The system L-histidine+VO2+; A potentiometric and spectroscopic study.
✍ Scribed by J. Costa Pessoa; R.D. Gillard; S.M. Luz; R. Duarte; J.J.G. Moura
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 68 KB
- Volume
- 51
- Category
- Article
- ISSN
- 0162-0134
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The speciation in the quaternary aqueous H /H 2 VO 4 À /H 2 O 2 /l-aalanyl-l-histidine (Ah) system has been determined from quantitative 51 V NMR measurements and potentiometric data (glass electrode). The study was performed in 0.150 m Na(Cl) medium at 25 8C. Data were evaluated with the computer p
## Abstract The complexation of the V^IV^O ion with four amino acid derivatives of bis(imidazol‐2‐yl)methylamine [__N__‐glycyl‐bis(imidazol‐2‐yl)methylamine = Gly‐BIMA, __N__‐α‐aspartyl‐bis(imidazol‐2‐yl)methylamine = α‐Asp‐BIMA, __N__‐α‐glutamyl‐bis(imidazol‐2‐yl)methylamine = α‐Glu‐BIMA and __N__