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Determination of diffusion coefficients in bovine bone by means of conductivity measurement
Lunds universitet, LTH, SWE.
2014 (English)In: International Journal of Experimental and Computational Biomechanics, ISSN 1755-8743, Vol. 2, no 4, p. 324-342Article in journal (Refereed) Published
Abstract [en]

Measuring the diffusivity of various substances in cortical bone is in general difficult. For instance, making use of micro computed tomography requires agents that can be separated from bone, blood and other substances that exist in cortical bone. Here a more easily accessible method is presented. A series of cortical bovine bone samples were put in a saturated solution of potassium chloride for a time period that was long enough for the samples to be regarded as saturated. The samples were removed from the solution and moulded in polyester leaving only the radial directions open. In the next step, the bone samples were put in distilled water and the conductivity of the water was registered over time. An analytical model fulfilling Ficks law was introduced and by means of Kalman filtering an estimation for the diffusion coefficient of potassium chloride in bovine bone is presented.

Place, publisher, year, edition, pages
2014. Vol. 2, no 4, p. 324-342
Keywords [en]
diffusion in bovine bone, diffusion experiment, conductivity measurement, bone material constants, Fick’s law, Fourier series, Kalman filter, transient solution, experimental biomechanics
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:bth-17094DOI: 10.1504/IJECB.2014.066086OAI: oai:DiVA.org:bth-17094DiVA, id: diva2:1254084
Available from: 2018-10-08 Created: 2018-10-08 Last updated: 2018-10-12Bibliographically approved

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Reheman, Wureguli

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