Nanoengineering in echinoderms: The emergence of morphology from nanobricks

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147 Citations (Scopus)


The stereom of echinoderms was investigated in order to understand their unique morphology and properties that seem impossible in single-crystalline materials. Spines of three species (Echinometra mathaei (Blainville), Anthocidaris crassispina (A. Agassiz), and Heterocentrotus mammillantus) and the shell of a sea urchin were used as samples. The nanoscopic structure on the fractured surface and in the powdered samples of all the specimens without any observation by FESEM or FETEM, respectively, was recognized. The stereom sample before NaClO treatment homogeneously incorporates the dye molecules. The growth of a calcitic skeleton in echinoderms is characteristic of the transition from amorphous calcium carbonate (ACC) to a single crystal.

Original languageEnglish
Pages (from-to)66-70
Number of pages5
Issue number1
Publication statusPublished - 2006 Jan


  • Biomineralization
  • Crystal growth
  • Nanocomposites
  • Oriented architecture
  • Sea urchin

ASJC Scopus subject areas

  • Biotechnology
  • Biomaterials
  • General Chemistry
  • General Materials Science


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