586
Reactivities of various mediators and laccases with kraft pulp and lignin model compounds
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Metadata
- Authors
- Wolfenden, B. S., & Willson, R. L.
- Venue
- J. Chem. Soc., Perkin Trans. 2
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 1982
- Issue
- 7
- Pages
- 805-812
- ISSN
- 0300-9580 (ISSN-L)
- 1364-5471
- OpenAlex
- W2159213474
- Cited by
- 647
- References
- 0
- FWCI
- 7.28
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Radical-cations as reference chromogens in kinetic studies of ono-electron transfer reactions: pulse radiolysis studies of 2,2′-azinobis-(3-ethylbenzthiazoline-6-sulphonate). https://app.cochat.ai/papers/10.1039/p29820000805
- The paper
- Wolfenden, B. S., & Willson, R. L. (1982). Radical-cations as reference chromogens in kinetic studies of ono-electron transfer reactions: pulse radiolysis studies of 2,2′-azinobis-(3-ethylbenzthiazoline-6-sulphonate). J. Chem. Soc., Perkin Trans. 2. https://doi.org/10.1039/p29820000805
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