The Hierarchical Architecture of Nacre and its Mimetic Materials

研究成果: Chapter

1 被引用数 (Scopus)

抄録

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.

本文言語English
ホスト出版物のタイトルHandbook of Biomineralization
ホスト出版物のサブタイトルBiological Aspects and Structure Formation
出版社Wiley-VCH Verlag GmbH & Co. KGaA
ページ89-107
ページ数19
2
ISBN(印刷版)9783527316410
DOI
出版ステータスPublished - 2008 3月 20

ASJC Scopus subject areas

  • 生化学、遺伝学、分子生物学一般

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