Improving Hydrophilicity and Inducing Bone-Like Apatite Formation on PPBES by Polydopamine Coating for Biomedical Application
Open accessAbstract
Copoly(phthalazinone biphenyl ether sulfone) (PPBES) as a commercially available polyarylether is a promising orthopaedic implant material because its mechanical properties are similar to bone. However, the bioinert surface of polyarylether causes some clinical problems after implantation, which limits its application as an implant material. In this study, the surface of PPBES was modified by a biomineralization method of polydopamine-assisted hydroxyapatite formation (pHAF) to enhance its cytocompatibility. Polydopamine (PDA) coating, inspired by the adhesion mechanism of mussels, can readily endow PPBES with high hydrophilicity and the ability to integrate via the bone-like apatite coating. PPBES and PDA-coated PPBES were evaluated by scanning electronic microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and contact angle measurement. The water contact angles were reduced significantly after coating with PDA. PDA was successfully synthesized on PPBES and more PDA was obtained by increasing the temperature. Bone-like apatite on PPBES (apatite-coated PPBES) was confirmed by SEM and transmission electron microscopy (TEM). The cytotoxicity of pristine PPBES and apatite-coated PPBES were characterized by culturing of NIH-3T3 cells. Bone-like apatite synthesized by pHAF could further enhance cytocompatibility in vitro. This study provides a promising alternative for biofunctionalized PPBES with improved cytocompatibility for bone implant application.
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Cell adhesion on modified PPBES increased by 1.2-fold as detected by scanning electron microscopy.
“while cell adhesion was increased by 1.2-fold as detected by scanning electron microscopy.”
From Strategies for Using Polydopamine to Induce Biomineralization of Hydroxyapatite on Implant Materials for Bone Tissue Engineering (2020) · cites this paper as [68]
Section 2.3 (page unavailable) reports significantly more attached NIH-3T3 cells on apatite-coated than pristine PPBES and says SEM images show the difference. Our copy does not state a 1.2-fold increase. Section 3.4 (page unavailable) says cell numbers were counted with a hemocytometer, rather than quantified by SEM. (LLM, conf=0.87)
Experimental — accuracy not yet measuredpHAF on PPBES opens a new approach for surface modification of poly(aryl ether) derivatives to extend their application in bone tissue engineering.
“The results open a new approach for surface modification of poly(aryl ether) derivatives to extend their application in bone tissue engineering [68].”
From Strategies for Using Polydopamine to Induce Biomineralization of Hydroxyapatite on Implant Materials for Bone Tissue Engineering (2020) · cites this paper as [68]
Apatite coating on PPBES exhibited particle features similar to those produced from HA.
“Apatite coating on PPBES exhibited features of particles as similar to that produced from HA.”
From Strategies for Using Polydopamine to Induce Biomineralization of Hydroxyapatite on Implant Materials for Bone Tissue Engineering (2020) · cites this paper as [68]
Modified PPBES demonstrated low cytotoxicity (almost negligible) to NIH-3T3 cell lines.
“The modified PPBES demonstrated low cytotoxicity (almost negligible) to NIH-3T3 cell lines”
From Strategies for Using Polydopamine to Induce Biomineralization of Hydroxyapatite on Implant Materials for Bone Tissue Engineering (2020) · cites this paper as [68]
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Cites
Mussel‐Inspired Polydopamine Coating as a Universal Route to Hydroxyapatite Crystallization
Ryu, J., Ku, S. H., Lee, H., & Park, C. B. (2010) · Advanced Functional Materials · doi:10.1002/adfm.200902347 · Cited by 778 · see citing works
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Kaushik, N., Nhat Nguyen, L., Kim, J. H., Choi, E. H., & Kumar Kaushik, N. (2020) · International Journal of Molecular Sciences · doi:10.3390/ijms21186544 · Cited by 76 · see citing works
“The results open a new approach for surface modification of poly(aryl ether) derivatives to extend their application in bone tissue engineering [68].”
Background
- Authors
- Liu, C., Li, Y., Wang, J., Liu, C., Liu, W., & Jian, X.
- Affiliations
- Dalian University of Technology (CN)
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
- Department of Polymer Science & Engineering, Dalian University of Technology, Dalian 116024, China
- Corresponding author
- Jian, Xigao
- Venue
- Molecules
- Publisher
- MDPI AG
- Published
- 2018-07-05
- Volume
- 23
- Issue
- 7
- Pages
- 1643
- ISSN
- 1420-3049 (ISSN-L)
- PMC
- PMC6100182
- OpenAlex
- W2810001027
- Cited by
- 30
- References
- 2
- Citations by year
- 2026: 1 · 2025: 2 · 2024: 8 · 2023: 5 · 2022: 4 · 2021: 5 · 2020: 3 · 2019: 2
- FWCI
- 1.00
- Type
- journal article
- Language
- en
- Open access
- gold
- dx.doi.org
- Licence
- Locations
- Molecules (publishedVersion, cc-by)
- Europe PMC (PubMed Central) (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- National Natural Science Foundation of China (No. 51503025)
- China Postdoctoral Science Foundation (No. 2016M591426)
- National Key R&D Program of China (No. 2017YFB0307600)
- Liaoning Natural Science Foundation of China (No. 201501174 and 20170540175)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Bone Tissue Engineering Materials
- Physical Sciences › Materials Science › Surfaces, Coatings and Films › Polymer Surface Interaction Studies
- Physical Sciences › Engineering › Mechanical Engineering › Surface Treatment and Coatings
- Keywords
- polydopamine coating, hydroxyapatite formation, biomineralization, hydrophilicity, orthopedic implants, bone-like apatite, cytocompatibility, NIH3T3 cells, surface modification, biofunctionalization
- MeSH terms
- Animals, Cell Survival, Hydroxyapatites, Indoles, Microscopy, Electron, Scanning, Osteogenesis, Polymers, Surface Properties, Durapatite, Coated Materials, Biocompatible, NIH 3T3 Cells, Mice, Photoelectron Spectroscopy, Hydrophobic and Hydrophilic Interactions
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