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Ultrasound monitoring of the setting of calcium-based bone cements
Faculty of Medical Bioengineering, Gr. T. Popa University of Medicine and Pharmacy, Str. Kogalniceanu 9-13, 700454 Iasi.
Division of Bioengineering & Biomaterials, Interdepartment Research Group for the Applied Scientific Collaboration (IRGASC), Technical University of Catalonia (UPC), Avda. Diagonal 647, 08028 Barcelona.
Division of Bioengineering & Biomaterials, Interdepartment Research Group for the Applied Scientific Collaboration (IRGASC), Technical University of Catalonia (UPC), Avda. Diagonal 647, 08028 Barcelona.
Division of Bioengineering & Biomaterials, Interdepartment Research Group for the Applied Scientific Collaboration (IRGASC), Technical University of Catalonia (UPC), Avda. Diagonal 647, 08028 Barcelona.
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2012 (English)In: Journal of materials science. Materials in medicine, ISSN 0957-4530, E-ISSN 1573-4838, Vol. 23, no 7, p. 1563-1568Article in journal (Refereed) Published
Abstract [en]

In this study, the setting of calcium-sulphate (CS) and -phosphate (CP) based bone cements (BCs) was monitored by ultrasound. The objective was to link acoustic and material properties of ceramic-based BCs from the early stages of the cement curing process. The powder phase of the CS-cement consisted of CS hemihydrate; the CP-cement was a mixture of alpha-tricalcium phosphate, CS dihydrate and hydroxyapatite. For the CS-cement, the acoustic impedance z c(t), the speed of sound c c(t) and the density ρc(t) were measured at the interval of liquid-to-powder ratios LPRs from 0.20 to 3.00 ml/g. For the CP-cement, the acoustic characteristics obtained were the z c(t) and the reflection coefficient R p,c(t), and the LPRs ranged from 0.30 to 0.40 ml/g. The resulting acoustic properties indicated that CP- and CS-cements exhibited distinctly different curing behaviour; while CS-cement expanded, CP-cement shrank with time.

Place, publisher, year, edition, pages
2012. Vol. 23, no 7, p. 1563-1568
National Category
Signal Processing Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Signal Processing; Industrial Electronics
Identifiers
URN: urn:nbn:se:ltu:diva-2947DOI: 10.1007/s10856-012-4636-0ISI: 000305698500001Scopus ID: 2-s2.0-84863310596Local ID: 0b065e92-578a-4ef2-b505-8e60bc6d5f8fOAI: oai:DiVA.org:ltu-2947DiVA, id: diva2:975801
Note
Validerad; 2012; 20120411 (johanc)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Carlson, Johan E.

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