Photopolymerization of Bio-Based Polymers in a Biomedical Engineering Perspective

Area of Science:

• Biomaterials Science
• Polymer Chemistry
• Biomedical Engineering

Background:

• Photopolymerization is a versatile technique for creating cross-linked polymer networks.
• This process is suitable for *in vivo* applications due to its fluid-solid phase transformation capabilities.
• Photoinitiators are essential components that trigger polymerization upon light absorption.

Purpose of the Study:

• To review photopolymerization technology, emphasizing natural polymers and photoinitiators.
• To explore the application of photopolymerization in 3D bioprinting for biomedical devices.
• To analyze factors influencing photopolymerization success and material properties.

Main Methods:

• Literature review of photopolymerization techniques and applications.
• Focus on natural polymers and their chemical modifications.
• Analysis of photoinitiator selection and light curing parameters.

Main Results:

• Photopolymerization facilitates the fabrication of cell-laden structures with high accuracy and controlled geometry.
• Successful implementation in 3D bioprinting systems leads to enhanced cell viability and proliferation.
• Various factors significantly impact the photopolymerization process and the properties of the resulting cross-linked materials.

Conclusions:

• Photopolymerization is a key technology for advanced biomedical device manufacturing.
• The choice of polymers, photoinitiators, and curing conditions dictates the success of the process.
• This technology holds significant promise for future innovations in regenerative medicine and tissue engineering.