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Biological Mineralization and Demineralization - Report of the Dahlem Workshop on Biological Mineralization and Demineralization Berlin 1981, October 18-23 (Paperback, Softcover reprint of the original 1st ed. 1982)
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Biological Mineralization and Demineralization - Report of the Dahlem Workshop on Biological Mineralization and Demineralization Berlin 1981, October 18-23 (Paperback, Softcover reprint of the original 1st ed. 1982)
Series: Dahlem Workshop Report, 23
Expected to ship within 10 - 15 working days
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normal and pathological mineralization in vertebrates but also with
the interesting problems involved in the formation of in
tracellular deposits of calcium oxalate in plants. Here cal cium
carbonate and silica may also be involved in the mineral ization
processes. Calcium carbonate is an important component in the
formation of mollusc and avian shells. The observation that both
calcite and aragonite may be formed in biogenic cal cium carbonate
raises important questions as to what factors control the formation
of the final mineral phase. There is little doubt that
thermodynamically less stable phases may be kinetically stabilized
for long periods of time by other mole cules present in vivo. In
normal mineralization, calcium salts may initially be deposited
both within the cells and extracel lularly. In the latter case, the
role of matrix vesicles and the ways in which the matrix components
might control mineral ization were especially emphasized. There is
clearly a need for more structural and functional information
involving cells, matrix components, and their associated crystals.
The develop ment of further techniques involving mutants,
chromofluors, and fixatives for preservation of tissue and the ions
present in vivo was recommended. In dealing with abnormal and
pathological mineralization, the Workshop concentrated on
urolithiasis, gout and pseudo-gout, and the formation of dental
caries. Discussions based on the influence of media of low pH on
mineral surfaces highlighted some of the factors of importance in
controlling crystal dis solution."
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