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Nanoscale Ion mediated networks in bone: osteopontin can repeatedly dissipate large amounts of energy

Fantner, Georg E., Adams, Jonathan, Turner, Patricia, Thurner, Philipp J., Fisher, Larry W. and Hansma, Paul K. (2007) Nanoscale Ion mediated networks in bone: osteopontin can repeatedly dissipate large amounts of energy Nano Letters, 7, (8), pp. 2491-2498. (doi:10.1021/nl0712769).

Record type: Article


In the nanocomposite bone, inorganic material is combined with several types of organic molecules, and these complexes have been proposed to increase the bone strength. Here we report on a mechanism of how one of these components, human osteopontin, forms large mechanical networks that can repeatedly dissipate energy through work against entropy by breaking sacrificial bonds and stretching hidden length. The behavior of these in vitro networks is similar to that of organic components in bone, acting as an adhesive layer in between mineralized fibrils.

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Published date: July 2007


Local EPrints ID: 48335
ISSN: 1530-6984
PURE UUID: 0e794aed-5ea2-4188-958b-5447df7f7e72

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Date deposited: 13 Sep 2007
Last modified: 17 Jul 2017 15:00

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Author: Georg E. Fantner
Author: Jonathan Adams
Author: Patricia Turner
Author: Larry W. Fisher
Author: Paul K. Hansma

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