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Oxygen Biosensors and Control in 3D Physiomimetic Experimental Models
Jorge Otero1,2,3, Anna Ulldemolins1, Ramon Farré1,2,3,4
1Unitat de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, 08036 Barcelona, Spain.
Antioxidants (Basel, Switzerland)
|August 27, 2021
Summary
Physiomimetic cell culture models are advancing with 3D bioprinting and organoids. Integrated oxygen biosensors are crucial for controlling oxygen levels and studying hypoxia in these advanced in vitro models.
Area of Science:
- Biomedical Engineering
- Cell Biology
- Physiology
Background:
- Cell culture is shifting towards physiomimetic models to better replicate in vivo conditions.
- Biophysical and biochemical factors significantly influence cell behavior.
- Advancements in 3D bioprinting, organoids, and lab-on-a-chip technologies facilitate the creation of sophisticated in vitro models.
Purpose of the Study:
- To review current advancements in oxygen biosensors and control strategies for 3D physiomimetic cell culture models.
- To highlight the importance of oxygen monitoring and regulation in recreating physiological and pathological cellular environments.
- To address the limitation of oxygen diffusion in 3D cultures.
Main Methods:
- Review of recent literature on oxygen biosensors and their integration into 3D cell culture systems.
- Discussion of bioengineering techniques enabling physiomimetic models.
- Analysis of biosensor capabilities for monitoring oxygen, pH, and cell metabolism.
Main Results:
- 3D bioprinting, organoids, and hydrogels are key technologies for developing tissue-specific models.
- Low oxygen diffusion remains a challenge in 3D cell cultures.
- Integrated biosensors offer a promising solution for monitoring and controlling oxygen levels, aiding in the study of hypoxia.
Conclusions:
- Oxygen biosensors are vital for improving the accuracy and control of 3D physiomimetic in vitro models.
- These technologies support the study of cellular responses to varying oxygen conditions, including hypoxia.
- Further research in oxygen control is essential for regenerative medicine and tissue engineering.
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