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Related Experiment Videos

'Living' Inks for 3D Bioprinting.

Leo Hsu1, Xiaocheng Jiang1

  • 1Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA.

Trends in Biotechnology
|May 20, 2019
PubMed
Summary

Researchers developed novel bioactive bioinks for 3D bioprinting. These inks allow precise printing of catalytically active microorganisms, offering high cell density and stable functionality for living systems.

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Area of Science:

  • Biomaterials Engineering
  • Synthetic Biology
  • Microbiology

Background:

  • Bioink formulation is crucial for successful 3D bioprinting.
  • Existing bioinks often face limitations in cell loading and long-term activity.
  • Developing bioactive inks is essential for creating functional living systems.

Purpose of the Study:

  • To introduce a novel bioink formulation for direct writing of catalytically active microorganisms.
  • To achieve unprecedented cell loading and tunable structural properties in printed constructs.
  • To enable the long-term activity of microorganisms within bioprinted materials.

Main Methods:

  • Development of a new bioactive bioink formulation.
  • Utilizing direct writing techniques for precise deposition of microorganisms.
  • Characterization of structural properties and cell viability over time.

Main Results:

  • Demonstrated direct writing of catalytically active microorganisms.
  • Achieved high cell loading capacity within the bioink.
  • Confirmed tunable structural properties and sustained microbial activity.

Conclusions:

  • The developed bioink strategy facilitates the bottom-up design of functional living systems.
  • This breakthrough opens new avenues for integrating active microorganisms into engineered constructs.
  • Enables advanced applications in tissue engineering and biocatalysis.

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