Effect of some amino acids and peptides on silicic acid polymerization.

  title={Effect of some amino acids and peptides on silicic acid polymerization.},
  author={Thibaud Coradin and Jacques Livage},
  journal={Colloids and surfaces. B, Biointerfaces},
  volume={21 4},
The polymerization of silicic acid in aqueous solutions at different pH was followed by the colorimetric molybdosilicate method. The role of four amino acids (serine, lysine, proline and aspartic acid) and the corresponding homopeptides was studied. All four amino acids behave the same way and favor the condensation of silicic acid. Peptides exhibit a stronger catalytic effect than amino acids but they appear to behave in very different ways depending on the nature of side-groups and pH. Poly… CONTINUE READING

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