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Molecular mobility of polymeric implants and acute inflammatory response: An experimental study in mice

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Abstract

An overlooked factor in biomaterial research is the surface molecular flexibility for polymer based implants. The mobility of the polymer chains provides a way for the surface to adapt itself to the environment. This is relevant when the implant comes in contact with a biological fluid and its constituents. By changing the length of the alkyl side chain of poly(alkyl methacrylates) (PAMAs) an interesting opportunity is provided where it is possible to study the surface molecular mobility without changing the surface hydrophobicity, nor does it introduce any additives or any changes in the degree of polymer cross-linking. Four variants of PAMAs were implanted in the peritoneum of Balb/c mice using a well described setup. End points were taken after 18 h and estimations of inflammatory cell recruitment and implant-associated cells were studied. Relationship between surface molecular mobility and inflammatory cell recruitment as well as surface-associated cells was noted.

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Authors and Affiliations

  1. Department of Cell and Molecular Biology/Interface Biophysics Lundberg Laboratory, Göteborg University, Box 462, SE-405 30, Göteborg, Sweden

    M. Andersson, J. Hedlund, M. Berglin & H. Elwing

  2. Department of Bioengineering, University of Texas at Arlington, Arlington, Texas, USA

    L. Tang

Authors
  1. M. Andersson
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  2. J. Hedlund
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  3. M. Berglin
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  4. H. Elwing
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  5. L. Tang
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Correspondence to M. Andersson.

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Andersson, M., Hedlund, J., Berglin, M. et al. Molecular mobility of polymeric implants and acute inflammatory response: An experimental study in mice. J Mater Sci: Mater Med 18, 283–286 (2007). https://doi.org/10.1007/s10856-006-0690-9

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  • DOI: https://doi.org/10.1007/s10856-006-0690-9

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