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Updated: Jan 25, 2026

3D Printing of In Vitro Hydrogel Microcarriers by Alternating Viscous-Inertial Force Jetting
Published on: April 21, 2021
Shaped 3D microcarriers for adherent cell culture and analysis
Chueh-Yu Wu1,2,3,4, Daniel Stoecklein5, Aditya Kommajosula5
11Department of Bioengineering, University of California, Los Angeles, CA USA.
We developed 3D hydrogel microcarriers for adherent cell culture and in-flow processing. These microcarriers protect cells from shear stress, enabling analysis and sorting in a single format.
Area of Science:
- Biotechnology
- Cell Biology
- Materials Science
Background:
- Standard tissue culture poorly replicates in vivo physiology.
- Processing cells in suspension for analysis alters protein expression and cell connections.
Purpose of the Study:
- To develop a novel microcarrier system for adherent cell culture and in-flow processing.
- To mitigate shear stress-induced cell damage during liquid handling.
Main Methods:
- Engineered 3D-shaped hydrogel microcarriers with recessed nooks and dumbbell shapes.
- Utilized a genetic algorithm for microcarrier design.
- Employed transient liquid molding optofluidics for scalable manufacturing.
Main Results:
- Microcarriers provide tunable shear-stress shelter for cell growth.
- Dumbbell shape facilitates self-alignment in confined flow for processing and imaging.
- Method enables rapid design and scalable manufacturing of microcarriers.
Conclusions:
- The novel microcarriers address challenges in adherent cell handling and processing.
- This technology enables in-flow analysis and sorting of adherent cells in a single format.
- Poised to advance cell culture and analysis techniques.
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