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Updated: Oct 21, 2025

Fabrication and Operation of an Oxygen Insert for Adherent Cellular Cultures
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Methods for fabricating oxygen releasing biomaterials.

Ahmet Erdem1, Reihaneh Haghniaz2, Yavuz Nuri Ertas3,4

  • 1Department of Biomedical Engineering, Kocaeli University, Kocaeli, Turkey.

Journal of Drug Targeting
|September 6, 2021
PubMed
Summary

Oxygen-generating materials are crucial for engineered tissues. This review details fabrication methods and characterization techniques for oxygen-releasing materials to prevent tissue necrosis and improve survival.

Keywords:
3D bioprintingbiomaterialoxygen generatingtissue engineering

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Regenerative Medicine

Background:

  • Engineered tissue constructs require a sustained oxygen supply for survival during vascularization.
  • Lack of oxygen (hypoxia) leads to necrosis in large tissue constructs.
  • Oxygen-generating materials offer a promising solution to overcome oxygen supply limitations.

Purpose of the Study:

  • To review various fabrication methods for oxygen-generating materials.
  • To discuss the characterization techniques for these materials.
  • To highlight challenges and future directions in the field.

Main Methods:

  • Fabrication methods reviewed include emulsion, microfluidics, solvent casting, freeze drying, electrospraying, gelation, and 3D bioprinting.
  • Physical, chemical, and biological characterization techniques are discussed.
  • Pros and cons of each fabrication method are analyzed.

Main Results:

  • Multiple fabrication techniques exist for oxygen-generating materials, each with specific advantages and disadvantages.
  • Comprehensive characterization is essential to evaluate material performance.
  • The field is advancing towards controlled oxygen release for enhanced tissue survival.

Conclusions:

  • Oxygen-generating materials are vital for the success of engineered tissues.
  • A variety of fabrication and characterization methods are available, with ongoing development.
  • Future research should focus on optimizing oxygen release profiles and clinical translation.