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Bioplastics

Bioplastics

Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...

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Printing Thermoresponsive Reverse Molds for the Creation of Patterned Two-component Hydrogels for 3D Cell Culture

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Published on: July 10, 2013

Modified Polysaccharides: Potential Biomaterials for Bioprinting.

Tao Jiang^1,2, Yun Yang^1,2, Zening Lin^1,2

¹College of Intelligence Science and Technology, National University of Defense Technology, Changsha 410073, China.

Journal of Functional Biomaterials

|September 26, 2025

Summary

This summary is machine-generated.

Polysaccharides show promise for 3D bioprinting, but modifications are needed to improve their mechanical strength and printability for tissue engineering. This review details strategies to enhance these biomaterials for advanced regenerative medicine applications.

Keywords:

3D bioprinting modification methods polysaccharides printability tissue engineering

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Area of Science:

Biomaterials Science
Regenerative Medicine
Tissue Engineering

Background:

Polysaccharides offer biocompatibility and biodegradability for 3D bioprinting.
Challenges include poor mechanical strength, low bioactivity, and suboptimal printability.
Current limitations hinder complex tissue construct fabrication.

Purpose of the Study:

To systematically review modification strategies for polysaccharides in 3D bioprinting.
To address limitations in mechanical strength, bioactivity, and printability.
To provide a design blueprint for advanced polysaccharide bioinks.

Main Methods:

Analysis of fundamental requirements for bioprinting materials (shear-thinning, structural fidelity, cell-instructive functions).
Review of representative polysaccharides (chitosan, alginate, hyaluronic acid).
Discussion of modification approaches: chemical functionalization, physical reinforcement, biological hybridization.

Main Results:

Modification strategies enhance printability, mechanical robustness, and bioactivity.
Dynamic crosslinking enables self-healing and stimuli-responsive behaviors for biomimetic architectures.
Tailoring physicochemical and biological properties is key.

Conclusions:

Modified polysaccharides can overcome limitations for 3D bioprinting.
Future work should focus on balancing processability, cellular viability, and clinical translation.
Engineered polysaccharide bioinks are crucial for next-generation regenerative medicine.