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Hybrid crystals of calcium carbonate and amino acids

Japanese journal of applied physics, ISSN: 0021-4922, Vol: 39, Issue: 10 B
2000
  • 11
    Citations
  • 0
    Usage
  • 5
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    11
    • Citation Indexes
      11
  • Captures
    5

Article Description

We have investigated the effects of amino acids on the crystallization of calcium carbonate (CaCO), and the reactivity between amino acids and CaCO. Noncharged-polar and acidic amino acids are highly incorporated into CaCO and stabilize cauliflower-like grains composed of vaterite which is thermodynamically unstable in the CaCO polymorphs. Amino acids in the hybrid CaCO form radicals different from those in crystalline amino acids by X-ray irradiation. The results imply that the hybrid carbonate can provide a reaction field for organic synthesis. We also propose models for the bond between amino acids and CaCO using semiempirical approximation procedures.

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