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Personne :
Langelier, Ève.

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Langelier

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Ève.

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Département de génie mécanique, Faculté des sciences et de génie, Université Laval

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  • PublicationRestreint
    Cyclic traction machine for long-term culture of fibroblast-populated collagen gels
    (Springer, 1999-01-01) Langelier, Ève.; Germain, Lucie; Bouchard, Samuel; Lord, C.; Stevens, P.-P.; Rancourt, Denis; Auger, François A.
    Our research group has been investigating the effect of cyclic deformations on the evolution of fibroblast populated collagen gels (FPCG). Since existing traction machines are not designed for such an application, we had to design a cyclic traction machine adapted to tissue culture inside an incubator over an extended period of time. Biocompatible materials were used for fabrication to allow for easy sterilization and to prevent any adverse reaction from the tissue. The traction machine is based on a computer-controlled stepping motor system for easy adjustment of the deformation amplitude and frequency. The maximum stretching speed achieved is around 1mm/s. The traction machine can measure FPCG mechanical properties and perform rupture tests to determine its ultimate strength. Several FPCGs have been successfully cultured with the machine for up to four weeks without any adverse reaction.