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Novel Process for 3D Printing Decellularized Matrices

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Bioresorbable Polymers: Advanced Materials and 4D Printing for Tissue Engineering.

Sybele Saska¹, Livia Pilatti¹, Alberto Blay¹

¹M3 Health Industria e Comercio de Produtos Medicos, Odontologicos e Correlatos S.A., Jundiaí, Sao Paulo 13212-213, Brazil.

|March 6, 2021

Summary

Four-dimensional (4D) printing uses smart materials to create dynamic tissue scaffolds that change shape. This technology enhances engineered tissues for improved biomedical applications.

Keywords:

4D printing advanced polymers bioresorbable polymers tissue engineering

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Area of Science:

Biomedical Engineering
Materials Science

Background:

Three-dimensional (3D) printing is crucial for creating complex tissue engineering scaffolds.
Current 3D printed structures lack the dynamic shape-changing capabilities of native tissues.
Stimuli-responsive materials offer potential for dynamic microstructural modifications.

Purpose of the Study:

Introduce four-dimensional (4D) printing as an advancement over 3D printing for tissue engineering.
Highlight the use of smart, stimuli-responsive materials in 4D bio-fabrication.
Review bioresorbable polymers for 4D printing applications in tissue engineering.

Main Methods:

Utilizing stimuli-responsive materials, including polymeric hydrogels, for 4D bio-fabrication.
Developing dynamic scaffolds that enable pre-planned morphological changes in engineered tissues.
Investigating the biocompatibility and bioresorbability of advanced polymers for scaffold fabrication.

Main Results:

4D printing enables the creation of dynamic scaffolds with shape-changing properties.
Stimuli-responsive polymeric hydrogels are highly promising for 4D bio-fabrication due to their biocompatibility and resemblance to the extracellular matrix.
Advanced bioresorbable polymers are suitable for 4D printing in tissue engineering.

Conclusions:

4D printing represents a significant advancement in tissue engineering by introducing dynamic, shape-changing capabilities.
Stimuli-responsive materials, particularly hydrogels, are key to developing effective 4D bio-fabricated scaffolds.
Further research into bioresorbable polymers will drive innovation in 4D printing for regenerative medicine.