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Updated: Jun 27, 2026
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Cell Patterning Using Magnetic-Archimedes Strategy
Published on: February 2, 2024
3D Cell Printing and Manipulation with Magnetic Bioinks.
Sarah Mishriki1, Tamaghna Gupta1,2, Rakesh P Sahu1,3,4
1School of Biomedical Engineering, McMaster University, Hamilton, ON L8S 4L8, Canada.
Biomedicines
|June 26, 2026
Summary
Magnetic bioinks offer a scaffold-free method for contactless 3D cell manipulation and biofabrication. This approach enables precise cell positioning for creating complex biological constructs, advancing tissue engineering and disease modeling.
Area of Science:
- Biotechnology
- Biomaterials Science
- Tissue Engineering
Background:
- Conventional 2D cell cultures lack native tissue complexity.
- Existing 3D bioprinting methods often require scaffolds or complex equipment.
- Precise control over cell positioning is crucial for functional tissue models.
Purpose of the Study:
- To review magnetic bioinks as a versatile platform for contactless 3D cell manipulation.
- To compare label-based and label-free magnetic bioink strategies.
- To highlight applications and limitations of magnetic biofabrication.
Main Methods:
- Exploration of magnetophoresis principles.
- Definition of magnetic bioinks (magnetic agents + biological components).
- Comparison of positive (label-based) and negative (label-free) magnetophoresis for cell manipulation.
Main Results:
- Magnetic bioinks facilitate single-cell sorting, spatial patterning, and spheroid assembly.
- Enabled multilayer tissue formation and hydrogel-integrated printing.
- Demonstrated applications in disease modeling, drug screening, and regenerative medicine.
Conclusions:
- Magnetic bioinks provide a promising scaffold-free method for 3D biofabrication.
- Potential for creating physiologically relevant biological constructs.
- Further research needed on biocompatibility, toxicity, and standardization for clinical translation.
