Isolation of Collagen from Cortical Bovine Bone for Preparation of Porous Collagen Sponges

  • Ana B. Castro-CeseñaEmail author
  • Ekaterina E. Novitskaya
  • Ameya Phadke
  • Shyni Varghese
  • Joanna McKittrick
Conference paper
Part of the Conference Proceedings of the Society for Experimental Mechanics Series book series (CPSEMS)


Fabrication of collagen sponges from type I collagen isolated from cortical bovine femur bone is reported. Collagen was extracted with 0.1 M EDTA by refreshing the solution every 24 h for 9 days. Sodium dodecyl sulfate poly-acrylamide gel electrophoresis (SDS-PAGE) demonstrated the isolation of intact pure type I collagen. The sponges were fabricated by freeze-drying and heat-dehydration cross-linking of collagen solution. The resulting sponges showed fibrils arranged in a highly porous network. These sponges can be used for tissue engineering as well as for bone-like composite fabrication.


Collagen isolation Sponges Scaffolds Cortical bone 



We thank Ryan Anderson of CalIT2, UCSD, for help in SEM imaging. Ana Castro acknowledges the University of California Institute for Mexico and the United States (UC MEXUS-CONACyT). This work has been founded by the Ceramics Program (Grant# DMR1006931).


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Copyright information

© The Society for Experimental Mechanics, Inc. 2013

Authors and Affiliations

  • Ana B. Castro-Ceseña
    • 1
    Email author
  • Ekaterina E. Novitskaya
    • 1
  • Ameya Phadke
    • 2
  • Shyni Varghese
    • 2
  • Joanna McKittrick
    • 1
    • 3
  1. 1.Materials Science and Engineering ProgramUniversity of California, San DiegoLa JollaUSA
  2. 2.Department of BioengineeringUniversity of California, San DiegoLa JollaUSA
  3. 3.Department of Mechanical and Aerospace EngineeringUniversity of California, San DiegoLa JollaUSA

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