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Related Experiment Video

Updated: Jun 12, 2025

Microfluidic Bioprinting for Engineering Vascularized Tissues and Organoids
08:22

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3D bioprinting technology and equipment based on microvalve control.

Rihui Kang1,2, Jiaxing Wu1,2, Rong Cheng1,2

  • 1Shanxi Key Laboratory of Micro Nano Sensors & Artificial Intelligence Perception, College of Electronic Information and Optical Engineering, Taiyuan University of Technology, Taiyuan, China.

Biotechnology and Bioengineering
|September 18, 2024
PubMed
Summary

This study introduces a novel microvalve-based 3D bioprinting system for precise biofabrication. The innovative droplet-based method expands the range of usable bioinks for tissue engineering applications.

Keywords:
biofabrication windowbio‐3D printingextrusion bioprintingmicrovalve

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Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Regenerative Medicine

Background:

  • 3D bioprinting is crucial for tissue regeneration and pathological models.
  • Current extrusion-based methods face challenges with conflicting bioink requirements for printability and functionality.

Purpose of the Study:

  • To develop an innovative microvalve-based equipment for droplet-based 3D bioprinting.
  • To overcome limitations of existing biofabrication techniques and expand the range of printable bioinks.

Main Methods:

  • Development of a microvalve-based bioprinting system with pressure control and a 3D motion platform.
  • Utilizing rapid microvalve switching for precise droplet deposition of low-viscosity bio-materials (as low as 10mPa·s).

Main Results:

  • Successful construction of complex 3D structures using a droplet-based method.
  • Demonstrated precise printing of bio-materials with viscosities as low as 10mPa·s, broadening the biofabrication window.

Conclusions:

  • The developed microvalve-based equipment significantly enhances 3D bioprinting capabilities.
  • This technology provides a solid foundation for constructing complex artificial organ tissues and advancing tissue engineering.