## Abstract ^13^C and ^15^N spectra of unsymmetrically __N__‐substituted formamides and alkyl‐, substituted alkyl‐, and arylcarboxamides, which can be considered as model peptide compounds, were determined and discussed in terms of nitrogen lone pair delocalization. Differential solvent shifts and
✦ LIBER ✦
Application of ESCA, EXAFS and NMR spectroscopy to the study of graphite intercalation compounds with halogen fluorides
✍ Scribed by Yu.I. Nikonorov; E.F. Hairetdinov
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 47 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0022-1139
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## Abstract Solid‐state NMR spectroscopy was applied to the analysis of melanins prepared by peroxidase‐H~2~O~2~ oxidation of dopamines specifically ^13^C labelled in the α‐ or β‐side chain positions. A surprisingly diverse pattern of signals indicated the presence of uncyclized dopamine and noradr