The Hierarchical Architecture of Nacre and its Mimetic Materials

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

The nacreous layer has been found to be composed of a three-level hierarchical architecture consisting of aragonite nano-building blocks. The nanometric crystals in submicrometric oriented platy units were bridged and covered with organic molecules. Nanostorage, an additional nanoscopic function leading to the incorporation of versatile organic dye molecules, resided in the aragonite/ biopolymer composites. Nacre-mimetic architectures in terms of the oriented assembly of nanocrystals with nanostorage were successfully produced through the crystal growth of alkali-earth carbonates in aqueous systems containing soluble polymeric species, such as poly(acrylic acid) (PAA) and silicate anions. A hierarchy similar to the nacreous layer could be formed by an appropriate combination of potassium sulfate and PAA. The nanometric and submicrometric stepwise growth of inorganic crystals accompanied with specific adsorption of soluble polymeric molecules is associated with the formation of a hierarchical architecture consisting of bridged nanocrystals.

Original languageEnglish
Title of host publicationHandbook of Biomineralization: Biological Aspects and Structure Formation
PublisherWiley-VCH Verlag GmbH & Co. KGaA
Pages89-107
Number of pages19
Volume2
ISBN (Print)9783527316410
DOIs
Publication statusPublished - 2008 Mar 20

Fingerprint

Nacre
Calcium Carbonate
carbopol 940
Crystallization
Nanoparticles
Silicates
Nanocrystals
Biopolymers
Molecules
Carbonates
Alkalies
Adsorption
Anions
Crystals
Coloring Agents
Earth (planet)
Composite materials

Keywords

  • Carbonate
  • Composite
  • Hierarchy
  • Mineral bridge
  • Nanocrystal
  • Poly(acrylic acid)
  • Polymer
  • Silicate

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Imai, H., & Oaki, Y. (2008). The Hierarchical Architecture of Nacre and its Mimetic Materials. In Handbook of Biomineralization: Biological Aspects and Structure Formation (Vol. 2, pp. 89-107). Wiley-VCH Verlag GmbH & Co. KGaA. https://doi.org/10.1002/9783527619443.ch29

The Hierarchical Architecture of Nacre and its Mimetic Materials. / Imai, Hiroaki; Oaki, Yuya.

Handbook of Biomineralization: Biological Aspects and Structure Formation. Vol. 2 Wiley-VCH Verlag GmbH & Co. KGaA, 2008. p. 89-107.

Research output: Chapter in Book/Report/Conference proceedingChapter

Imai, H & Oaki, Y 2008, The Hierarchical Architecture of Nacre and its Mimetic Materials. in Handbook of Biomineralization: Biological Aspects and Structure Formation. vol. 2, Wiley-VCH Verlag GmbH & Co. KGaA, pp. 89-107. https://doi.org/10.1002/9783527619443.ch29
Imai H, Oaki Y. The Hierarchical Architecture of Nacre and its Mimetic Materials. In Handbook of Biomineralization: Biological Aspects and Structure Formation. Vol. 2. Wiley-VCH Verlag GmbH & Co. KGaA. 2008. p. 89-107 https://doi.org/10.1002/9783527619443.ch29
Imai, Hiroaki ; Oaki, Yuya. / The Hierarchical Architecture of Nacre and its Mimetic Materials. Handbook of Biomineralization: Biological Aspects and Structure Formation. Vol. 2 Wiley-VCH Verlag GmbH & Co. KGaA, 2008. pp. 89-107
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