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).

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Description/Abstract

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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1021/nl0712769
ISSNs: 1530-6984 (print)
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ePrint ID: 48335
Date :
Date Event
July 2007Published
Date Deposited: 13 Sep 2007
Last Modified: 16 Apr 2017 18:24
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/48335

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