Analysis of the structure of synthetic and natural melanins by solid-phase NMR.

@article{Duff1988AnalysisOT,
  title={Analysis of the structure of synthetic and natural melanins by solid-phase NMR.},
  author={G. A. Duff and James Eeed Roberts and N A Foster},
  journal={Biochemistry},
  year={1988},
  volume={27 18},
  pages={
          7112-6
        }
}
The structures of one synthetic and two natural melanins are examined by solid-state NMR using cross polarization, magic angle sample spinning, and high-power proton decoupling. The structural features of synthetic dopa melanin are compared to those of melanin from malignant melanoma cells grown in culture and sepia melanin from squid ink. Natural abundance 13C and 15N spectra show resonances consistent with known pyrrolic and indolic structures within the heterogeneous biopolymer; 13C spectra… CONTINUE READING

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