<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Different preservation methods are currently used in bone banks, even though their effects on allograft quality are not fully understood. Freezing is one of the most popular methods of preservation in tissue banking. Yet, there is not a lot of data on dynamic mechanical properties of frozen bone. Material used in this study was femoral bones from adult bovine that were machine cut and frozen to the temperature 140°C. Both elastic modulus and loss modulus were measured at 1, 3, 5, 10, and 20 Hz in the temperature range of 30-200°C. Differences between frozen and control samples were observed. The frequency increase always led to the increase in elastic modulus values and decrease in loss modulus values. Freezing reduced the elastic modulus values of about 25% and the loss modulus values of about 45% when measured at 20°C.</p></abstract>

Different preservation methods are currently used in bone banks, even though their effects on allograft quality are not fully understood. Freezing is one of the most popular methods of preservation in tissue banking. Yet, there is not a lot of data on dynamic mechanical properties of frozen bone. Material used in this study was femoral bones from adult bovine that were machine cut and frozen to the temperature 140°C. Both elastic modulus and loss modulus were measured at 1, 3, 5, 10, and 20 Hz in the temperature range of 30-200°C. Differences between frozen and control samples were observed. The frequency increase always led to the increase in elastic modulus values and decrease in loss modulus values. Freezing reduced the elastic modulus values of about 25% and the loss modulus values of about 45% when measured at 20°C.

The influence of low temperatures on dynamic mechanical properties of animal bone

Department of Biophysics, University of Medical Sciences, Poznan, Poland

Institute of Physics, Adam Mickiewicz University, Poznan, Poland

Polish Journal of Medical Physics and Engineering

Different preservation methods are currently used in bone banks, even though their effects on allograft quality are not fully understood. Freezing is one of...

The influence of low temperatures on dynamic mechanical properties of animal bone

Publié en ligne: 22 sept. 2010

Pages: 153 - 159

DOI: https://doi.org/10.2478/v10013-009-0015-7

Mots clés
dynamic mechanical analysis, bones, freezing

This content is open access.

The influence of low temperatures on dynamic mechanical properties of animal bone

Publié en ligne: 22 sept. 2010

Pages: 153 - 159

DOI: https://doi.org/10.2478/v10013-009-0015-7

Mots clésdynamic mechanical analysis, bones, freezing

This content is open access.

Mots clés
dynamic mechanical analysis, bones, freezing