Shell microstructure, mineralogy and in vitro crystallization studies on the shell soluble matrix of abalone, Haliotis discus hannai Ino.
From: Journal of Shellfish Research
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Date: 12/15/2004
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Author: Ai, Qinghui; Liufu, Zhiguo; Ma, Hongming; Mai, Kangsen; Tan, Beiping; Xu, Wei; Zhang, Wenbing; Zhao, Jianmin
ABSTRACT The shell microstructure of the abalone, Haliotis discus hannai Ino, was studied using scanning electron microscopy. The shell consists of the periostracum, prismatic, and nacreous layers with calcite in the outer prismatic layer and aragonite in the inner nacreous layer. FTIR analysis of the prismatic powder showed characteristic spectra of calcite: 876 [cm.sup.-1] (v2) and 710 [cm.sup.-1] (v4), whereas aragonitic nacreous powder had characteristic spectra of 858 ...
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