Polycationic peptides from diatom biosilica that direct silica nanosphere formation.

@article{Krger1999PolycationicPF,
  title={Polycationic peptides from diatom biosilica that direct silica nanosphere formation.},
  author={N. Kr{\"o}ger and R. Deutzmann and M. Sumper},
  journal={Science},
  year={1999},
  volume={286 5442},
  pages={
          1129-32
        }
}
  • N. Kröger, R. Deutzmann, M. Sumper
  • Published 1999
  • Chemistry, Medicine
  • Science
  • Diatom cell walls are regarded as a paradigm for controlled production of nanostructured silica, but the mechanisms allowing biosilicification to proceed at ambient temperature at high rates have remained enigmatic. A set of polycationic peptides (called silaffins) isolated from diatom cell walls were shown to generate networks of silica nanospheres within seconds when added to a solution of silicic acid. Silaffins contain covalently modified lysine-lysine elements. The first lysine bears a… CONTINUE READING
    Self-Assembly in Biosilicification and Biotemplated Silica Materials
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