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Non-thermal plasma activation of BPDA-PPD polyimide for improved cell-material interaction

Laura Astoreca Alvarez (UGent) , Pieter Cools (UGent) , David Schaubroeck (UGent) , Mahtab Asadian (UGent) , Sheida Aliakbarshirazi (UGent) , Heidi Declercq (UGent) , Maaike Op de Beeck (UGent) , Rino Morent (UGent) , Herbert De Smet (UGent) and Nathalie De Geyter (UGent)
(2020) POLYMER. 205.
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Abstract
Biocompatible BPA-PPD polyimide is widely used in the packaging of implantable devices. Plasma activation can improve its interaction with the surrounding tissue upon implantation. The influence of He, air, N2 and Ar plasma activation on polyimide's surface hydrophilicity, roughness, topography, composition and cell-surface interaction was evaluated, along with the influence of hydrophobic recovery on such properties. All plasma activations increased the surface hydrophilicity but neither the roughness nor topography changed. The increase was attributed to the incorporated O- and N-functionalities. 24 h after the activations the surface hydrophilicity decreased while maintaining the functionalities, due to the functionalities’ reorientation/migration towards the bulk of polyimide. Air and N2 activations improved the cell-surface interactions with fibroblasts. These were equally influenced by the surface hydrophilicity and the surface functionalities availability. The hydrophobic recovery lowered the initial cell adhesion but not the cell proliferation, as the hydrophobic recovery was progressively reversed in the culture media.
Keywords
Organic Chemistry, Polymers and Plastics

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MLA
Astoreca Alvarez, Laura, et al. “Non-Thermal Plasma Activation of BPDA-PPD Polyimide for Improved Cell-Material Interaction.” POLYMER, vol. 205, 2020, doi:10.1016/j.polymer.2020.122831.
APA
Astoreca Alvarez, L., Cools, P., Schaubroeck, D., Asadian, M., Aliakbarshirazi, S., Declercq, H., … De Geyter, N. (2020). Non-thermal plasma activation of BPDA-PPD polyimide for improved cell-material interaction. POLYMER, 205. https://doi.org/10.1016/j.polymer.2020.122831
Chicago author-date
Astoreca Alvarez, Laura, Pieter Cools, David Schaubroeck, Mahtab Asadian, Sheida Aliakbarshirazi, Heidi Declercq, Maaike Op de Beeck, Rino Morent, Herbert De Smet, and Nathalie De Geyter. 2020. “Non-Thermal Plasma Activation of BPDA-PPD Polyimide for Improved Cell-Material Interaction.” POLYMER 205. https://doi.org/10.1016/j.polymer.2020.122831.
Chicago author-date (all authors)
Astoreca Alvarez, Laura, Pieter Cools, David Schaubroeck, Mahtab Asadian, Sheida Aliakbarshirazi, Heidi Declercq, Maaike Op de Beeck, Rino Morent, Herbert De Smet, and Nathalie De Geyter. 2020. “Non-Thermal Plasma Activation of BPDA-PPD Polyimide for Improved Cell-Material Interaction.” POLYMER 205. doi:10.1016/j.polymer.2020.122831.
Vancouver
1.
Astoreca Alvarez L, Cools P, Schaubroeck D, Asadian M, Aliakbarshirazi S, Declercq H, et al. Non-thermal plasma activation of BPDA-PPD polyimide for improved cell-material interaction. POLYMER. 2020;205.
IEEE
[1]
L. Astoreca Alvarez et al., “Non-thermal plasma activation of BPDA-PPD polyimide for improved cell-material interaction,” POLYMER, vol. 205, 2020.
@article{8671652,
  abstract     = {Biocompatible BPA-PPD polyimide is widely used in the packaging of implantable devices. Plasma activation can improve its interaction with the surrounding tissue upon implantation. The influence of He, air, N2 and Ar plasma activation on polyimide's surface hydrophilicity, roughness, topography, composition and cell-surface interaction was evaluated, along with the influence of hydrophobic recovery on such properties. All plasma activations increased the surface hydrophilicity but neither the roughness nor topography changed. The increase was attributed to the incorporated O- and N-functionalities. 24 h after the activations the surface hydrophilicity decreased while maintaining the functionalities, due to the functionalities’ reorientation/migration towards the bulk of polyimide. Air and N2 activations improved the cell-surface interactions with fibroblasts. These were equally influenced by the surface hydrophilicity and the surface functionalities availability. The hydrophobic recovery lowered the initial cell adhesion but not the cell proliferation, as the hydrophobic recovery was progressively reversed in the culture media.},
  articleno    = {122831},
  author       = {Astoreca Alvarez, Laura and Cools, Pieter and Schaubroeck, David and Asadian, Mahtab and Aliakbarshirazi, Sheida and Declercq, Heidi and Op de Beeck, Maaike and Morent, Rino and De Smet, Herbert and De Geyter, Nathalie},
  issn         = {0032-3861},
  journal      = {POLYMER},
  keywords     = {Organic Chemistry,Polymers and Plastics},
  language     = {eng},
  pages        = {10},
  title        = {Non-thermal plasma activation of BPDA-PPD polyimide for improved cell-material interaction},
  url          = {http://dx.doi.org/10.1016/j.polymer.2020.122831},
  volume       = {205},
  year         = {2020},
}

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