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Modulating cell adhesion to polybutylene succinate biotextile constructs for tissue engineering applications.

Viviana P Ribeiro^1,2, Lília R Almeida^1,2, Ana R Martins^1,2

¹3B's Research Group - Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Guimarães, Portugal.

Journal of Tissue Engineering and Regenerative Medicine

|July 15, 2016

Summary

Knitting technology creates polybutylene succinate scaffolds for tissue engineering. Surface treatments significantly enhance cell adhesion, particularly sodium hydroxide etching, optimizing scaffold potential.

Keywords:

biomedical biotextile knitted structure polybutylene succinate scaffold surface modification tissue engineering

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Published on: October 26, 2016

Area of Science:

Biomaterials Engineering
Tissue Engineering
Textile Science

Background:

Textile-based technologies offer scalable production of 3D porous scaffolds for tissue engineering.
Polybutylene succinate (PBS) is a promising biodegradable polymer for scaffold fabrication.

Purpose of the Study:

To investigate the effect of surface treatments on polybutylene succinate knitting scaffolds.
To tailor scaffold surface properties for enhanced cell adhesion in tissue engineering.

Main Methods:

Fabrication of PBS scaffolds using knitting technology.
Surface functionalization via NaOH etching, UV/ozone treatment, and plasma grafting (acrylic acid, vinyl phosphonic acid, vinyl sulphonic acid).
Characterization using microscopy, X-ray photoelectron spectroscopy, contact angle measurements, tensile tests, and DNA quantification.

Main Results:

Surface treatments altered scaffold morphology, roughness, and surface energy.
Treatments introduced oxygen-containing groups, increasing surface wettability.
Modified scaffolds showed enhanced cell adhesion and altered cell morphology, with NaOH treatment being most effective.

Conclusions:

Surface treatments are effective in modifying PBS knitting scaffolds for tissue engineering.
Enhanced cell adhesion suggests improved potential for tissue regeneration applications.
The study highlights the importance of surface functionalization for biomaterial performance.