Direct observation of the transition from calcite to aragonite growth as induced by abalone shell proteins

被引：143

作者：

Thompson, JB ^{[1
]}

Paloczi, GT

Kindt, JH

Michenfelder, M

Smith, BL

Stucky, G

Morse, DE

Hansma, PK

机构：

[1] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA

[2] Univ Calif Santa Barbara, Dept Mol Cellular & Dev Biol, Santa Barbara, CA 93106 USA

[3] Univ Calif Santa Barbara, Dept Chem, Santa Barbara, CA 93106 USA

来源：

BIOPHYSICAL JOURNAL | 2000年 / 79卷 / 06期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/S0006-3495(00)76562-3

中图分类号：

Q6 [生物物理学];

学科分类号：

071011 ;

摘要：

The mixture of EDTA-soluble proteins found in abalone nacre are known to cause the nucleation and growth of aragonite on calcite seed crystals in supersaturated solutions of calcium carbonate. Past atomic force microscope studies of the interaction of these proteins with calcite crystals did not observe this transition because no information about the crystal polymorph on the surface was obtained. Here we have used the atomic force microscope to directly observe changes in the atomic lattice on a calcite seed crystal after the introduction of abalone shell proteins. The observed changes are consistent with a transition to (001) aragonite growth on a (1014) calcite surface.

引用

页码：3307 / 3312

页数：6

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