Materials Science and Engineering: C 2015-09-01

Peptide aptamers: Novel coatings for orthopaedic implants.

Micah Kelly, Richard Williams, Anuriti Aojula, Jenna O'Neill, Zuzanna Trzińscka, Liam Grover, Robert A H Scott, Anna F A Peacock, Ann Logan, Artemis Stamboulis, Felicity de Cogan

Index: Mater. Sci. Eng. C. Mater. Biol. Appl. 54 , 84-93, (2015)

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Abstract

Current processes for coating titanium implants with ceramics involve very high energy techniques with associated high cost and disadvantages such as heterogeneity of the coatings, phase transformations and inability to coat complex structures. In order to address the above problems, we propose a biomimetic hydroxyapatite coating process with the use of peptides that can bind both on titanium surfaces and hydroxyapatite. The peptides enabled homogeneous coating of a titanium surface with hydroxyapatite. The hydroxyapatite-peptide sandwich coating showed no adverse effects on cell number or collagen deposition. This makes the sandwich coated titanium a good candidate for titanium implants used in orthopaedics and dentistry. Copyright © 2015 Elsevier B.V. All rights reserved.

Related Compounds

  • Acetonitrile
  • Aqueous ammonia
  • Hydroxylapatite
  • Calcium hydroxycal...
  • trifluoroacetic ac...
  • Diammonium phospha...

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