Control of biomimetic hydroxyapatite deposition on polymer substrates using different protein adsorption abilities

Kazutoshi Iijima, Atsushi Sakai, Akinori Komori, Yuri Sakamoto, Hisao Matsuno, Takeshi Serizawa, Mineo Hashizume

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We recently developed a system for coating polystyrene (PS) substrates with hydroxyapatite (HAp) by utilizing serum protein adsorption layers as mediators to induce the heterogeneous nucleation of HAp in simulated body fluids (SBFs). In this study, the selective deposition of HAp on polymer substrate surfaces with different protein adsorption abilities was investigated using PS and poly(methyl methacrylate) (PMMA). Atomic force microscopic observations and the results of a quantitative analysis using a quartz-crystal microbalance (QCM) revealed that the amounts of proteins such as human serum albumin (HSA) and human immunoglobulin G (hIgG) adsorbed on PS substrate surfaces were markedly greater than those on PMMA substrate surfaces. A markedly larger amount of HAp was deposited on protein-treated PS substrate surfaces than on PMMA substrate surfaces, reflecting protein adsorption to polymers. We also revealed that the deposition of HAp on protein-adsorbed PS substrate surfaces was enhanced by aqueous calcium chloride treatments before immersion in 1.5SBF. In the case of 2.5. M calcium chloride treatment, these surfaces were completely covered with deposits.

Original languageEnglish
Pages (from-to)77-83
Number of pages7
JournalColloids and Surfaces B: Biointerfaces
Volume130
DOIs
Publication statusPublished - Jun 1 2015

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Biomimetics
Polystyrenes
biomimetics
Durapatite
Hydroxyapatite
Adsorption
Polymers
proteins
Proteins
Polymethyl Methacrylate
adsorption
polystyrene
polymers
Substrates
Calcium Chloride
Polymethyl methacrylates
polymethyl methacrylate
calcium chlorides
Calcium chloride
Quartz Crystal Microbalance Techniques

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Surfaces and Interfaces
  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

Cite this

Control of biomimetic hydroxyapatite deposition on polymer substrates using different protein adsorption abilities. / Iijima, Kazutoshi; Sakai, Atsushi; Komori, Akinori; Sakamoto, Yuri; Matsuno, Hisao; Serizawa, Takeshi; Hashizume, Mineo.

In: Colloids and Surfaces B: Biointerfaces, Vol. 130, 01.06.2015, p. 77-83.

Research output: Contribution to journalArticle

Iijima, Kazutoshi ; Sakai, Atsushi ; Komori, Akinori ; Sakamoto, Yuri ; Matsuno, Hisao ; Serizawa, Takeshi ; Hashizume, Mineo. / Control of biomimetic hydroxyapatite deposition on polymer substrates using different protein adsorption abilities. In: Colloids and Surfaces B: Biointerfaces. 2015 ; Vol. 130. pp. 77-83.
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