Journal of Materials Science: Materials in Medicine

, Volume 24, Issue 12, pp 2709–2718 | Cite as

Mineralized collagen coatings formed by electrochemical deposition

  • Ting Ling
  • Jun Lin
  • Junjun Tu
  • Siqian Liu
  • Wenjian Weng
  • Kui Cheng
  • Huiming Wang
  • Piyi Du
  • Gaorong Han


Understanding and controlling the process of electrochemical deposition (ECD) of a mineralized collagen coating on metallic orthopedic implants is important for engineering highly bioactive coatings. In this work, the influence of different ECD parameters was investigated. The results showed that the mineralization degree of the coatings increased with deposition time, voltage potential and H2O2 addition, while chitosan addition led to weakening of mineralization, heavy mineralization resulted in a porous coating morphology. Furthermore, two typical coatings, dense and porous, were analyzed to investigate their microstructure and evaluated for their cytocompatibility; the dense coating showed better osteoblast adhesion and proliferation. Based on our understanding of how the different coating parameters influenced the coating, we proposed an ECD process in which the pH gradient near the cathode and the collagen isoelectric point were suggested to play crucial roles in controlling the mineralization and morphology of the coatings. The proposed ECD process may offer a guide for controlled deposition of a desired bioactive coating.


Chitosan Isoelectric Point Deposition Time Calcium Phosphate Collagen Fibril 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This work is financially supported by National Basic Research Program of China (973 Program, 2012CB933600) and by the National Natural Science Foundation of China (51072178, 51272228, 81071258, 81171003, 81271955). Qianjiang Talent Project of Zhejiang Province (2011R10057). The research fund of Science and Technology Department of Zhejiang Province of China (2010C33088).


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Department of Materials Science and Engineering, State Key Laboratory of Silicon MaterialsZhejiang UniversityHangzhouChina
  2. 2.The First Affiliated Hospital of Medical CollegeZhejiang UniversityHangzhouChina
  3. 3.The Shanghai Institute of CeramicsChinese Academy of SciencesShanghaiChina

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